All UK Slots Welcome Bonuses (279 Active Offers)

Kwiff Casino Logo
Featured

200 WAGER-FREE SPINS ON 1ST DEPOSIT

3.8 / 5

Min. Deposit

£10

Slot Games

2000

  • 1st deposit: 40 spins on Book of Dead
  • 2nd deposit: 40 spins on Book of Dead
  • 3rd deposit: 40 spins on Book of Dead
  • 4th deposit: 40 spins on Book of Dead
  • 5th deposit: 40 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. For each new deposit, you will get an additional set of 20 spins until you receive the complete package of 200 spins. You must place daily deposits for 4 consecutive days after making the first deposit

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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Kwiff Casino Bonuses
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
Mirror Bingo Casino Logo
Featured

500 FREE SPINS ON 1ST DEPOSIT

4.3 / 5

Min. Deposit

£10

Slot Games

3000

Details About the Promotion

Deposit at least £10 to redeem your extra spin on the Mega Wheel. You can acquire up to 500 spins on 9 Pots of Gold or other bonuses depending on where the spin lands.

The promotion comes with a 65x wagering requirement. The maximum withdrawal is equal to your lifetime deposits, which cannot surpass £250.

Pros & Cons

Pros:

  • 9 Pots of Gold is a popular slot
  • 500 spins is a high number

Cons:

  • Low max cashout value capped at £250.
  • High wagering requirements of 65x.
Bonus Verdict

Gamblers may view the high 65x wagering requirement as a significant disadvantage. This, coupled with low max cashout values, leaves a lot of room for improvement.

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Mirror Bingo Casino Bonuses
New players only, £10 min fund, free spins won via mega wheel, 65x wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250) ,T&Cs apply
NewSpins Casino Logo
Featured

500 FREE SPINS ON 1ST DEPOSIT

4.3 / 5

Min. Deposit

£10

Slot Games

3200

Offer Details

After depositing over £10, you will receive 1 spin on the Mega Reel, which can give you Amazon Voucher, 500 spins on Fluffy Favourites or other bonuses.
The promotion implies a 65x wagering requirement for the spins generated value. The withdrawal limit equals your lifetime deposits that should not exceed £250.

Pros & Cons

Pros

  • The number of extra spins is considerably high.
  • Fluffy Favourites is a popular slot.

Cons:

  • High rollover of 65x.
  • Low max cashout of only £250.
Bonus Verdict

Gamblers will not appreciate this bonus since it has high wagering requirements and a low maximum payout of only £250.

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NewSpins Casino Bonuses
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&Cs apply
Free Spins Bingo Logo
Featured

500 FREE SPINS ON 1ST DEPOSIT

4.1 / 5

Min. Deposit

£10

Slot Games

1800

Promotional Rules

Once you have made a £10 first deposit, you will receive an extra spin on the Mega Reel. Therefore, you have the opportunity to claim up to 500 extra spins on Sweet Bonanza.

The generated value from the spins must meet a 65x wagering requirement. The withdrawal limit equals your lifetime deposits, which should not exceed £250. The promotion is available for 7 days.

Pros and Cons

Pros

  • High number of spins
  • Sweet Bonanza is a popular slot

Cons

  • The rollover requirements exceed the average
Bonus Verdict

For a small £10 deposit, this promotion offers new players the possibility of receiving 500 extra spins on Sweet Bonanza. Gamblers can withdraw up to £250, but they must fulfil a 65x wagering requirement first.

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Free Spins Bingo Bonuses
New players only, £10 min fund, max bonus conversion to real funds equal to lifetime deposits (up to £250) ,65x wagering requirements and full T&Cs apply
Wild West Wins Logo
Featured

500 FREE SPINS ON 1ST DEPOSIT

4.1 / 5

Min. Deposit

£10

Slot Games

3821

Bonus Terms

Players that deposit a minimum of £10 can claim the bonus rounds. The spins are subject to a 65x wagering requirement to be able to cashout the maximum value of £250. Remember that the spins are only valid on the Mustang Gold slot.

Pros & Cons

Pros

  • 500 spins on deposit is a high amount

Cons

  • The maximum cashout of £250 is low
Bonus Verdict

This offer is good for players that are looking for a high number of spins bonus. You can play the rounds on the Mustang Gold slot but keep in mind that you can only win £250 from this offer.

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Wild West Wins Bonuses
New players only, no deposit required, valid debit card verification required, 65x wagering requirements, max bonus conversion to real funds equal to £50, T&Cs apply
SpinYoo Casino Logo
Featured

100% UP TO £250 + 100 SPINS

4.0 / 5

Min. Deposit

£10

Slot Games

2494

Promotional Terms

Deposit £20 or more to access this offer. The funds and initial deposit must be wagered 35 times prior to cashing out.

The spins will be granted on selected slots in sets of 20 per day. You may withdraw up to £50 for each set, so £250 in total.

Pros and Cons

Pros

  • The spins are granted over 5 days, which promotes responsible gambling
  • The 35x wagering is reasonable for such an offer

Cons

  • You may place a maximum bet of £5 per round with the bonus funds
Bonus Verdict

This promotion allows punters to try out several popular slots, along with other game types, as it offers both funds and spins. Also, the 35x wagering is on the lower end.

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SpinYoo Casino Bonuses
New players only. Min Deposit £20. Max Bonus Bet £5. Bonus offer is 100% of first deposit up to £250 and 100 Yoo Spins valid on Starburst, Book of Dead, Fire Joker, Gonzo's Quest, and Big Bass Bonanza respectively (first 20 credited immediately upon first deposit; rest credited at 07:00 GMT at 20/day). Spins must be used by 23:59 GMT of the day on which they are credited, any unused shall be removed. Winnings from each 20 spins set capped at £50 and credited as bonus funds. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and are subject to 35x wagering of bonus funds and deposit amount. Only your bonus funds contribute towards any wagering requirements. Bonus funds can only be used on slot games. Full Terms Apply. Play responsibly. BeGambleAware.org
Metal Casino Logo
Featured

100% UP TO £50 + 50 SPINS

3.9 / 5

Min. Deposit

£10

Slot Games

2500

Bonus details

Make a deposit of at least £10 to acquire this bonus. You must roll over the deposit and the bonus amount 30 times to cash out your funds. The 50 extra spins are only available on the Book of the Dead. Every spin is worth £0.10. The generated value of the spins has to be wagered 60 times.

You can wager up to 10% or £5, the lower one applies, of the spins generated value and bonus per bet while the offer is active. The promotion is available for 30 days.

Pros & Cons

Pros:

  • Book of Dead is a popular slot
  • You have 30 days to wager the bonus and spins generated value.

Cons:

  • Only up to £50 max bonus value.
  • High rollover for the spins generated value.
Bonus Verdict

30 times the bonus may appear as a reasonable rollover, but you must wager your bonus and deposit sum, which doubles the requirements. More so, the spins have considerable wagering requirements of 60x.

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Metal Casino Bonuses
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Book of Dead, Spin Value: £0.1. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds.Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. bonus policy page
Swift Casino Logo
Featured

100% UP TO £50 + 50 SPINS

Copy:

SWIFT

Copied!

4.4 / 5

Min. Deposit

£10

Slot Games

3100

Bonus Details

Deposit more than £10 and use the bonus code SWIFT. The match bonus has wagering requirements of 30x, including the deposit plus the bonus amount. Earnings from the spins have a 60x rollover requirement, which you can complete only on slots. The whole bonus package expires in a matter of 30 days.

Pros & Cons

Pros

  • The bonus is activated immediately upon depositing
  • Low wagering requirements of 30x for the deposit match bonus

Cons

  • Low value of the bonus of just £50 maximum
Bonus Verdict

This deal is made for players who prefer to play slots. First, the package’s two bonuses can only be used on this type of casino game, and the match bonus’s 30x wagering requirement is a bit lower than usual. You’ll also have 30 days to play with the bonus money, which is more than enough time.

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Swift Casino Bonuses
First Deposit Only. Min. deposit: £10, max. Bonus £100. Game: Book of Dead, Spin Value: £0.1. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos #ad begambleaware.org
Lord Ping Casino Logo
Featured

100% UP TO £57 + 37 SPINS

4.4 / 5

Min. Deposit

£10

Slot Games

6500

Bonus Terms

Join the casino and make a first deposit of over £20. You have to wager your deposit and bonus amount 30 times.

Only Starburst is eligible for the spins; each spin is £0.10. The spins generated value comes with a 60x rollover.

Both the bonus money and spins generated value have a 30-day expiry time.

Pros & Cons

Pros:

  • Good Value for first deposit

Cons:

  • 60x rollover for the spins generated value.
  • Only one game available for this promo
Bonus Verdict

The high 60x wagering requirement may represent a relevant disadvantage for slot gamers. More so, the bonus money has a reasonable rollover, but it applies to both the deposit and the bonus.

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Lord Ping Casino Bonuses
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £20, max. Bonus £57. WR of 30x Deposit Plus Bonus amount (Slots count 100% and any other game 10%) within 30 days. Spins Game: Starburst. WR 60x free spin winnings amount (only Slots count) within 30 days. Max Spins:37. Spin value: £0.10. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies).Bonus must be claimed 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.
Ice36 Casino Logo
Featured

100% UP TO £56 + 36 SPINS

4.4 / 5

Min. Deposit

£10

Slot Games

7400

Bonus Details

This bonus becomes available after you register and complete the KYC process. Then, claim the bonus first and make a deposit of at least £20 will activate the bonus, as well as the bonus spins. The first deposit bonus has a wagering requirement of 30x, taking into consideration the deposit plus the bonus amount. You will have to use the bonus in 30 days. The spins hold a 60x wagering requirement and can be used only on Starburst. These as well have an expiration time of 30 days.

Pros & Cons

Pros

  • The 30x wagering requirements is low

Cons

  • The £20 required deposit is higher than the widely settled £10
Bonus Verdict

This bonus is great for players that are slots oriented, since the first deposit bonus gives slots a 100% contribution, adding to that the 36 bonus spins that can be wagered in 30 days, a longer time than usual.

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Ice36 Casino Bonuses
Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Min. deposit: £20, max. Bonus £56. WR of 30x Deposit Plus Bonus amount (Slots count 100% and any other game 10%) within 30 days. Spins Game: Starburst. WR 60x free spin winnings amount (only Slots count) within 30 days. Max Spins:36 . Spin value: £0.10. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies).Bonus must be claimed 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.
Quinn Casino Logo
Featured

STAKE £10 GET 50 NO WAGER FREE SPINS

4.0 / 5

Min. Deposit

£10

Slot Games

3275

Details About the Offer

You may redeem the spins by depositing more than £10. The spins come with no wagering requirements, so they will be credited to your cash balance.

You can use this promotion only on Big Bass Splash, with the value of £0.10 per spin. After that, you may cash out up to £100.

Pros and Cons

Pros:

  • The promotion has no wagering condition, which is quite rare in the industry
  • You may cash out up to £100 after using the spins on Big Bass Splash

Cons:

  • The £0.10 bet per spin is quite low
Bonus Verdict

Slots enthusiasts who don’t feel like completing wagering requirements will find this promotion appealing, as the spin winnings are added directly to the cash balance.

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Quinn Casino Bonuses
New Customers Only. Stake £10+ across any QuinnCasino games, within 7 days of registration. Get 50 Free Spins (£0.10p spin value) on “Big Bass Splash”, valid for 7 days. Free Spins winnings are real cash, max. £100. Gamble Responsibly. GambleAware.org | UK
Rocket Slots Casino Logo
Featured

UP TO 500 SPINS ON STARBURST

4.1 / 5

Min. Deposit

£10

Slot Games

2500

Bonus Terms

Players must deposit a minimum of £10 to become eligible for this offer. To be able to cashout the maximum of £250, you must wager your winnings 65 times.

Keep in mind that the offer will appear as a pop-up. In case any player closes the pop-up, the bonus will not be available again.

Pros & Cons

Pros

  • 500 is a high number of spins
  • Starburst is one of the most popular slots

Cons

  • 65x wagering is high
Bonus Verdict

This offer is great for players looking for bonuses that provide a high number of spins on a popular slot. Keep in mind that to obtain the maximum number of spins, you must spin the Mega Reel which can give you less than 500 spins.

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Rocket Slots Casino Bonuses
New players only, £10 min fund, 65x bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250)
Slot Shack Casino Logo
Featured

UP TO 500 FREE SPINS ON STARBURST

4.1 / 5

Min. Deposit

£10

Slot Games

3858

Bonus Info

First-deposit players can claim this bonus for a minimum deposit of £10. Then, the Mega Reel will pop up, and the spins can be given in different amounts or none. Afterwards, the spin winnings are counted as bonus funds, requiring a 65x wagering requirement for cashout. Yet, remember that the maximum cashout value is tied to the total amount of deposits, up to £250.

Pros & Cons

Pros

  • 500 spins on deposit is a high amount

Cons

  • The number of spins can differ according to the Mega Reel
Bonus Verdict

Slots players will have to spin the Mega Reel and see if they can obtain up to 500 spins. The amount is not guaranteed, and the fact that you must wager the winnings 65 times is a high limit, even for that amount of spins.

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Slot Shack Casino Bonuses
New players only, £10 min fund, 65x bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250)
Casino Game Logo
Featured

UP TO 500 FREE SPINS ON STARBURST

4.1 / 5

Min. Deposit

£10

Slot Games

3858

Bonus Terms

After depositing over £10, you will receive 1 spin on the Mega Reel, which can grant you 500 spins on Starburst or other bonuses.
The promotion implies a 65x wagering requirement for the spins generated value. The withdrawal limit equals your lifetime deposits that should not exceed £250.

Pros & Cons

Pros

  • Starburst is a popular slot
  • 500 is a great number of spins

Cons:

  • High wagering of 65x
  • Low max cashout of only £250
Bonus Verdict

This offer is a great deal for players who are looking slot bonuses. The number of spins is extremely high but the wagering requirement of 65x is rather high for this type of promotion.

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Casino Game Bonuses
New Players Only, Min Deposit £10, £8 Max Win per 10 Spins, Max Bonus Equal to Lifetime Deposits (up to £250), 65X Wagering Requirements
Volcano Bingo Logo
Featured

UP TO 500 FREE SPINS ON 1ST DEPOSIT

4.1 / 5

Min. Deposit

£10

Slot Games

3858

Bonus Details

This bonus is available only for first-time depositors at this casino. A £10 deposit is necessary to claim this promotion. Even though this promotion has a maximum of 500 spins, it depends on the Mega Wheel spin, which could also result in no spins at all.

The earnings from the spins hold a 65x wagering requirement. Lastly, the maximum withdrawable amount is capped at £250 the sum of the lifetime deposits.

Pros & Cons

Pros

  • 500 is a large amount of spins granted

Cons

  • The Mega Wheel from the bonus may result in no spins at all
Bonus Verdict

This promotion is best suited for experienced slot players who do not mind high wagering requirements. The winnings from the 500 spins have to be wagered at least 65 times, which can be seen as high by some gamblers. Also, the maximum you can cashout is dependant on the lifetime deposits total, up to £250.

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Volcano Bingo Bonuses
New Players Only, Min Deposit £10, £8 Max Win Per 10 Spins, Max Bonus Conversion Equal to Lifetime Deposit (Up to £250), 65X Wagering Requirements
Lucky Vegas Casino Logo
Featured

DEPOSIT £10 GET 100 SPINS ON BOOK OF DEAD

3.9 / 5

Min. Deposit

£10

Slot Games

995

  • Deposit offer: 100 Spins on Book of Dead
Promotional Details

To claim the welcome package of Lucky Vegas, you simply need to create your new casino account, and you will be rewarded with the promotional spins. Furthermore, for your first deposit on the platform over £10, you will receive 100 rounds on Book of Dead.

The operator doesn’t specify a cashout limit, but to withdraw your winnings, you have to complete a rollover requirement of 60x within 30 days from claiming.

Pros & Cons

Pros

  • Great time limit of 30 days
  • Great number of spins for only £10

Cons

  • Challenging wagering condition of 60x
Bonus Verdict

The welcome package of Lucky Vegas Casino gives British punters a great mix of free rounds on one of the most popular slots, Book of Dead. You can test out the platform without needing to invest, and if you decide the website is worth it, you can claim 100 spins for an affordable deposit of £10.

While the playthrough requirements might seem hard to complete, you have up to 30 days to progress them and don’t need to worry, even if you’re a newer player.

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Lucky Vegas Casino Bonuses
Automatically Credited Upon Deposit. Cancellation Can Be Requested. 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
Crystal Slots Casino Logo
Featured

UP TO 500 FREE SPINS ON SWEET BONANZA

4.1 / 5

Min. Deposit

£10

Slot Games

3765

Bonus Terms

If you deposit more than £10, you will get a free spin on the Mega Reel. This can bring you up to 500 spins, Amazon vouchers or other sets of spins on slots.

In case you get the first set of spins, you will receive 50 instantly and you have to contact live chat for the others. This offer comes with 65x wagering on winnings and maximum cap of £250.

Pros and Cons

Pros

  • Free spins valid on the popular Sweet Bonanza slot
  • Easy to claim via pop-up message
  • You can cash out up to £250

Cons

  • High wagering of 65x
  • The 500 spins are not guaranteed
Bonus Verdict

Our experts recommend this Crystal Slots Casino bonus, but keep in mind that it’s quite tricky. While 500 Sweet Bonanza spins sounds impressive, there’s no guarantee you’ll land them. Moreover, the 65x wagering requirement is pretty high and makes cashing out more difficult. Yet, if you manage to complete it, you can withdraw up to £250.

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Crystal Slots Casino Bonuses
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&Cs apply.
VoodooDreams Casino Logo
Featured

100% UP TO £50 + 50 SPINS

4.4 / 5

Min. Deposit

£20

Slot Games

1100

Bonus Terms

To qualify for this promotion, you must deposit at least £20. You must complete the rollover of 60x in 30 days. The spins have no wagering requirements and must be used within three days on Book of the Dead. You can cash out up to £500.

Pros and Cons

Pros

  • The spins have no wagering requirements.
  • Maximum cashout of up to £500.

Cons

  • Only three days to use the spins.
Bonus Verdict

The spins come with no wagering conditions, meaning that all the generated funds go straight to your real money balance. This makes the bonus suitable for all slot players.

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VoodooDreams Casino Bonuses
Must be 18+ to use. Welcome offer for new players residing in Great Britain only. Bonus 100% of the deposit. Maximum £50 bonus. Minimum deposit: £20. Welcome Deposit Bonus wins are capped at £500. Max bet with active bonus: £2. Wagering requirement: 30x sum of deposit + bonus. The 50 Free Spins can only be used on the Book of Dead game. Winnings from these Free Spins are credited as real money with no wagering requirement. Maximum Free Spins winnings: £100. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. This offer is valid for use on the first deposit only, with no expiration date. Deposit Bonus expires after 30 days if wagering requirement has not been met. Free Spins expire after 3 days. One bonus allowed per person, address, device, IP. Own payment methods only. www.gambleaware.org.
Conquer Casino Logo
Featured

100% UP TO £100 + 10 SPINS

4.5 / 5

Min. Deposit

£10

Slot Games

2812

  • 100% up to £100
  • 10 bonus spins on Starburst
Terms of the Promotion

To get this offer, create a new account and deposit the minimum amount of £10. This bonus is valid for 30 days and you have 7 days to use the spins.

The bonus funds and turnover come with a 50x wagering requirement. After fulfilling the condition, you may withdraw 3x the bonus amount. For the extra spins, the max conversion stands at £20.

Pros and Cons

Pros

  • You may cash out up to 3 times your initial bonus
  • You have 30 days to use the bonus, which is significantly long

Cons

  • The required wagering of 50x is high
Bonus Verdict

This offer is ideal for British gamblers seeking an outstanding £100 bonus for a small £10 deposit. The bonus can be used on one of the most popular games.

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Conquer Casino Bonuses
Wagering occurs from real balance first. 50x wagering the bonus or any winnings generated from free spins, contribution may vary per game. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days/ free spins valid for 7 days from issue. Max conversion: 3 times the bonus amount or from free spins: £20. Excluded Skrill deposits #ad begambleaware.org
Online Casino London Logo
Featured

UP TO 500 FREE SPINS

4.3 / 5

Min. Deposit

£10

Slot Games

3604

Bonus Details

Players that make the first deposit of at least £10 at this casino can access this 500 bonus spins. Yet, know that these are randomly given, and it all depends on the Mega Reel spin that is actually given with the bonus.

Other prizes include lower amounts of spins, Amazon Vouchers, or even no bonus reward at all. The spins have 65x wagering requirements, and the maximum you can convert is up to £250.

Pros and Cons

Pros

  • Many free spins offered on a £10 deposit

Cons

  • The maximum conversion is tied to the lifetime deposits, which for some can be as low as £10
Bonus Verdict

UK players who want to try the most popular slot in the industry can consider this free spins bonus. The rounds are credited on Starburst, but when it comes to the 65x wagering it can be difficult for some players to meet these requirements.

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Online Casino London Bonuses
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&Cs apply 18+, begambleaware, #ad

Best Online Slots Bonus Offers and How We Score Them

The essential details we presented regarding slot bonuses and their features are only the beginning of how we review platforms and promotions.

Criteria Description How We Rate Example
Bonus Value This concept refers to the total value of the offer The bonus value is an essential rating criterion at KingCasinoBonus because it will determine the gameplay time. Betfred’s 200 spins for a £10 deposit is an example of a high-value offer with no playthrough requirements, compared to 30 FS at Bally.
Wagering Requirements Wagering requirements refer to how often you must wager the additional funds to cash out. Another essential rating criterion is the wagering requirements. A high wagering makes a bonus difficult. Bally’s FS is the best example of an easy bonus for inexperienced players.
Game Contribution The percentage of different games that contribute towards meeting the wagering requirements. We will always rate those bonuses higher with 100% slot contribution. At Midnite Casino, slots contribute 100%, helping players clear wagering quickly on popular games
Bonus Accessibility How easy it is to claim the bonus, including the deposit amount, bonus code requirements, and opt-in processes. We value bonuses that are easy to claim without complicated processes, ensuring smooth user experience. Virgin Games Casino’s spins for new players are easy to claim; you only have to make the minimum deposit.
Payout Speed This term refers to how quickly you can receive your funds. A fast-withdrawal casino will always be ahead of many. The best example of a slot bonus with fast withdrawal is MrQ since the cashout is under one hour.
License & Regulation Whether the casino holds a UK Gambling Commission (UKGC) license and complies with legal standards. Only UKGC-licensed casinos are reviewed to ensure player safety and adherence to legal requirements. All the casinos listed are UKGC-licensed.
User Experience The overall experience of navigating the platform, including mobile compatibility and design. Casinos with user-friendly interfaces and mobile compatibility are rated higher for a seamless gaming experience. MrQ Casino’s minimalist design and fast-loading mobile version provide an excellent user experience.

Your Guide to UK Slots Welcome Bonuses by King’s Specialists

Variety-of-UK-Slots-Welcome-Bonuses-Explained Once you have exhausted the no-deposit sign-up slots 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 bonus on deposit 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 slots welcome bonus is by making a low investment. Parimatch lets you claim slots bonuses with £5 and they come with low rollover requirements. Check some highlights from our lists of 5-pound and £10 deposit slots bonuses for slots:

  • MadSlots – 100 free rounds for £10
  • Electric Spins – slots bonus and extra 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 wager-free rounds slots bonuses.

Wager-Free UK slots bonuses: best bang for your penny

When choosing the best no deposit slots bonus 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 slots bonus. You may consider no rollover UK bonuses for slots, where your winnings turn into cashable funds as some of the most recommended options for this concern:

5 Mobile Slot Casinos with Welcome Bonuses

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 slots bonuses anytime, and start spinning the reels of the best slots anywhere:

  1. MobileWins: 150% up to £100 + 20 wager-free rounds
  2. LuckyVIP: 100% up to £100 (play slots and get an extra live casino bonus)
  3. QuinnBet: Pay £10 and Get 50 No Rollover Spins for Reel Diamonds
  4. Megacasino: Top-up £10 and get 100 Rounds on Book of Dead
  5. FruitKings: 100% up to £50 + 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 slot bonus UK 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 slots bonuses.

Learn to Choose the Right Sign-up Slots Bonus Offer

How-to-Choose-Online-Slots-Sign-up-Bonus-Offers Our slots bonuses experts provide you with the most important features you should look at before you choose

  • Licensed casinos – it is important to only pick offers from licensed online casinos. Holding a license from the UKGC is not only proof of quality but also strict legal supervision 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 or iTechLabs.
  • Game variety –  you should make sure you choose gambling sites with an extensive selection of games. Slot titles are a priority, but operators should also host a catalogue of table games and live dealer titles. Most of the sites we feature in our ranking of the best slot bonus UK casinos have over 450 slots and more than 30 live dealer games to pick from.
  • Appealing transaction policies – the platform you choose should allow using your preferred banking options and have reasonable transaction limits. Quick processing times are a must. So, 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 attributes you can consider when you compare the best slot bonus UK casinos offer. Slots welcome bonus offers in the UK are intended to attract new customers by appealing to beginners and providing deposit-free rewards.

However, you should still consider several qualities for these options. You should consult the wagering conditions. Some platforms will impose stricter requirements. 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 bonus offers will require you to complete the KYC verifications. Send your data as soon as you register, as the processing period may vary. Additionally, slots bonuses will belong to one of two types: no deposit slots bonus 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 slots bonus offers make it worthwhile to devote a separate selection just for them.

How to Claim Slot Bonuses: Step-by-step Tutorial

Make your slots deposit bonus claiming process quicker with these simple steps: Follow these simple steps to claim your slots deposit bonus quickly and maximise your rewards:

  1. Sign Up at a Reputable Online Casino
  2. Navigate to the Promotions Section
  3. Read the Promo Terms and Conditions
  4. Opt-In for the Promotion
  5. Make a Qualifying Deposit
  6. Receive Your Bonus
  7. Start Playing

Usually Used Slots for Bonuses in UK

Best Game Provider Reels/Paylines Minimum Bet Maximum Bet RTP Maximum Win Unique Features Why we recommend it
777 Deluxe IGT 5 reels / 10 paylines £0.20 £100 96.18% 20,000x Classic fruit game with modern design, frameless reels, progressive ‘hot drop’ jackpot. High payout potential
Buffalo Blitz Playtech 6 reels / 4096 paylines £0.20 £250 95.96% 10,000x Wildlife theme, up to 100 retriggerable spins, wild multipliers. Many free spins
Book of Oz Microgaming 5 reels / 10 paylines £0.10 £100 96.31% 5,000x Oz-themed, re-spin feature, spins with expanding symbols. Engaging bonus rounds
Legacy of Dead Play’n GO 5 reels / 10 paylines £0.10 £100 96.58% 5,000x Egyptian theme, high volatility, spins with expanding symbols, wild scatter symbol. High volatility thrills
Starburst NetEnt 5 reels / 10 paylines £0.10 £100 96.09% 500x Futuristic theme, expanding wilds with re-spins, popular for no-deposit spins. Easy to play

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 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 slots bonus 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 slot bonuses 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 rounds on specific gaming products

British gamblers can find online slots bonus options created explicitly for them. Naturally, most options will represent promo spins. The most popular option among slots bonuses must be NetEnt’s hit title. Countless high-grade platforms provide Starburst no deposit extra 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 rounds 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 slots bonuses linked to popular titles. We recommend that you check out the extended Rich Wilde franchise.

Provider-based slots bonuses

If you do not want to limit your gameplay to one title, opt for provider-specific promotions, like NetEnt extra 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 slots 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 rollover 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 slots 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. Slots 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

Bonus Policy Terms to Be Aware Of When Using a Slot Bonus

Key-Rules-to-Understand-for-Slots-Welcome-Bonuses

Rules for slots bonuses Industry average
Wagering conditions 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

Rollover requirements

Wagering conditions 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 rollover 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 slots 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 offers, and a wide range of slots bonuses besides them often encounter such limits, while deposit options are more lenient.

All About Slots Welcome Bonus Wagering Contributions

When you sign up for a slots welcome bonus at an online casino, it’s important to understand how your bets contribute towards completing the promotional requirements. Let’s see how different game types affect your rollover progress.

100% Wagering Contributions

When you play with a slots bonus, every bet you make usually contributes 100% towards meeting the wagering conditions. For example, if you play with the Ice365 slots bonus, every £1 you wager on any slot title will progress your rollover requirement with £1.

0% Contribution Games

Keep in mind not all casino games are equal when it comes to fulfilling your bonus requirements. Some games, mainly table games, jackpots and live dealers, don’t contribute at all most of the time. These games usually offer you a higher mathematical edge over the house, making them unprofitable for the gaming operators.

Among the examples you will find table games like blackjack and roulette, as well as specific video poker variants and most live casino games. If you want to play live dealer games with promotional funds, you can try out any of our live casino bonus codes to ensure you progress your requirements while playing your favourite tables.

50% Wagering Contribution Slots

Also, there are cases where slots may not contribute fully but still give significant progress towards clearing your slots bonus. For instance, at some casinos under the Casino Rewards network, slots developed by NetEnt may contribute only 50%. Similarly, some slots may have a 50% contribution rate at casinos powered by Aspire Global.

This means that for every £1 you wager on these slots, only £0.50 will count towards meeting your promotional requirements. While not as favourable as 100%, it’s still a good contribution, allowing you to progress towards unlocking your promotional winnings.

9 Tips When Using Slot Bonuses UK

  1. Play games from accredited providers, at licensed casinos.
  2. Always start with a new no deposit offer to try out the casino.
  3. Pick your slots bonus  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 slots bonuses to be a source of revenue. While profits can occur, these instances are only outliers.

There are Slot Bonuses for Existing Players, Too

The promotions that will let you play with an active slots 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 slots 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 slots bonus up to £50 each week when you lose more than you win playing slots or table.
  3. The promotions comes as free play on slots
  4. 1x wagering

Slots Bonus via VIP Scheme

Getting slots bonuses through a VIP scheme is reserved for top-tier players. You can get exclusive perks like personalised offers, gifts, event invites, and slots bonuses tailored to your game preferences. Slots bonuses via a VIP programme reflect your loyalty status. As you play more rounds and move up VIP levels, you unlock boosted match offers, extra 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 slots bonus funds.

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 slots bonus funds.

Birthday Slots Bonus

Whenever you play on a UKGC-licensed gaming site, you are required to complete the KYC verification with your personal documents. Some casinos choose to reward you for your loyalty with tailored slots bonuses on your birthday to show their appreciation.

What Payment Method to Use When Claiming Slot Bonuses UK

Maximizing-Your-Slot-Bonus-Based-on-Payments-Methods You may choose the best slots bonuses 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.

Alexandra Camelia Dedu's 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.