All UK Slot Bonuses for 2024 (316 Active Offers)

Luck.com Casino logo
Featured

DEPOSIT £10 GET UP TO 100 FREE SPINS

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Exclusive

New casino

3.5

kingcasinobonus

Min. Deposit

£5

Wagering

35x W

Max. Cashout

£100

Slot Games

50

  • Up to 100 registration spins
  • 1st deposit: Up to 100 spins
  • 2nd deposit: 50% up to £100
  • 3rd deposit: Up to 25 spins
Bonus Policy

To claim each deposit bonus, deposit £10 or more. The funds and spin winnings must be wagered 35 times to complete the requirement. You can cash out £100 for the deposit bonuses.

Pros and Cons

Pros

  • The 35x wagering requirement is low
  • High number of spins

Cons

  • A low maximum cashout
Bonus Verdict

This Luck.com Casino welcome bonus is a great fit for inexperienced players, because of the low wagering requirements. Punters also get a high number of 225 spins to try out on slots, which is quite rare.

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Bonus Codes
18+. Available for new registered accounts only. Up to 100 Free Spins (FS) for the 1st dep of min £10. 50% Bonus up to £100 for the 2nd dep of min £10, received in as an instant Bonus format. up to 25 Free Spins (FS) for a 3rd dep of £10+. FS value: 10p. Wheel of Fortune (WOF) will appear as a pop-up. Available to claim for 7 days. Prize not guaranteed. Prizes and wins from free spins are credited to your Bonus Account, and available for 7 days. 35x wagering. Max win post Wagering: £100 per deposit bonus. Players who fail to select the bonus upon deposit are not eligible. T&Cs Apply. BeGambleAware.org T&C Apply, 18+
Lottoland Casino logo
Featured

STAKE £10 ON BIG BASS BONANZA & GET 50 FREE SPINS

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Exclusive

4.1

kingcasinobonus

Min. Deposit

£5

Wagering

No wagering

Max. Cashout

N/A

Slot Games

1961

Bonus Details

The new player bonus of Lottoland Casino features no wagering requirements and states no cashout limit. The amount of bonus spins you will receive is 50.

These are the steps you should follow to claim the welcome offer:

  1. Create your Lottoland account via our link
  2. Deposit a minimum of £10 through the Cashier
  3. Wager at least £10 on Big Bass Bonanza
  4. The 50 wager-free spins will instantly become available
  5. Continue spinning the reels on Big Bass Bonanza
Pros & Cons

Pros

  • The promotion has no rollover conditions
  • There is no cashout limit stated

Cons

  • The bonus rounds are available on a single game
Bonus Verdict

The welcome bonus of Lottoland provides a compelling reward for a good minimum deposit of £10. You will be able to spin the reels of a very popular slot 50 times without having to worry about any playthrough requirements.

Rate this Bonus
New customers only, register, deposit and stake £10 on Big Bass Bonanza within 7 days, and claim 50 Free spins on Big Bass Bonanza. Free spins expire 30 days after credited. Ends 30/06/24 at 23:59 GMT. begambleaware.org. T&C Apply, 18+
Monopoly Casino logo
Claim

Exclusive

4.1

kingcasinobonus

Min. Deposit

£10

Wagering

No wagering

Max. Cashout

N/A

Slot Games

1300

Join Monopoly Casino, deposit and wager £10 to get 30 spins.

Rules of the Bonus

Only newly registered players at this casino can make the £10 minimum deposit to claim this bonus.  This bonus will be fully activated once you completely wager the £10 deposit on any game on the platform. Afterwards, you will get 30 free spins with no wagering requirements on Monopoly Paradise Mansion. In total, the 30 days expiry time starts once you make the first deposit.

Pros & Cons

Pros

  • No wagering requirements attached
  • 30 days expiry time is long for such a bonus

Cons

  • You must opt in to receive the spins
Bonus Verdict

All new players will find this bonus suitable since they can receive 30 spins for a standard deposit. The value of each free spins is low and the fact that there are no wagering conditions allows players to cash out what they won.

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Bonus Codes
New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Free Spins: on MONOPOLY Paradise Mansion. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. T&C Apply, 18+
MadSlots Casino logo
Featured

UP TO £200 BONUS + UP TO 200 FREE SPINS

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Exclusive

New casino

3.6

kingcasinobonus

Min. Deposit

£5

Wagering

30x B/30x W

Max. Cashout

£100

Slot Games

1000

  • Up to 100 Big Bass Splash registration spins
  • 1st deposit: 100% up to £200
  • 2nd deposit: Up to 100 Book of Dead spins
  • 3rd deposit: Up to 100 Scroll of Dead Spins
Bonus Policy

Each bonus can be claimed with a minimum deposit of £10. The bonus funds and spin winnings must be wagered 30 times before being able to convert the bonus funds. The maximum cashout amount for each deposit bonus is £100.

Keep in mind that the spins can only be used on the selected slots: Big Bass Splash and Book of Dead.

Pros and Cons

Pros

  • Low wagering requirement for both spins and funds
  • The selected slots are popular with UK players

Cons

  • Maximum cashout of £100 for each deposit bonus
Bonus Verdict

MadSlots Casino offers a welcome package with bonus funds and a high number of 200 spins, which is great for slots fans. The wagering requirements are low and easy to complete. Keep in mind that the maximum cashout amount is £100 for each deposit bonus.

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Bonus Codes
18+. Available for new registered accounts only. 100% Bonus up to £200 for the 1st dep of min £10, received in as an instant Bonus format. Up to 100 Free Spins (FS) for a 2nd dep of £10+. Up to 100 FS for the 3rd dep of £10+.FS value: 10p. Wheel of Fortune (WOF) will appear as a pop-up. Available to claim for 7 days. Prize not guaranteed. Prizes and wins from free spins are credited to your Bonus Account, and available for 7 days. 30x wagering. Max win post Wagering: £100per deposit bonus. Players who fail to select the bonus upon deposit are not eligible. T&Cs Apply. BeGambleAware.org T&C Apply, 18+
Bally Casino logo
Featured

DEPOSIT £10 GET 30 NO WAGERING SPINS

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Exclusive

New casino

3.8

kingcasinobonus

Min. Deposit

£10

Wagering

No wagering

Max. Cashout

No limit stated

Slot Games

430

Bonus Policy

To claim the spins, you must deposit £10, and then wager the amount on any game of your choice. Your spins will be added automatically once you wager the deposit.

You can only use them on Secrets of the Phoenix Megaways, and there are no wagering requirements.

Pros and Cons

Pros

  • No wagering requirements for the spin winnings
  • The minimum deposit of £10 is reasonable

Cons

  • You can only play Secrets of the Phoenix using the spins
Bonus Verdict

This promotion is a great choice for the more inexperienced players. There are no wagering requirements, which is quite rare. It is important to keep in mind the deposit must be wagered in order to receive the spins.

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Bonus Codes
New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on Secrets of the Phoenix Megaways. Spins value: 20p each. Game availability & restrictions apply T&C Apply, 18+
Virgin Games Casino logo
Claim

Exclusive

4.4

kingcasinobonus

Min. Deposit

£10

Wagering

No wagering

Max. Cashout

N/A

Slot Games

960

Make the suitable deposit to qualify for the 30 spins.

Rules of the Promotion

A minimum £10 deposit is necessary to claim this bonus. Afterwards, you will have to choose the 30 free spins option and stake the deposit to qualify. No wagering requirements are attached to the bonus, but each player has to use their deposit before the spins are granted. The maximum use time is of 30 days.

Pros & Cons

Pros

  • No wagering conditions attached
  • Enough time to claim the offer
  • You can stake the deposit on any game

Cons

  • You must opt in and manually select the offer
Bonus Verdict

The no wagering conditions and the 30 day expiration time makes this bonus suitable for new players who play slots. There are some staking conditions to qualify, but players can meet these on any game.

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Bonus Codes
New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. Current Jackpots are across selected games. T&C Apply, 18+
MrQ Casino logo

Copy:

BASSM30

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Exclusive

4.1

kingcasinobonus

Min. Deposit

£10

Wagering

no wagering

Max. Cashout

no limits

Slot Games

800

Deposit and bet £10 to receive 30 no-wagering spins.

Details on the bonus

To get the bonus, you have to first create an account, verify it, and then deposit at least £10 with the code BASSM30. Afterwards, you have to bet the deposit to get the 30 no-wagering spins. The spins are available only on Big Bass Bonanza Megaways and each spin is worth £0.20.

Furthemore, you have to use the deposit in 12 hours, and the spins have in 48 hours.

Pros & Cons

Pros:

  • No wagering requirements
  • 48 hours expiration time

Cons:

  • Only available on one slot
Bonus Verdict

All in all, this bonus is great for those that like to keep any generated funds immediately from spins, rather than having to wager them. But, UK players should keep in mind that they are available only on one game, which is Big Bass Bonanza Megaways.

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Bonus Codes
First deposit only. Min deposit & spend £10. Max 30 spins on Big Bass Bonanza Megaways at 20p per spin. Spins credited upon spend of £10 T&C Apply, 18+
Casushi Casino logo
Claim

Exclusive

New casino

4.1

kingcasinobonus

Min. Deposit

£10

Wagering

40x B/ 40x W

Max. Cashout

£250/N/A

Slot Games

750

  • 100% up to £50 bonus
  • 50 extra spins on Book of Dead
Bonus Terms

You will be eligible for the promotion once you have made the first deposit of £10. The spins won’t be credited to you right away. The 50 spins will be credited over three days: 30 spins instantly, 10 spins after 24 hours, and the last 10 spins after 48 hours.

The extra spins must be played within 48 hours, and the bonus funds are available for 30 days. Spins only work on the Book of Dead and are worth £0.1 each. Before withdrawing, the bonus and the spins must be wagered 40 times.

Pros and Cons

Pros

  • 30 days expiration date for the bonus funds is high
  • No maximum cashout limit

Cons

  • Skrill and Neteller deposits are not accepted
Bonus Verdict

For a minimum deposit of £10, this promotion is great for any new player who wants to check out the casino’s game selection. Gamblers have plenty of time to place bets and fulfil the wagering requirements because the bonus expires in 30 days.

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Bonus Codes
New players only. Min £10 deposit & wager. Free spins on Book of Dead (30 spins on day 1, 10 on day 2, 10 on day 3) 1p coin size. 40x wagering applies. Max cash out £250. Bonus expires 30 days. Bonus spins expiry 2 days. Game restrictions apply. T&C Apply, 18+
Planet Sport Bet Casino logo
Featured

GET 50 BONUS ROUNDS ON STARBURST

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Exclusive

4.0

kingcasinobonus

Min. Deposit

£1

Wagering

10x W

Max. Cashout

N/A

Slot Games

650

Bonus Policy

Create a new account and claim the welcome offer. Deposit at least £20 and wager them on slots on the same day to receive the bonus rounds. Each spin is worth £0.1 and must be used only on the Starburst slot game. Ensure you complete the 10x wagering requirement for the spins within seven days’ expiry time.

Pros & Cons

Pros:

  • You get to play on Starburst, one of the most popular slot games
  • 10x wagering requirement is low

Cons:

  • The £20 minimum deposit is on the higher end
Bonus Verdict

British players who want to try out the popular Starburst slot might find this offer suitable. Moreover, the 10x wagering requirement is one of the lowest in the industry.

Rate this Bonus
New customers only. Min Deposit £20. Wager £20 minimum on slots and get 50 free spins on Starburst. Free spins will expire 7 days after issue. x10 wagering on Free spins. BeGambleAware.org. Bet The Responsible Way. T&C Apply, 18+
mail

Only by email

4.8

kingcasinobonus

GET 100 FREE SPINS NO DEPOSIT - Only By Email

This offer is available only by subscribing.

Your e-mail will not be shared with any third parties. By adding your e-mail you agree to receive daily casino promotions, and this will be the sole purpose it will be used for.

Betfred Casino logo
Claim

Exclusive

3.9

kingcasinobonus

Min. Deposit

£5

Wagering

No wagering

Max. Cashout

N/A

Slot Games

1000

Create an account with Betfred Casino. Then, make a deposit and wager it once, and you can choose from:

  • 50 Free Spins on Age Of The Gods, worth £0.20 per spin,
  • 100 Free Spins on Better Wilds, worth £0.10 per spin,
  • 200 Free Spins on Age Of The Gods: God of Storms 2, worth £0.05 per spin.
Bonus Policy

To be eligible for this promotion, deposit at least £10 and wager the amount on slots within 7 days after registration. You must choose 1 of the 3 offers and claim it manually. The no wagering spins will be valid for 7 days after redeeming.

The funds will be transferred to your cash balance and can be withdrawn after using the spins. Deposits made with prepaid cards and e-wallets do not qualify for the offer.

Pros and Cons

Pros

  • You have the freedom to choose from 3 separate offers, based on the slot you’d like to play and the value per spin
  • The spins do not have a wagering requirement, which is a rather rare occurrence

Cons

  • To qualify for this offer, you have only 7 days to deposit £10 and wager the amount on slots, which is time restrictive
  • The offer cannot be claimed with e-wallets and prepaid cards

 

Bonus Verdict

Slots enthusiasts might want to redeem this promotion, because they can get an impressive number of up to 200 spins for only £10. Moreover, the spins are wager-free, which makes this offer worthwhile.

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Bonus Codes
New Casino customers only. £/€10 min transfer & stake on Casino slots within 7 days. Max bonus 200 Free Spins on selected games. Free Spins expire after 7 days. iOS app restrictions may apply. E-Wallet & Pre-Paid card restrictions apply. SMS validation may apply. Not available in NI T&C Apply, 18+
Playsunny Casino logo
Claim

Exclusive

New casino

4.0

kingcasinobonus

Min. Deposit

£10

Wagering

40x B/40x W

Max. Cashout

£250

Slot Games

1450

Sign up for an account with Playsunny Casino and make your first deposit. You will then be eligible for 100% up to £50 and 50 spins on Big Bass Bonanza.

Bonus Rules

Deposit £10 or more to claim the promotion. To be able to cashout the maximum of £250, you must complete the 40x wagering. Make sure to do so within 30 days, and to use the spins within 48 hours.

Pros and Cons

Pros 

  • The maximum cashout of £250 is generous, especially when you take into consideration the maximum bonus value of up to £50
  • The bonus will be valid for 30 days in which you have plenty of time to complete the wagering

Cons

  • The wagering requirement of 40x might be considered high by some players
Bonus Verdict

New and inexperienced players may want to redeem this promotion, as it has a low minimum deposit, and a high maximum cashout.

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Bonus Codes
18+. New players only. Min £10 deposit & wager. Free spins on Big Bass Bonanza 1p coin size. 40x wagering applies. Max cash out £250. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. T&C Apply, 18+
Winomania Casino logo

Copy:

WINO100

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Exclusive

4.3

kingcasinobonus

Min. Deposit

£10

Wagering

40x B/40x W

Max. Cashout

N/A

Slot Games

600

  • 100% up to £100
  • 100 bonus spins
Bonus Details

Deposit more than £10 with the code WINO100 to redeem this offer. The bonus funds and the spin winnings come with a 40x wagering requirement.

Don’t forget that the spins expire within 24 hours. Also, they can only be used on these preselected games: Cleopatra, Gold Rush, Wild Eagle and Scratch King.

Pros and Cons

Pros

  • You will obtain 100 spins, which is a large number compared to the amount you deposit
  • You can use the bonus on several games, including 4 popular slots

Cons

  • You only have 24 hours to use the spins, otherwise they will expire
Bonus Verdict

New punters may find this promotion suitable as it offers both bonus funds and spins that can be played on 4 popular slots. Yet, the fact that the spins expire within 24 hours is a short time for players to use them all.

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Bonus Codes
1st deposit only. Min deposit £10. Max bonus: £100. X40 wagering. Bonus Spins valid for selected games only. X40 wagering on bonus spins winnings. Expire within 24 Hours T&C Apply, 18+
mr.play Casino logo
Featured

200% UP TO £40 + 75 SPINS

Exclusive

3.9

kingcasinobonus

Min. Deposit

£10

Wagering

35x B/35x W

Max. Cashout

N/A

Slot Games

1000

  • 200% up to £40
  • 75 bonus spins
Information on the Bonus

Create a new account and deposit more than £10 to receive this bonus. Besides the max bonus of £40, you get 75 spins in batches of 25 for three days to play on Book of Dead, Starburst and Twin Spin.

Before you request the cashout, you have 7 days to complete the wagering conditions of 35x and 24 hours to use the spins. Keep in mind that you cannot place single bets surpassing £4 or £0.50 per line.

Pros and Cons

Pros

  • The spins are credited in pairs of 25 for three days, a UKGC initiative as a responsible gambling tool
  • You get to play on high payout games that have over 96%

Cons

  • The bonus amount you receive is quite low
Bonus Verdict

This offer is great for new players as it allows them to try out multiple game types, along with some of the industry’s most popular slots.

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Bonus Codes
Min. deposit: ₤10. Max. bonus: ₤40. Offer valid on first deposit. The offer expires in 7 days. Offer only applies to new players, aged 18+. Unused spins expire 24hrs after being issued. Spins are on several of our best paying games as follows: 25 games on Book of Dead and 200% bonus upon first deposit. More spins are given upon login on the 2nd day - 25 spins on Starburst and on the 3rd day after the first deposit - 25 spins on Twin Spin. Winnings won with spins that require a deposit have to be wagered x35. Bonuses that require deposit have to be wagered x35
Kwiff Casino logo
Featured

200 NO WAGERING SPINS ON BOOK OF DEAD

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Exclusive

4.0

kingcasinobonus

Min. Deposit

£5

Wagering

No wagering

Max. Cashout

£250

Slot Games

250

Upon making your first deposit, you will be granted 200 no wagering spins on Book of Dead.

Promotional Details

To be eligible for this promotion and receive the no wagering spins, you must log into your new account and deposit at least £20.

You have five days from the date of your qualifying deposit to stake and withdraw up to £250 in real money. Note that the only available game is Book of Dead.

Pros and Cons

Pros

  • The no wagering feature on such an offer is quite rare
  • You get to cash out up to £250 after using the spins

Cons 

  • Low variety of games, as only Book of Dead is available
Bonus Verdict

This bonus is ideal for British players who want to cash out immediately after using the offer as it comes with no wagering requirements. Moreover, the maximum withdrawal is also very permissive.

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Bonus Codes
New customers only. £/€20 stake on slots each day within 5 days of 1st deposit to qualify. £0.1 Spins on Book of Dead. £/€250 total max withdrawal T&C Apply, 18+
Dragonbet logo
Featured

DEPOSIT £10 GET 20 NO WAGERING SPINS ON BIG BASS SPLASH

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bigbassspins

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Exclusive

3.8

kingcasinobonus

Min. Deposit

£1

Wagering

No wagering

Max. Cashout

No limit stated

Slot Games

175

Bonus Details

To claim the welcome bonus of Dragonbet Casino, you need to create an account with the promo code bigbassspins. After verifying your information, you must deposit at least £10 to redeem the extra rounds.

They have a value of £0.10 each and can be used within 7 days after you claim them. The promotion comes with no wagering requirements and there is no cashout limit stated.

Pros & Cons

Pros

  • No rollover requirements
  • Great validity period of 7 days

Cons

  • You can only use the promotion on Big Bass Splash
Bonus Verdict

We consider the welcome bonus of Dragonbet a great choice for most British gamblers due to the lack of wagering conditions and the long time you have to use the offer. There are no major downsides with the exception of being restricted to a single game.

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Min £10 Deposit to Qualify T&C's Apply T&C Apply, 18+
Fitzdares Casino logo
Featured

100% UP TO £100 FIRST DEPOSIT BONUS

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Exclusive

4.0

kingcasinobonus

Min. Deposit

£10

Wagering

First Deposit Bonus: 40x Bonus

Max. Cashout

First Deposit Bonus: £500

Slot Games

1127

Bonus Details

New players of Fitzdares Casino can claim a welcome bonus with their first deposit of over £10. You will receive a 100% match up to £100 after you wager £20 on any slot game on the website.

While playing with this promotion, you can use a max bet of £25. The wagering requirements attached to the funds are 40x the bonus amount, after fulfilling them, you can cash out up to £500. The bonus funds are restricted to specific games, including Big Bass Bonanza, Break da Bank Again, and others.

Pros & Cons

Pros

  • Great max bet allowed of £25
  • Great cashout cap of £500
  • Good wagering requirement of 40x

Cons

  • The promotion cannot be used on any game
  • Only 7 days to complete the rollover conditions
Bonus Verdict

The welcome bonus of Fitzdares is a great choice for most British players due to the great conditions, including the 40x wagering and the high cashout cap of £500. However, you won’t be able to play any game you want using this deal, so this might not be the best option if you want to explore the casino without any limitations.

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New customers only aged 18+. Minimum deposit £10. Get a Casino Bonus matched to your first deposit, up to £100, after you stake £20 on slots, credited within 48 hours. Bonus expires in 7 days and has a 40x wagering requirement. Please bet responsibly. T&C Apply, 18+
Bzeebet Casino logo
Featured

100% UP TO £100 + 100 BONUS SPINS ON BIG BASS BONANZA

Claim

Exclusive

New casino

3.9

kingcasinobonus

Min. Deposit

£10

Wagering

35x B+D/35x W

Max. Cashout

N/A

Slot Games

1200

Bonus Policy

To qualify for this welcome bonus, you must deposit £20 or more. Then, you must wager the bonus funds and deposit amount 35 times within 14 days to complete the requirement. The maximum wager you can place with the funds is capped at £4.

The spins have a 24-hour validity period, in which you must wager the winnings 35 times. Be aware of the fact that bets are capped at £2.50 for those who deposit using Skrill, Neteller, and PayPal.

Pros and Cons

Pros

  • Reasonable 35x winnings wagering requirement for the spins
  • The spins are valid on Big Bass Bonanza, which is a popular slot

Cons

  • The qualifying deposit of £20 is quite high
  • The spins are only valid for 24 hours
Bonus Verdict

This first deposit bonus is decent, and it offers players a good combination of funds and plenty of spins on a popular slot among British punters. It is important to note that the minimum deposit is on the higher side, and those who deposit using Skrill or PayPal will be met with some restrictions.

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New Players Only. Min Dep £20. Offer: 100% of 1st deposit up to £100 + 100 Spins on Big Bass Bonanza. Spins expire after 23:59 GMT on day they are credited. Spins winnings credited as bonus, separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Bonus funds expire after 21 days. Affordability checks apply T&C Apply, 18+
Jackpotjoy Casino logo
Featured

WAGER £10 GET 30 NO WAGERING SPINS

Claim

Exclusive

4.1

kingcasinobonus

Min. Deposit

£10

Wagering

1x D

Max. Cashout

No limit

Slot Games

750

Promotional Details

To claim this promotion, deposit £10. You will then have to wager the deposit on any game of your choice to unlock the spins. After that, any winnings from the spins will go to your cash balance.

Pros & Cons

Pros

  • No wagering on the spin winnings
  • The minimum deposit of £10 is reasonable

Cons

  • The spins can only be used on Double Bubble
Bonus Verdict

This promotion is a good option for slots fans, as they can get a fair amount of 30 spins on a selected slot. There are no wagering requirements for the spin winnings, but you must wager your £10 deposit once to receive the spins.

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New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. T&C Apply, 18+
LeoVegas Casino logo

Exclusive

4.0

kingcasinobonus

Min. Deposit

£10

Wagering

35x D/no wagering

Max. Cashout

N/A

Slot Games

1300

  • 1st deposit: 100% up to £50 + 25 spins
  • 2nd deposit: 100% up to £50 + 25 spins
Promotional Information

You must opt in for this offer and deposit more than £10 to become eligible. Remember that you have 7 days to deposit and you must wager the funds 35x times to unlock the bonus. The spins will be granted on Big Bass Splash and they expire within 3 days.

Pros and Cons

Pros:

  • You have plenty of time to decide if you want to claim the offer within 7 days and wager your deposit within another 7
  • The 35x wagering is lower than the industry average

Cons:

  • The bonus spins can only be claimed on Big Bass Splash, so there’s not much diversity
Bonus Verdict

Those who want to try out the industry’s most popular game for free and also explore the casino’s game offering even further with a welcome package will find this promotion worthwhile.

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Bonus Codes
New reg only. Opt in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-free spins x10p to added to Big Bass Splash with each qualifying deposit, 3 day expiry.
Fafabet Casino logo
Featured

100% BONUS MATCH UP TO £200

Claim

Exclusive

3.8

kingcasinobonus

Min. Deposit

£20

Wagering

35x B

Max. Cashout

£250

Slot Games

508

Bonus Details

The welcome offer of Fafabet requires you to deposit at least £20 to claim it. You will have to complete a wagering requirement of 35x the bonus amount to cash out up to £250 from this deal.

The maximum bet you can place with this promotion active is £5.

Pros & Cons

Pros

  • Good rollover requirement of 35x
  • Good cashout limit of £250

Cons

  • High minimum deposit of £20
Bonus Verdict

The Fafabet welcome offer is a great option for most British punters due to the favourable wagering and cashout conditions. However, the minimum deposit requirement of £20 might not be suitable for beginners or low rollers.

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New customer only, deposit and stake £20 or more in Fafabet Casino Get a Casino bonus up to £200! UK T&C Apply, 18+
Pink Casino logo
Claim

Exclusive

4.0

kingcasinobonus

Min. Deposit

£10

Wagering

35x D/ No wagering

Max. Cashout

N/A

Slot Games

578

  • 100% deposit match upwards of £150
  • 50 free spins
Details on the Bonus

This bonus is exclusive to newly registered and verified accounts. The bonus can be activated by depositing £10, and must be done so in the first 7 days of being registered. The match bonus and the spins will be given once the deposit is wagered 35 times on slots. The spins can be played only on Big Bass Splash, with £0.10 per spin. Also, all spins earnings are paid in cash. It’s also possible to make multiple deposits in order to meet the wagering requirements.

Pros & Cons

Pros

  • There are no wagering requirements for the spins
  • Live casino stakes contribute 30%

Cons

  • Bonus is given only when the deposit is fully wagered
Bonus Verdict

This bonus is suitable for all types of casino players. While it may be seen as a downside that the deposit must be wagered first, the spins and match bonus will all be paid in cash, which means no wagering requirements on the actual bonus itself.

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Bonus Codes
New player only. 7 days to claim offer and deposit a min of £10 with a further 7 days to wager 35x. Cash stakes only and wagering contributions vary. Max reward £150. 50 wager-free spins 0.10p each on Big Bass Splash awarded after wagering complete, winnings paid as cash. 3 day expiry. T&C Apply, 18+
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100MEGA

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4.0

kingcasinobonus

Min. Deposit

£10

Wagering

60x W

Max. Cashout

N/A

Slot Games

5000

Bonus Details & How to Claim

After creating your account, deposit at least £10 to redeem your 100 extra spins. Remember to use the 100MEGA promo code to be eligible for the offer. The spins are available on Book of Dead and are valued at £0.1 each.

Before withdrawal, you must wager your spins generated value 60 times. The offer is available for 30 days.

Pros & Cons

Pros:

  • A high number of 100 extra spins.
  • Spins are available on Book of Dead, a popular game from Play’N Go.
  • Long validity period of 30 days.

Cons:

  • The 60x wagering requirement is significantly high.
  • Spins have a low value of  £0.1 each.
Bonus Verdict

The promotion provides a significant number of 100 Book of Dead spins for a reasonable deposit of £10. The 60x rollover condition, though, may represent a disadvantage for beginner players, but it still allows them to browse the available slot collection and improve their gameplay.

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Bonus Codes
First Deposit Only. Min. deposit: £10. Game: Book of Dead, Spin Value: £0.1. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used before using deposited funds. Bonuses do not prevent withdrawing deposit balance. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos.Bonus Policy applies. T&C Apply, 18+
BetUK Casino logo
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Exclusive

4.0

kingcasinobonus

Min. Deposit

£10

Wagering

35xD/ no wagering

Max. Cashout

N/A

Slot Games

1309

  • 1s deposit: up to £50 bonus + 5 no wagering spins.
  • 2nd deposit: up to £50 bonus + 5 no wagering spins.
Bonus Terms

To be eligible for the welcome promotion, you must deposit at least £10. Your deposit defines the bonus amount. For instance, you will receive a £25 bonus if your deposit is between £25 and £49. The second deposit offer is subject to the same rules.

Before you receive the bonus money, you must wager your deposit 35 times. You will also get 10 Big Bass Splash spins, equally distributed between your two deposits. The value of each spin is £0.10.

Before withdrawal, you do not have to wager the spins generated value. The promotion is available for seven days.

Pros & Cons

Pros:

  • The selected slot game has a payout rate of over 96%.
  • Gamblers do not have to roll over their generated value from spins.

Cons:

  • Depositing £24 or less and £49 or less will give your a £10 or a £25 bonus.
  • The promotion expires after seven days.
Bonus Verdict

Players do not receive a match promotion here. Instead, they can receive a bonus of £10, £25 or £50 based on a deposit range. The no-wagering spins are a plus in our book but you receive only five for each of the two deposits.

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Bonus Codes
New players only across two deposits. Rewards have 7 days from registration to opt-in from “My Promotions” page & each with 7 days wagering. Deposit £10, £25 or £50 & wager 35x. Only cash stakes qualify & wagering contributions vary. 5 free spins worth £0.10 to be claimed within Big Bass Splash with each qualifying deposit, 3 day expiry. T&C Apply, 18+
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Featured

DEPOSIT AND GET 75 BONUS SPINS ON BONANZA

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4.0

kingcasinobonus

Min. Deposit

£20

Wagering

10x W

Max. Cashout

N/A

Slot Games

600

You can redeem 75 on deposit bonus spins on Bonanza.

Bonus Spins Details

To redeem the offer, use the code casino75. Players must make a deposit and wager minimum £25 within 24 hours from sign-up to claim the extra spins. Winnings must be wagered 10 times before being able to withdraw. The bet value is set at £0.10 per spin.

Pros and Cons

Pros:

  • Low wagering requirements of 10x the spin winnings, compared to the standard 40x
  • You can play any games to meet the wagering requirements, there are no restrictions

Cons:

  • The £25 minimum deposit might be too high for some players
Bonus Verdict

Even though this promotion has a relatively high deposit requirement of £25, it is an excellent choice for players that prefer low playthrough requirements. You only need to wager the winnings you obtain 10 times to cash out your winnings.

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Bonus Codes
New customers only. Min Deposit £25. Wager £25 minimum on slots and get 75 free spins on Bonanza. Free spins will expire 7 days after issue. x10 wagering on Free spins. BeGambleAware.org. Bet The Responsible Way. T&C Apply, 18+
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Exclusive

4.0

kingcasinobonus

Min. Deposit

£1

Wagering

50xD+B

Max. Cashout

£500

Slot Games

2005

Join the casino and make a first deposit of at least £10 to receive 100% up to £100 and 20 Free Spins on Big Bass Bonanza

Bonus Rules

Make a minimum deposit of £10 to acquire this promotion. The game bonus must fulfil a 50x rollover requirement. You can withdraw up to £500 after completing the bonus wagering.

While the promotion is active, you can place wagers between £0.1 and £5. The offer is available for seven days.

Pros & Cons

Pros:

  • High max cashout cap of £1000.

Cons:

  • You have only 7 days to meet the wagering requirements.
  • High wagering requirements of 50x.
Bonus Verdict

Gamblers will find not find this average bonus interesting since it comes with high wagering requirements that expire after only 7 days.

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Bonus Codes
£10 min deposit. £100 max match. 50x wagering on Bonus + Free Spins winnings. Free Spins must be used to reveal Playthrough. Game eligibility & contributions vary. 10p to £5 bet range. £500 max redemption. New players only. Exclusive to select customers. Limited time offer. Valid 7 days. 18+ begambleaware.org. Further T&C's apply. T&C Apply, 18+
FruitKings Casino logo
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Exclusive

3.8

kingcasinobonus

Min. Deposit

£10

Wagering

40x B/40x W

Max. Cashout

£500

Slot Games

1000

  • 100% up to £50
  • 100 bonus spins
Bonus Requirements

Deposit more than £10 to redeem this offer. The bonus and spin winnings should be wagered 40 times before being able to cash out.

You will receive 50 spins right after the first deposit and the other sets of 25 on the second and third day. Also, they expire within 48 hours of being claimed. The maximum cashout for each individual bonus is £250.

Pros and Cons

Pros

  • The spins will be granted in sets over 3 days, which encourages responsible gambling
  • The maximum cashout of £250 per bonus is very permissive, as you can withdraw up to £500 in total

Cons

  • The spins can only be played on Book of Dead, so there isn’t much gaming diversity
Bonus Verdict

This bonus allows players to try out the popular Book of Dead slot, along with several other games. Besides this, it is worthwhile due to its high maximum cashout.

Rate this Bonus
Bonus Codes
New players only. Min £10 deposit & wager. Free spins on Book of Dead (50 spins on day 1, 25 on day 2, 25 on day 3) 1p coin size. 40x wagering applies. Max cash out £250. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. Further Terms Apply. T&C Apply, 18+
Slots Royale Casino logo
Featured

UP TO 500 FREE SPINS ON BIG BASS SPLASH

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Exclusive

Just added

New casino

4.3

kingcasinobonus

Min. Deposit

£5

Wagering

65x W

Max. Cashout

£250

Slot Games

2000

Bonus Policy

At Slots Royale Casino, new members can make a minimum £10 deposit, spin the Mega Reel, and receive up to 500 free spins on Big Bass Splash.

The value of one spin is £0.10. The spins are available for 7 days. You can withdraw up to £250 after meeting the 65X winnings rollover conditions.

Pros and Cons

Pros

  • A high number of 500 spins
  • The spins are available on a popular Pragmatic Play game
  • Reasonable withdrawal amount of £250

Cons

  • High wagering requirements
  • You cannot use the spins on more than one game.
Bonus Verdict

Slots Royale Casino’s welcome offer is worthwhile, especially if you’re a seasoned player looking to access a popular Pragmatic Play game. New punters can also check out this offer since the deposit and the cashout amount are decent. The only downside that makes this promotion suitable for veteran gamblers is the high playthrough requirements.

Rate this Bonus
New players only, £10+ fund, free spins won via Mega Reel, 65x bonus wagering req, max bonus conversion to real funds equal to lifetime deposits (up to £250) T&C Apply, 18+
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3.1

kingcasinobonus

Min. Deposit

£10

Wagering

35x B/35x W

Max. Cashout

£100+bonus/£10

Slot Games

300

Bonus Details

New players of Electric Spins casino can use the promo code: SPINIT on their first deposit over £10 to receive a 200% match up to £20 and 100 Free Spins on Fluffy Favourites. 

To cash out a maximum of £100 + the bonus amount, you need to meet a wagering requirement of 35x bonus and 35x winnings for the spins.

Pros & Cons

Pros

  • Good maximum cashout of £100 + bonus
  • The spins are available on a popular slot

Cons

  • You can only use the free spins at Fluffy Favourites
Bonus Verdict

This Electric Spins offer is worthwhile for players who want to try out multiple game types and don’t mind wagering requirements that are on the higher end. Also, keep in mind that some titles have no wagering contribution.

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Bonus Codes
First-time depositors only (18+ country restrictions apply). Min deposit: £10. Max offer: £20 Games Bonus & 100 Free Spins (on a game of our choice). Promo code: SPINIT. Spins are valid for 7 days, FS winnings capped at £10. FS wins granted in GB after all FS used. GB must be wagered 35x. Max Games Bonus win cap: £100 + value of initial bonus. Any outstanding vouchers (free spins or bingo tickets) will be removed from players’ accounts if they haven’t logged in, in 5 days. Country restrictions apply. 18+. General withdrawal restrictions apply and full T&Cs apply. Valid until further notice T&C Apply, 18+
BetVictor Casino logo
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Exclusive

3.9

kingcasinobonus

Min. Deposit

£5

Wagering

40x B

Max. Cashout

£1250

Slot Games

2000

Deposit and wager £10 at BetVictor Casino and you can get a £50 bonus on selected Playtech slots.

Offer Requirements

To redeem this promotion, deposit £10 and wager it on the selected games within the first week after you opened your account. The bonus will be awarded to you in increments of £10 on Playtech slots.

The winnings must be wagered 40 times. You have 30 days to use and complete the requirement for each instalment of £10. After that, you may withdraw up to £1250.

Pros and Cons

Pros

  • You will receive a generous bonus amount compared to the sum you deposit
  • The max cashout is set at £1250, which is very high

Cons

  • Each set of £10 bonus funds is limited to specific games, restricting your options
  • You have to wager the deposited sum before receiving the promotion
Bonus Verdict

This promotion is suitable for players who want to try out some of Playtech’s most popular slots with a generous bonus of £50. The maximum cashout of £1250 is also very impressive for such an offer.

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Bonus Codes
18+ New customers only. Opt in and wager £10 on selected games within 7 days of registration. Get 5 x £10 bonus for selected games with up to 40x wagering. Bonuses expire in 30 days. Max redeemable from bonuses £1,250. Card payments only. T&Cs Apply, see below. begambleaware.org | Please gamble responsibly T&C Apply, 18+
Immortal Wins Casino logo

Exclusive

3.9

kingcasinobonus

Min. Deposit

£10

Wagering

65x W

Max. Cashout

£50/£250

Slot Games

1900

  • 20 free spins on registration
  • Up to 500 spins on the first deposit
Bonus Rules

You can also access the Loot Chest after using your registration offer. Make your first £10 deposit, unlock the chest, and you might win up to 500 spins on Immortal Romance. If you win the 500 spins, 50 will be credited to your account.

You must send the casino an email to collect the remaining award amount. Moreover, you must also meet the 65x wagering requirement to withdraw any bonus money. You can convert up to £250.

Pros and Cons

Pros

  • You may receive an impressive amount of spins
  • The promotion allows you to withdraw up to £250 after you complete the wagering

Cons

  • The wagering requirement is quite high
  • The spins can only be played on Immortal Romance
Bonus Verdict

This welcome bonus is worthwhile for slots enthusiasts, as it may grant up to 500 spins on Immortal Romance.

Rate this Bonus
Bonus Codes
New players only, £10 min fund, 65x bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250) full T&Cs apply & New players only, no deposit required, valid debit card verification required, 65x wagering requirements, max bonus conversion to real funds equal to £50

Compare Our Best Slots Bonuses for UK 2024

Compare our full list of slots welcome bonus packages on sign-up selected by Vlad George Nita and Camelia Dedu, using the bonus terms and our favourite feature based on our tests:

Rank Slots UK Bonus Best For Min Deposit Claiming Time Wagering Req. Slots Wagering Contribution Max Cashout
#1 Mr Green Best slot bonus UK overall £10 2 min. 35x 100% No limit
#2 Dream Vegas Top slot variety £20 3 min. 35x 100% £100 (spins)
#3 Hey Spin Starburst fovers £10 2 min. 35x 100% No limit
#4 Race Casino New slot players £10 3 min. 40x 100% No limit
#5 Hot Streak Casino Fast payout slots bonus £20 2 min. No wagering (spins) 100% £200
#6 All British Casino British theme £10 2 min. 35x 100% No limit
#7 Secret Slots Slot tournaments £20 1 min. 60x (bonus) / 99x (spins) 100% £100
#8 Cash Arcade Chilli Heat fans £10 3 min. 65x 100% £250
#9 NYSpins High cashout limit £20 3 min. 30x (bonus) 100% £500
#10 Crystal Slots Returning player slot machine bonuses £10 3 min. 65x 100% £250
#11 Yako Casino No limit on Cashout £20 1 min. 40x 100% No limit
#12 Gala Spins NetEnt slots bonuses £5 2 min. 40x 100% No limit
#13 Amber Spins Wagering challenge £10 3 min. 60x (bonus) / 99x (spins) 100% £100
#14 Winner’s Magic Casino Play’n Go slots bonus UK £20 5 min. 35x 100% No limit
#15 SlotStrike Casino Flexibile bonus for slots £10 3 min. 30x 100% 4x conversion
#16 Magic Red Casino High conversion limit £20 2 min. 50x 100% £100 (spins)
#17 Jaak Casino Starburst fans’ alternative £20 5 min. 35x 100% No limit
#18 Les Ambassadeurs Online Casino High-roller slots deposit bonus £10 2 min. 35x 100% No limit
#19 Atlantic Spins Many eligible slot games £10 4 min. 35x 100% No limit
#20 Jackie Jackpot Big Bass Bonanza fans £10 2 min. No wagering (spins) 100% No limit

To create this table, our experts followed these steps:

  1. Explored our top online casino collection and selected the highest rated ones
  2. Ensured they offer plenty of slots and counted them
  3. Checked the number of providers
  4. Listed the promotions that can be used on slots
  5. Prioritised no wagering free spins for your best experience

The following review sections focus and expand upon our top 5 slot welcome bonus picks. We provide you with a summary of our our testing data in an organised format. We’re confident that our expertise and thorough analysis will help you find the perfect slot welcome bonus to suit your needs. Read our full reviews of each slot site if you need more details.

#1. 100 No Wager Spins on Big Bass Bonanza for £10 at Mr Green Casino

100-No-Wager-Spins-on-Big-Bass-Bonanza-for-£10-at-Mr-Green-Casino

Overview: Our team of experts at KingCasinoBonus put Mr Green Casino’s offer to the test, and we deem it the best slots joining bonus after comparing bonus policies extensively. We were pleasantly surprised by the swift crediting of the first £10 deposit slots bonus with a Visa Direct debit card.

Who should claim this bonus: If you want to trigger bonus rounds on Big Bass Bonanza regularly, you’ll appreciate the chance to start with a hassle-free no wagering slots bonus from Mr Green.

Unique Features:

  • Seamless integration and gameplay on Big Bass Bonanza
  • Live chat support available to assist with activation

If you want an alternative offer with more bonus spins, pick a similar 10-pound deposit slot bonus like the one at Monopoly Casino. Or, explore Madslots on mobile with a free slots bonus with no deposit.

#2. Up to £300 slots sign-up bonus + 150 Spins at Dream Vegas

Up-to-£300-slots-sign-up-bonus-+-150-Spins-at-Dream-Vegas

Overview: The data speaks volumes in our reasoning to choose this tiered UK slots welcome bonus with a generous deposit match and many high-contribution casino games to play. We like that the bonus money comes in versatile packages with varying numbers of spins based on the size of your 1st deposit.

Who should claim this bonus: Slot players who appreciate a flexible sign-up bonus that caters to their deposit size will find this offer ideal.

Unique Features:

  • Slot sign-up bonus with 3 deposit tiers, each with its own set of extra spins bonuses
  • Generous £100 bonus spins max withdrawal

#3. 100% Up To £50 slots welcome bonus + 100 Starburst spins at HeySpin Casino

100%-Up-To-£50-slots-welcome-bonus-+-100-Starburst-spins-at-HeySpin-Casino

Overview: Our team took a deep dive into HeySpin Casino while testing its UK slots bonus on sign-up. The ease-of-claiming and low 35x wagering makes this package a likely candidate to the podium of our best slot bonus UK ranking for 2024.

Who should claim this bonus: New UK players looking for a solid start on NetEnt’s flagship slot will be satisfied by this low deposit first deposit bonus for slots.

Unique Features:

  • You can wager Starburst-generated wins in a wide selection of games

If you still find a 35x wager high, pick an alternative bonus from our low wagering bonus list: Grosvenor is a good pick with 10x wagering.

#4. 100% up to £100 slots bonus UK at Race Casino

100%-up-to-£100-slots-bonus-UK-at-Race-Casino

Overview: If you’re looking for a new slot site with sign-up bonus, get the most straightforward introduction from Race Casino. Make your new online slots experience as uncomplicated as possible and try a wide range of qualifying games with a boosted bankroll up to £100!

Who should claim this bonus: If you don’t mind the high £20 min. deposit, you’ll be satisfied with this no-frills slots welcome bonus. Signing up at the Race Casino is done in 3 minutes without any other complexities.

Unique Features:

  • Brand new slot site with +1400 slots and a revamped 2024 slots welcome bonus

#5. 100 no wager spins on Big Bass Bonanza at Hot Streak Casino

100-no-wager-spins-on-Big-Bass-Bonanza-at-Hot-Streak-Casino

Overview: After carefully testing Hot Streak Casino’s exceptional no wagering spins offer on several iOS and Android smartphones, our KingCasinoBonus experts can confidently recommend it to any UK slots player on-the-go. You can relish in a considerable 100 spins on Big Bass Bonanza by meeting a modest deposit and stake requirement. Claim on your mobile in less than 3 minutes!

Who should claim this bonus: Both newcomers and experienced slot players will be drawn to this offer. You get to maximise your first session and play whichever game you want with your generated wins, since the results are paid directly in your cash balance.

Unique Features:

  • A substantial number of spins
  • Staking required to unlock the spins

Different Types of UK Slots Welcome Bonuses

Compare-Different-Types-of-UK-Slots-Welcome-Bonuses

Once you have exhausted the no deposit slots sign up bonus offers, you must look for deposit-based online casino offers to continue your promotional play. We provide our expert analysis on each type to help you make better decisions.

200% match bonuses: best-value deposit slots bonus

The 200% match offers are especially popular with the British online gambling crowd. And there is a simple reason for that. The 200% match offers provide double your deposit in promotional funds.

Thus, they result in more play on bonus slots when compared to the industry standard 100% match slots welcome bonus options.

The more promotional funds you receive, the more complicated your playthrough completion will prove. So, a 500% slots deposit bonus might not be the ideal option from this point of view.

£5 or £10 deposit bonus slots: play with a low deposit

The best way to play online slots with a welcome bonus is by making a low investment. Parimatch lets you claim slots bonuses with £5 and they come with low wagering requirements. Check some highlights from our lists of 5-pound and £10 deposit bonuses for slots:

  • MadSlots – 100 free spins for £10
  • Electric Spins – bonus and free spins for £5

A deposit of 10 pounds also falls on the cheaper side while providing enough funds to play the promo slots of your choice. We have set the standard for sign-up incentives, with most popular casinos like PokerStars providing up to 100 no wagering spins bonuses.

No wagering UK slots bonuses: best bang for your penny

When choosing the best no deposit bonus slots option, you should consider the cashout rate or promo value and your chances of converting it into cashable funds.

Most offers will require you to perform a rollover. A high promotional value with high wagering conditions will complicate your conversion and cashout process.

Thus, lower wagering bonuses should be your best option for no deposit bonus slots.

You may consider no wagering UK bonuses for slots, where your winnings turn into cashable funds as some of the most recommended options for this concern:

Latest-Added Slots Bonuses in the UK for March

Our experts want you to play the latest games at new slot sites with the best bonuses. The following list gives you 4 top-rated options to start playing in 2024:

  • Deposit £20 get 75 Bonanza spins at Rhino.Bet
  • Deposit £10 Get 100 Free Spins + 100 registration spins at Luck.com
  • Deposit £10 Play With £30 + 30 Spins on Starburst at Atlantic Spins
  • Wager £10 Get £20 + 20 Free Spins at Parimatch

Despite asking for your highest deposit, the bonus spins at Rhino Bet are listed first due to their low wagering requirement of just 10x. Our experts recommend them if you like Big Time Gaming or Candy Crush-like slot games.

The all-new Luck.com promotion for slots, another great choice for players who want to activate the most spins with the least investment in March. You must deposit at least 10 pounds, but before paying, you’ll activate a no-deposit free bonus for slots on registration. 100 extra spins should get you started on the right foot.

Equally good regarding wagering requirements, the next bonuses provided by Atlantic Spins and Parimatch are options you should seriously consider if you’re a fan of NetEnt games.

Top 5 Mobile Slots Bonuses in March

The world of online slots is at your fingertips with the best mobile slots casino bonuses. Play slots on your smartphone or tablet right from the browser, be it Safari, Chrome or Opera. Claim the best 1st deposit bonuses anytime, and start spinning the reels of the best slots anywhere:

  1. MobileWins: 150% up to £100 + 20 no wagering spins
  2. Rainbow Riches Casino: Wager £10 and get 30 no-wagering spins
  3. LuckyVIP: 100% up to £100 (play slots and get an extra live casino bonus)
  4. QuinnBet: Deposit £10 and Get 50 No Wagering Spins on Reel Diamonds
  5. Megacasino: Deposit £10 and get 100 Spins on Book of Dead

Enhance your mobile slot experience with these fantastic bonuses aimed specifically at those who enjoy slots on mobile devices. MobileWins is the best bonus for Android gambling platforms, and QuinnBet is equally good on these smartphones. However, if you’re an iOS casino player, check out Rainbow Riches and LuckyVIP – these apps have no game restrictions on slot bonuses.

How We Find and Rate the Best Online Slots Bonus Offers

The essentials we shared regarding bonus slots and their accompanying offers are only the start of how we review platforms and promotions.

High UK industry standards

Our main aims are to uphold a regulated and fair market and inform our readers about the ins and outs of the dynamic iGaming industry. Our approach then results from these objectives.

Our specialised reviewers will start by verifying a platform’s UKGC accreditation and its policy’s adherence to the current legal standard. Licensing and upholding various industry-specific and customer rights legislation are essential here.

Testing slots welcome bonuses

Writers will then test out the platform in ways similar to any British user. All areas and functionalities come under scrutiny. With an ever-developing database of running services, we can generate informed insights into the quality of an iGaming platform, its activities, and slots bonuses. The reviews you end up reading are the final user-friendly curation of our complete findings.

The result we intend to arrive at is informing you sufficiently to proceed with your decision with full knowledge of all contingencies. This way, the actions you choose to take are only subordinate to your desires and demands.

How to Choose Online Slots Sign-up Bonus Offers

How-to-Choose-Online-Slots-Sign-up-Bonus-Offers

Our iGaming-specialised contributors will provide the essential concepts of finding and selecting slots bonuses in the UK market.

  • Licensed casinos – it is critical to only pick offers from accredited online casinos. Holding a license from the UKGC is not only proof of quality but a legal requirement for functioning in the British market.
  • Audited games – beyond the fairness checks of the UK Gambling Commission, the titles featured on a platform should be verified by independent auditors, such as eCOGRA.
  • Game variety – aside from legality and fairness, you should ensure that you only choose gambling sites with a wide and varied array of activities. Slot titles are a priority, but operators should also host a catalogue of table games and live dealer titles.
  • Appealing transaction policies – your platform of choice should allow using your preferred banking options and have reasonable transaction limits. Quick operator-side processing is a must. Thus, you should always go for the fastest payout online casinos, as these perform best in banking areas.

What to pay attention to

Here are some details to enhance your means to compare UK slots bonuses.

Slots sign up bonus offers in the UK are intended to attract new customers by appealing to beginners and providing a play period that does not require payment.

However, you should still consider several qualities for these options. Firstly, you should consult the wagering conditions. Some platforms will impose stricter options. However, this is not standard, a fact that is proven by the no wagering slots bonuses we found on the current market.

Also, take some time to consider any other cashout limitations that your promotion may have. Some options will have you complete a deposit for wagered funds cashout.

All slots sign up bonus offers will require you to complete the KYC verifications. Send your data in due time, as the processing period may vary.

Additionally, slots bonuses will belong to one of two types: no deposit bonus slots funds or slots welcome bonus spins. While the former applies to more game options, promotional rounds are often more advantageous to compensate for the limited game variety.

The importance and popularity of extra spins among the best bonus slots offers make it worthwhile to devote a separate selection just for them.

Play the Best Slots with Bonuses and Free Spins

Play-the-Best-Slots-with-Bonuses-and-Free-Spins

Slot game Provider Bet range Best Slots Bonus to Play
Starburst NetEnt £0.1-£100 Deposit £10 Play With £30 + 30 Spins on Starburst at Atlantic Spins
Book of Dead Play ‘n GO £0.1-£50 Deposit £10 Get 100 Spins on Book of Dead at Megacasino
Age of the Gods Playtech £0.2-£25 Deposit £10 Get Up To 200 No Wagering Spins at Betfred Casino
Rich Wilde and the Tome of Madness Play’n Go £0.2-£25 150% Up To £100 + 20 No Wagering Free Spins at Mobile Wins Casino
Big Bass Splash Pragmatic Play £0.1-£100 100 Big Bass Splash registration spins and 100% up to £200 at MadSlots

We selected some of the most popular slots in the UK, considering the bonuses claimed from our database. After that, we looked into their providers and betting limits. We used information collected from trusted online sources and the data we gathered ourselves by accessing the games. At last, we listed the platforms that let you play these slots with bonus spins and the best welcome slots bonus packages.

Slots with bonus games

Besides getting you the best promotions for slots, we recommend the best slots with bonus rounds, which refer to in-game mechanics that can improve your sessions:

  • Legacy of Dead – 10 bonus spins round
  • Cleopatra – 15 bonus spins
  • FoxPot – Fox bonus wheel feature
  • 40 Super Hot – Gambling feature
  • Monopoly – Cascade wins
  • Big Bass Bonanza – Scatters, pick-a-bonus
  • Mega Moolah – Progressive jackpot

Jackpot games

The UK bonus slots gamblers prefer the most must be the jackpot games, be they progressive, part of a network, or standard.

These titles differ from run-of-the-mill slot games by incrementally increasing the entire pot with each wager any player places. Network progressives also have several games that contribute to the same prize pool.

Naturally, these bonus slots accrue staggering sums that easily go into the millions of pounds. You can find numerous jackpot game options on the best paying casinos in the UK.

Four best jackpot slots in the UK

Title Jackpot
Mega Moolah +£10 million
Jackpot Giant +£4 million
Hall of Kings +£4 million
Mega Fortune ­+£1.5 million

Get free spins on specific gaming products

British gamblers can find online slots bonus options created explicitly for them. Naturally, most options will represent free spins. The most popular option among bonus slots must be NetEnt’s hit title. Countless high-grade platforms provide Starburst no deposit free spins for UK gamblers.

Play ‘n GO is another renowned developer that hit the proverbial jackpot by launching Book of Dead. The game is a favourite of Egyptian-themed, Indiana Jones-styled slot games. And to their glee, many online casinos host Book of Dead free spins offers.

You can especially expect to find such bonuses on new UK slot sites, since brand new casinos aim to attract new players by featuring bonuses linked to popular titles. We recommend that you check out the extended Rich Wilde franchise.

Provider-based slot bonuses

If you do not want to limit your gameplay to one title, opt for provider-specific promotions, like NetEnt free spins.

These are usable on a slew of titles coming from a top developer. They offer greater variety but maybe more restraining than game-dedicated promotions.

NetEnt casinos frequently offer spins bonuses on summer slots, especially during Summer months, in order to motivate players to keep gambling.

Choose the highest-valued free spin package

The number of spins included in your online slots bonus batch is another area of variation. Although most gamblers would like as many rounds as possible, the situation is not as simple. Your best bet is going for the 50 slots sign-up bonus spins. If you want to combine convenient wagering requirements and plenty of spins for a low deposit, our best route is to try one of the 100 free spin slots bonuses we picked.

We give you options with larger batches of up to 500 free spin slot bonuses. These will keep you entertained for considerably more time.

However, you should not ignore the higher wagering conditions often applied to these promotions. They remain a worthwhile option, but consider it a commitment.

Why the UKGC banned bonus buy slots

The UKGC banned bonus buy slots to protect players from problem gambling and spending more than they can afford. Bonus buying lets players bypass randomness and pay to trigger bonuses, but it doesn’t improve win chances or guarantee wins. The UKGC saw bonus buying as encouraging players to overspend, so they prohibited this feature, allowing only randomly triggered bonuses in UK slots.

Licensed UK casinos don’t offer bonus buy slots, so players enjoy fair games with responsible gambling controls. It’s best to play at regulated UK casinos for security and accountability. Should you find yourself in a jurisdiction other than the UKGC’s, here are the best online slots with bonus buys to play:

  • Rip City by Hacksaw Gaming
  • Fishin Frenzy Megaways by Blueprint Gaming
  • Mental by Nolimit City
  • Fat Banker Slot by Push Gaming
  • San Quentin by Nolimit City
  • Iron Bank by Relax Gaming
  • Dog House Megaways by Pragmatic Play

Rules to Keep in Mind for Slots Welcome Bonuses

Rules-to-Keep-in-Mind-for-Slots-Welcome-Bonuses

Rules for bonuses Industry average
Wagering requirements 35x winnings/initial promotion
Minimum deposit £10
Match and up to amount 100% up to £100
Availability period 7-10 days for no deposit/30 days for deposit
Maximum cashout £50-£100 for no deposit/£200+ for paid options

Wagering requirements

Wagering requirements are the one industry-specific condition for casino promotions. All the more concerning since users are generally uninformed in this area.

Slots bonuses will offer you promotional funds or spins that permit play without personal expenses. However, operators cannot afford to lose money only to attract gamblers. Enter wagering requirements. These have you playing real funds several times before releasing promo money as real cash.

The 35x has been found to guarantee minimum losses to the platform while still proving desirable to users. Naturally, you can find better options, but they often come with additional limitations, such as being limited to wager in a single lobby game.

Minimum deposit

This condition concerns deposit-based slots bonuses. These will only become claimable if you add funds equal to or over a certain threshold.

Match percentage and up to value

This is not to be mistaken for two other essential values for deposit offers. The match percentage relates to the number of promo funds you receive to those you add.

This matching only goes up to a value specified in the promotion title. Thus, you will only get the maximum promotional value no matter how much more you deposit over the threshold.

100% means full matching, i.e., you get to play exactly how much you deposit on promo slots. 200% means you get triple the funds, counting your deposit as well.

Availability period

Like any promotion, its utilisation is time-dependent. You will have a certain period to play on promo slots before promotional money or spins expire.

The usual standard for no deposit bonuses ranges from seven to ten days. 14 or 30 days are the better options. Paid promotions generally give you 30 to 90 days to play your promotional slots and complete the wagering.

Maximum cashout

The maximum conversion amount describes how much you can convert in eligible online casino games once the playthrough is complete.

This is another cap on the convertible to real money amounts. No deposit slots offers and a wide range of bonuses besides them often encounter such limits, while deposit options are more lenient.

Best Practices for Slots Bonus Play

  1. Play games from accredited providers, present in licensed casinos.
  2. Always start with a new no deposit offer to try out the casino.
  3. Pick your bonus for slots based on our expert verdicts.
  4. Keep your spin values at a minimum to prolong your playtime.
  5. Do not consider the wagering obligations a commitment if you cannot spare the required expenses.
  6. Only go for paid deposits if you can afford them. Establish a dedicated gambling bankroll and do not exceed it.
  7. Keep tabs on the time you spend playing bonus slots, regardless of the time restrictions.
  8. There are ways to recognise gambling addiction and act in due time. Don’t gamble on your health.
  9. Do not consider playing bonus slots to be a source of revenue. While profits can occur, these instances are only outliers.

Deposit Slots Bonuses for Existing Players

The promotions that will let you play slots with an active bonus don’t end automatically with the welcome bonuses for new players. As we’ve seen, a casino needs a robust incentive system for the already-registered players to gain a high positive reputation.

In this article, you’ll not find casinos that will not incentivize you if you’re a loyal player, so rest assured, our team managed to get the best picks in the British industry.

The promotional offers for existing players can come in many forms. For this reason, to give you a shortcut, we’ve decided to encompass every concept, like cashback bonus, VIP, and so on, as well as some alternatives.

Cashback Bonus

A CashBack bonus rewards you with a percentage of your losses over a specific period. With slots CashBack, the casino returns a portion of your slot play losses – usually 10-25% – at the end of the week or month.

The best example of such an offer comes from Fitzdares Casino, which will let you grab a slot bonus offer every Monday. All you have to do:

  1. Sign up at Fitzdares Casino from our link
  2. You get 10% of your net losses back as a bonus up to £50 each week when you lose more than you win playing slots or table.
  3. The bonus comes as free play on slots
  4. 1x wagering requirements

Slot Bonus via VIP Scheme

Getting slots bonuses through a VIP scheme is reserved for top-tier players. You can get exclusive perks like personalized offers, gifts, event invites, and bonus promotions tailored to your game preferences. Slot bonuses via a VIP program reflect your loyalty status.

As you play more rounds and move up VIP levels, you unlock boosted match offers, free spins deals, and slot-specific prizes that cater to your activity.

Slots Tournaments

Slots tournaments are competitive events pitting players against each other in selected slot games. To enter, you pay a small buy-in fee to get a tournament bankroll. You then play rapid rounds within a short timeframe, trying to finish with the most considerable balance. Whoever gets the highest score wins real money or bonus funds.

Visit MadSlots Casino bonuses and enter the Mad Drops and Wins Tournament. You will play games like Big Bass Bonanza, Sweet Bonanza, and many more.

Referral Slot Promo

A referral slot promo rewards players who get friends to sign up at the casino. For every friend you refer who then deposits, you can earn free slot spins, deposit matches to play slots or slot-focused bonus funds.

Maximizing Your Slot Bonus Based on Payments Methods

Maximizing-Your-Slot-Bonus-Based-on-Payments-Methods

You may choose the best bonus slots on the market. However, the critical aspect of making the most of your gameplay depends on your spending practices.

Knowing the essentials of using available payment methods thus becomes a key aspect of your activity. Gambling sites will have several banking options of varying types with specific conditions.

Service availability

Card users will undoubtedly have available features for both VISA and Mastercard. Sometimes, you can also find options like Maestro and American Express. Various online casinos offer their players the possibility to receive slots welcome bonus for adding card in the UK. This is a chance that will allow players to start their gambling session easier and also provide the chance to increase their winning chances.

Following the latest UKGC legislation, British gamblers can only use debit cards on gambling platforms.

e-Wallets are also popular due to their accessibility and shorter processing times. While a casino may take up to one-to-two days to confirm withdrawals for debit cards, e-wallet payment may go through within hours.

You will often find more banking options of this type, but some are clear favourites. This warrants UK players’ preference for PayPal deposit slots bonuses with low wagering, letting you withdraw any winnings quickly with the most efficient online payment service.

Transaction limits

Each featured option will have minimum and maximum transaction options. These often coincide with deposits and transactions. Nevertheless, payments to customers are often subject to more restrictive bounds.

The ideal platform would allow low- and high-value transactions via your preferred method. Most gambling platforms will divide payments exceeding a certain sum, often stated to be £25000, into monthly increments.

What Makes a Slots Deposit Bonus Worth It?

Based on our experience, slots deposit bonuses are worth it because, compared to the free spin no deposit offers, the wagering requirements are lower. As we’ve seen, gambling sites that give you extra rounds to play slots without financial commitment impose higher rollover conditions above 50x.

Another top reason is that your bankroll is boosted, and your gameplay experience is longer than your usual deposit.

Alexandra Camelia Dedu reviews & comparisons of UK online casinos are made with a critical eye and a lot of real-world experience. As a former casino player with strong research skills, she tests and rates each casino and its bonuses with great care to make sure her reviews and tips are accurate and useful for every player.
Vlad George Nita is the Lead Editor at KingCasinoBonus, bringing extensive knowledge and expertise of online casinos & bonuses. He applies his extensive industry knowledge into providing valuable, accurate casino data and dependable recommendations of bonuses strictly based on UK players' requirements.