Newest 400% Casino Bonuses

Coral Casino logo
1
Featured

500% UP TO £10

Play

3.8

kingcasinobonus

Min. Deposit

£10

Wagering

40X (Bonus)

Match Pecentage

500%

Online Since

2002

Promotional Rules

Make a £10 minimum deposit after signing up on the website. You will receive the bonus after you wager the deposit on the casino. The offer must be claimed within 14 days of registration.

You have to complete a 40x wagering requirement in 30 days before you can withdraw your bonus fund. Slots, table games, and live casino games are all eligible for this promotion.

Pros and Cons

Pros

  • You may play various game types with this promotion
  • You have plenty of time to wager the bonus within 30 days

Cons

  • Not all payment methods are eligible to claim this offer
Bonus Verdict

This promotion is a great opportunity for new players to explore various casino games. Gamblers can use their deposit and bonus on several game types such as slots, table games and live dealer sessions.

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New customers only. Min spend £10 on qualifying games. Certain deposit types excluded. £50 Bonus on selected games subject to 40x wager req. Must accept within 14 days, valid for 30 days. Player restrictions T&C Apply, 18+
BetVictor Casino logo
2
Featured

WAGER £10 GET £50

3.9

kingcasinobonus

Min. Deposit

£10

Wagering

40X (Bonus)

Match Pecentage

500%

Online Since

2012

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 installment 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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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
Unibet Casino logo
3
Featured

DEPOSIT £10 PLAY WITH £50

Play

4.5

kingcasinobonus

Min. Deposit

£10

Wagering

50X (Bonus)

Match Pecentage

400%

Online Since

1997

Bonus Terms

To claim the bonus, you must opt-in within 24 hours and use it within 30 days before it expires. After receiving the promotion, you will have to wager it 50 times before a cashout is possible.

Pros & Cons

Pros:

  • You acquire a £40 bonus for just a £10 deposit

Cons:

  • High rollover of 50x
Bonus Verdict

This bonus is perfect for those just getting started in the gambling world since players receive £40 for just a £10 deposit. Unibet Casino also set a 30-day expiry time, leaving punters enough time to wager their promotion.

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New Customers Only. Minimum deposit £10. 50x wagering requirement apply. Bonus will expire 30 days after opt-in T&C Apply, 18+
Robinhood Bingo logo
4
Featured

DEPOSIT £10 GET 400% UP TO £100 + 50 SPINS

Play

4.2

kingcasinobonus

Min. Deposit

£10

Wagering

40X (Bonus)

Match Pecentage

400%

Online Since

2012

  • 400% up to £100 bingo bonus
  • 50 bonus spins on Enchanted Prince
Bonus Info & Claim Details

This promotion can only be claimed by making a £10deposit at this casino. The bingo bonus match has wagering requirements of 4x, while the spins have to be wagered at least 35 times.

Also, the spins will be granted in 2 vouchers, with one per day containing 25 spins. Each batch will expire after 3 days, and the maximum you can win is £7.5.

Pros & Cons

Pros

  • The match percentage is very high compared to similar promotions
  • Low wagering requirement of 4x for the bingo bonus

Cons

  • Winnings from free spins are capped at a low value of only £7.5
Bonus Verdict

This bonus is a great way for casual slots players to extend their gambling horizons and try out bingo, as it offers both spins and bingo funds. Yet, the spins can only be played on one slot, so there isn’t much diversity.

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New players, min dep £10 for 400% bingo bonus up to £100 + 50 Free spins [FS]. Bingo bonus WR: 4x (deposit+bonus). Spins on Enchanted Prince at £12.5, WR: 85x(bonus).FS wins are granted in games bonus after all FS are used. Games Bonus wins cap: £100 + the initial bonus amount. Wagering req, Vary by game. Deposit can be withdrawn at any time T&C Apply, 18+

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.

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How We Review a 400 Percent Deposit Bonus Casinos in 2023

How We Review a 400 Percent Deposit Bonus Casinos in 2023

We have simplified our criteria to help our subscribers understand our research methods. Vlad George Nita has gathered factual data to show you that we provide the best 400% casino bonuses.

We started from a list of 20 bonuses and after testing each site, the selection was trimmed down to 4. Our experts check each site for at least 5 hours, aiming to meet the wagering and cashout.

Please take a look at our tools of expertise.

Minimum deposit offer and bonus value

British players must deposit a minimum amount to activate their 400% bonuses. We strive to select offers with the lowest possible minimum deposit. Yet, this value may differ from one casino to the next, ranging from £5 to £20.

Payment options

Most operators limit the types of payments you can use to claim a bonus to debit cards and one or two e-wallets. However, there should be some flexibility.

Wagering requirements

The appealing 400% first deposit welcome bonus percentage usually comes with high wagering requirements. However, we always prioritize the most convenient offers when researching 400% deposit bonuses in the UK.

Eligible games and bets

Our experts know which casino games you should play to clear out playthrough requirements faster. So, a vital part of our methodology is checking the bonus policy for eligible games. 400% first deposit bonuses that allow you to play many game types get extra points from our reviewers.

Cashout limit

Online casino play is not a source of income, but it’s a good idea to play with a goal in mind. Our experts analyze cashout limits for each 400% match bonus we recommend, anticipating a value of at least 5 times your initial deposit.

Bonus Availability

Besides every deep expertise regarding the deposit, cash out limit, et cetera, one key factor that helped us to make a clear view of the casino’s fairness is the casino welcome bonus, how generous the prize can be, and how the casino’s authority writes the bonus policy. If a casino doesn’t have a bonus available, in many cases, that casino is something that you don’t want to visit.

How We Test 400% Online Casino Bonus Offers

Without exception, our Best UK casino bonuses must pass a multi-step testing procedure. A closer view of our process will help you decide whether you should deposit and get a 400% bonus.

How We Test 400% Online Casino Bonus Offers

  • Research phase: Our team first gathers a list of operators that give out 1st deposit 400% bonuses. Then, the list is filtered only to feature legit United Kingdom casino operators.
  • Account creation and KYC: The first step of the actual review process is creating and verifying an account following the casino’s terms and conditions.
  • Real money deposit: When all prerequisites are met, we casino with a 400 the minimum eligible amount and activate the 400% bonus. This way, our testing phase mirrors the average British player’s experience.
  • Playing different casino games: With 400% bonuses, your bankroll multiplies 5 times so you can play quite a few games even with a low deposit. That’s what our experts do. We play the resulting balance in different games, noting the technical performance.

Be Aware of 400 Casino Bonus Terms in UK

400% bonus terms and conditions to be aware of Explanation
Limited bonus value The value of a 400% bonus rarely exceeds £1000 bonus funds, which may be lower than 300% or lower percentages.
Potentially high wagering requirement Since you multiply your funds so intensely, you can expect to wager the bonus 40 times
Excluded slots from bonus wagering Playing excluded games will lead to your bonus winnings being cancelled.
Low contribution to wagering in table games and video poker Table games may sometimes be excluded entirely, but they will contribute around 2-20% of their value in any other case.
Limited contribution to wagering in live dealer games For most 400% casino bonuses, the bets you place in live games will only count around 2-10% of their value.
Excluded bets Some bets may cancel your bonus, for example, even money in roulette and doubling in slots
Maximum bonus bet amount Generally, you should bet less than 10% or £5 to stay on the safe side. You can only keep what you win if your bets do not exceed this limit. A few UK casinos may have a $2.5/bet limit.
Restrictions on payment methods Debit cards are likely the only accepted form of payment.
Maximum cashout limit Your final payout will be trimmed down if you complete the wagering and win more than the limit.

Although we can vouch for the fairness of our best online casinos, the rules differ slightly between casinos. Before registering and claiming your 400% casino bonuses, remember to scan the Terms and Conditions because sometimes you cannot withdraw the bonus money before the wagering requirement.

400 Welcome Bonus for Casino Games for New UK Players

400 Welcome Bonus for Casino Games for New UK Players

If you want to try out a new online casino in the UK, ensure it’s licensed. You can play many low-stakes slots with a 400% casino bonus.

High-rollers looking to profit the most off creating their account for the first time can benefit from 400% deposit bonus percentages. However, remember to keep your stakes on the low end to avoid being classified as a bonus abuser because generous bonuses come with high responsibility.

Avoid breaching your 400% bonus Terms in any shape or form. In that case, the casino will quickly enforce penalties for your violations.

Eligible slot games at most UK casinos

Top slots to play with 400% bonuses

  1. Immortal Romance (Microgaming)
  2. Finn and the Swirly Spinn (NetEnt)
  3. 9 Masks of Fire (Microgaming)
  4. Fire Joker (Play’n Go)
  5. Starburst (NetEnt)
  6. Rainbow Riches (Barcrest)
  7. Book of Dead (Play’n Go)

UK casinos with 400% deposit bonuses let you play these slots without exception. Claim Book of Dead spins with no deposit before you commit financially.

Frequently excluded slots

  1. 1429 Uncharted Seas (Playtech)
  2. Blood Suckers (NetEnt)
  3. Untamed Wolf Pack (Microgaming)
  4. Dead or Alive 2 (NetEnt)
  5. Beautiful Bones (Microgaming)
  6. The Wish Master (NetEnt)
  7. Eye of the Kraken (Play’n Go)

400% Bonus for Table Games and Live Dealer Games

400% Bonus for Table Games and Live Dealer Games

UK players who prefer card games or roulette can play with their 400% deposit bonuses. Still, the wagering progress will be more challenging due to the limited game contributions.

The highest contributions for live games may reach 10%, and you’ll find them at the best live dealer casinos in the UK.

Live Dealer Casino Welcome Package Alternatives

Our experts have tested diverse live dealer casinos’ welcome offers in the UK industry to provide you with more quality casinos with different bonuses. All you have to do is visit those casinos and make your first deposit. The prizes are very generous, and you don’t need a promo code.

Best Top Live Dealer Casino Bonus Type Wagering Max. Withdrawal
Mr.Play Casino 200% up to £40 35x Not Mentioned
Voodoo Dreams 100% up to £50 30x £500
21.co.uk Casino 100% up to £50 + £6 live casino chips 40x £50 from chips

While these bonuses match your deposit by 400, some of the bonuses we recommended have a relatively high minimum deposit of £20. Play with a lower 10-pound minimum deposit amount on a live casino that’s equally good.

Popular table games’ wagering contribution

Table games Wagering contribution
European Roulette (Play’n Go) 20% (SkyCity Casino)
French Roulette Gold (Microgaming) 50% (Caxino Casino)
Fortune Pai Gow Poker (Playtech) 20% (888 Casino)
Multihand Blackjack (Pragmatic Play) 10% (888 Casino)
Punto Banco Baccarat (Red Tiger) 50% (Caxino Casino)
Classic Blackjack Gold Series (Microgaming) 2% (Jackpot City Casino)

Live dealer games wagering contribution

Live dealer games Wagering contribution
Immersive Roulette (Evolution) 50% (Caxino Casino)
Lightning Roulette Live (Evolution) 10% (Dunder Casino)
One Live Blackjack (Pragmatic Play) 10% (888 Casino)
Speed Roulette Live (Evolution) 8% (JackpotCity Casino)
Speed Baccarat Live (Evolution) 50%
Dream Catcher (Evolution) 50%
Deal or No Deal Live (Evolution) 50%

Accepted Payment Methods

Payment service Deposit range Cashout range Cash-out processing time
VISA £1 – £10,000 £1 – £10,000 1-3 days
Mastercard £1 – £10,000 £1 – £10,000 1-3 days
PayPal £1 – £5,000 £1 – £5,000 Instant – 1 day
Skrill £1 – £5,000 £1 – £5,000 Instant – 1 day
Neteller £1 – $5,000 £1 – £5,000 Instant – 1 day

UK players who use e-wallets to make their first deposit should claim a 400% deposit bonus, but be aware that your maximum bet may be reduced to £2.5.

Final Verdict on the 400 Deposit Bonus Casino Sites

Online casinos rarely offer 400 % bonuses in the United Kingdom, but you’re likely here for the high match percentage anyway. That’s the primary benefit of the 400% bonus. Claim this bonus only once you study the bonus terms attentively. Wagering your 400% casino bonuses 70 times may be challenging, especially considering the betting limitations presented throughout this article.

Pros

  • Play more games with less
  • High match percentage
  • Visa and e-wallets accepted

Cons

  • Few UK casinos offer a 400 bonus
  • Low live dealer contributions at some sites

Alternative Casinos with Different Deposit Match

To spice things up in the field of minimum deposit match bonuses other than 400%, and if you are a casino player who looks after generous slot bonuses, make sure you give these casinos a chance. Note that these bonuses are available when you make your first deposit.

  1. Coral Casino – This household UK casino rewards your registration with a top 500% casino bonus when you make your first deposit.
  2. Kaiser Casino – When you deposit £10, you’ll grab 250% up to £35 bonus amount, and the wagering requirement is 35x, which is attainable. Note that you must use promo code “250” if you want to activate this offer, and you must create an account. Check other 300% bonuses with a higher value.
  3. At Trada Casino, if you make a payment of £20 and you type in the bonus code “200UK,” you get 200% up to £40 + 100 free spin on Book of Dead. Be aware that you will stumble upon a high wagering requirement of 60x with this 200% deposit bonus. Your bonus spins expire after 24 hours.
  4. MadSlots Casino bonuses include a deposit of £10 to get 100% up to £200 with a standard playthrough of 30 times to cash out £100

After all, a 400 per cent bonus is very generous, but it has some complex rules, and the alternate casinos can balance everything. Ensure you visit our page with the best first deposit bonuses and the listing with 100% casino deposit bonuses.

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.
Ionut Catalin Marin is the CEO of KingCasinoBonus and a trusted authority in the UK online casino scene. With +7 years of experience in the industry, he meticulously evaluates, rates and compares online casinos to provide British players with an accurate and user-focused list of the best casino sites and bonuses.