Find the best casino bonus UK for your needs from Casino Professor. Our team of experts have reviewed and rated the top casino bonus sites that are all legal and licensed by the UK Gambling Commission.
We update our casino bonus page regularly and also have managed to get few exclusive offers that are only available when you sign up via us. Most of the bonus offers on this page don’t require a bonus code, but we mention about it whenever it is needed.
Welcome bonus or first deposit bonus is typically the best offer. And these are exactly the types of UK casino bonuses that we list. Here are our top picks:
50 Free Spins credited upon your first £10 deposit on Big Bass Splash slot only, valued at 10p per spin. Free Spins must be used within 48 hours of qualifying. All winnings are uncapped and credited to your real money balance. Full T&Cs apply. Not available in NI. 18+. BeGambleaware.org.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+, New customers only, register, deposit and stake £20 on Big Bass Bonanza within 7 days, and claim 100 Free spins on Big Bass Bonanza. Free spins expire 30 days after credited. Ends 31/12/25 at 23:59 GMT. Full T&Cs Apply. begambleaware.org.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New Players only. Minimum deposit £15. Must spend a minimum of £15 on Qualifying Games within 48 hours of first deposit being made to get 50 Free Spins on Bigger Bass Bonanza. Free Spins have no wagering requirements. Max win of £100 from these Free Spins. T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players in GB only. 100% deposit bonus up to £100. Min. deposit: £20. Max Bonus wins: £500. Max bet with active bonus: £2. Wagering requirement: 30x sum of deposit + bonus. 100 Free Spins applicable to Book of Dead only: 20 Free Spins per day for 5 days. Daily login required. Maximum Free Spins winnings: £100. Winnings credited as bonus money with a 45x wagering requirement. Game restrictions apply. Games contribute differently when wagering a bonus. First deposit only, no expiration date. Deposit bonus expiration: 30 days if not wagered. Free spins expiration: 3 days. One bonus per person/address/device/IP. Own payment methods only. www.gambleaware.org Full T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New Players Only. GambleAware.org Minimum Deposit £20, 40x Wagering in 7 days, Qualifying Deposit played first, Max Bet £5, Max Win applies., Certain games excluded, Spin value £0.1 each. Full T&Cs apply. Take time to think.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+ begambleaware.org. New Customers only. Minimum Deposit £10 and Get £40 in Casino Bonus Funds. Debit card only. Up to 50x wagering, game contributions vary, max. stake applies, new customers must opt in and claim offer within 24 hours and use within 30 days. Full terms apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New customers only. 100% Deposit Bonus up to £100 on the first deposit. 30x wagering on Deposit and Bonus (game weighting applies) + 50 Bonus Spins (Big Bass Bonanza) of £0.10. Min. deposit £20. Play responsibly. GambleAware.org. T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+, New customers only. Opt-in and wager £20 or more on selected games within 14 days of registration. Get 100 Free Spins for selected games, valued at 10p per spin and valid for 7 days. T&Cs apply. GambleAware.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew players only. One offer per player. Min deposit £20. Max bonus bet £5. Offer: 100% bonus match on 1st deposit up to £247 + 100 free spins + 1 Scratchcard. Minimum wagering of £20 required to unlock the scratchcard, details & terms sent via inbox. Free spins expire in 72h, winnings capped at £100, credited as cash and are immediately withdrawable. Bonus funds expire in 30 days and are subject to 25x wagering the total bonus & deposit. Only bonus funds count towards wagering contribution. Affordability checks and Terms apply. Please Gamble Responsibly. GambleAware.org.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyFirst deposit only. This offer is only available for first time depositors. Min deposit is £10. 80 Free Spins on Big Bass Bonanza. Spin Value: £0.10. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. OJO’s Rewards and Game Play policy applies.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply#AD | Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £10 | No max cash out | Wagering is 40x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Skrill & Neteller deposits excluded for welcome bonus | Cashback when offered, applies to deposits where no bonus is included | Cashback is cash with no restrictions
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew cust only. Opt-in required. Time to deposit/wager 7 days. Deposit £10 & wager 1x on casino games (wagering contributions vary) for 200 Free Spins worth 10p each on Big Bass Splash. 3 day reward expiry. 18+. T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew customers only. Opt-in required. 100% Match Bonus up to £50 on 1st deposit of £10+. 50x wagering & game weighting applies. Debit Card deposits only (exclusions apply). This offer is valid for 7 days from your new account being registered. 18+. GambleAware.org. Bet The Responsible Way. Full Terms Apply
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players only. Min deposit £20. Offer: 150% first deposit bonus up to £30 on slots + 50 wager-free spins valid on Big Bass Splash. To claim the spins: min of £20 first cash deposit wagered on slots by 23:59 GMT. Spins credited the next day and valid until 23:59 GMT. Spin winnings credited as cash and capped at £100. Bonus funds are separate to cash funds and subject to 40x wagering requirement (bonus + deposit). Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days. Affordability checks apply. Terms Apply. GambleAware.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+ New Customers. Opt in. Deposit & play £10 anywhere on site except any Blackjack or Roulette Games within 7 days. Get 150 Free Spins on Joker’s Jewels Wild. Rewards expire after 7 days. T&Cs apply. GambleAware.org | Please gamble responsibly
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New customers only. Min 1st deposit & spend £10 on Slots (Slingo excl) to get £40 Slots Bonus (40x wagering, valid 7 days, selected games). Valid for 7 days of registration date. Payment method restrictions and T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New customers only. Min 1st deposit & spend £10 on Slots to get £40 Slots Bonus (40 x wagering, valid 7 days, selected games). Valid for 7 days of registration date. Payment method restrictions and T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyFor new 888casino UK/Ireland customers. Min £10 first deposit (NETELLER/Skrill excluded). 100% bonus equal to the deposit, up to £200. Must claim bonus via email/pop-up/My Account within 48 hours. 40x wagering req applies and must be met within 90 days on selected games. www.gambleaware.org. #ad Full Ts&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew 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+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. Play Safe. New UK online customers only using promo code BBS200. Opt in required. Deposit & wager min £10 to claim 200 free spins at 10p per spin to be use on Big Bass Splash. 1x per customer. Free spins expires 72 hours from issue. Max £30 redeemable on free spin winnings. Payment methods restricted. Full T&Cs apply. #ad
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyOpt-In Required. New players, single deposit of £10+. Cash & wagering conditions vary. Max reward £150. 7 days to claim + further 7 days to wager 35x. 50 FS 10p each awarded on Big Bass Splash after wagering, 3 day expiry. 18+. Exclusions & T&Cs Apply
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt/Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Jammin' Jars, Spin Value: £0.1. WR of 30x Deposit + Bonus amount and 60x Extra Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the extra spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players only. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £20. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £300 plus 50 bonus spins on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Affordability checks apply. Terms apply. Please gamble responsibly. GambleAware.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew members only, must opt in. Min £10 deposit & wager (excl. sports betting). 30 day expiry from deposit. 18+. Free Spins: on Secrets of the Phoenix Megaways. Spins value: 20p each. Game availability & restrictions apply. Daily Free Games after first £10 deposit. Further terms apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew customers only. Opt In required. £/€10 min stake on Casino slots within 30 days of registration. Max bonus 200 Free Spins on selected games credited within 48 hours. Free Spins expire after 7 days. iOS app restrictions may apply. Email/SMS validation may apply. Not available in NI. Full T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+ New Players Only. Minimum Deposit £10, Wagering Requirements: 35x. Bonus balance is paid with 10% installments to balance. Bonus balance is not payable. Max bet is £20. Account balance is withdrawable at any time. Upon withdrawal, any remaining bonus balance or bonus spins is forfeited. 7 days to activate the spins. Bonus spins expire 24 hours after activation. T&C Apply. New Customers Only. Please Play Responsibly. BeGambleAware.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew Players Only. Bonus valid 30 Days from receipt. Max conversion: £500. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New Players Only. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from bonus spins credited as bonus funds and capped at £100. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £250 plus 20 bonus spins on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Affordability checks apply. Terms apply. Please Gamble Responsibly. www.gambleaware.org.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply#AD 18+, New customers only, min deposit £10, wagering 60x for refund bonus, max bet £5 with bonus funds. Free Spins bonus has x40 wagering. 23 free spins on registration (max withdrawal is £100). 100% refund bonus up to £111 + 77 spins on 1st deposit. No max cash out on deposit offers. Eligibility is restricted for suspected abuse. Welcome bonus excluded for players depositing with Ecopayz, Skrill or Neteller. Full T&Cs apply. Begambleaware.org. Gamble Responsibly.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+ | Play responsibly | https://www.begambleaware.org | User Agreement & Bonus T&Cs apply 1st deposit only | min deposit £10 | max bet £2 | max bonus £100 | max cashout x3 the bonus | max cashout from spin winnings £100 | x40 wagering on bonus and bonus spin winnings | 30-day bonus expiry | 24-hour bonus spins expiry | bonus is valid for selected games only
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew customers only. Opt in & deposit £10+ in 7 days & wager 1x in 7 days on any eligible casino game (excluding live casino and table games) for 50 Free Spins. Wagering contributions vary. Free Spins worth 10p each on Big Bass Splash. 3 day expiry. Exclusions apply. 18+. T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+ | New players only. Min Dep £20 Max Bonus Bet £5 Offer: 100% of 1st deposit up to £300 + 100 Zee Spins on Starburst (first 10 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each 10 spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply Full Terms Apply. | Please Play Responsibly. | GamblingTherapy.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew casino players only. Min deposit £20 with ‘FIRST500’ required. Max deposit £500. 5 redemption points per £1 required to convert Casino Instant Bonus into cash. Casino Instant and Free Spins expire in 7 days. Selected Slots only. Terms apply. 18+ Play responsibly. BeGambleAware.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply#AD. Welcome bonus for new players only. Maximum bonus is 100% up to £100. Minimum deposit is £20. No max cash out. Wagering is 35x bonus. Maximum bet with an active bonus is £5. Eligibility is restricted for suspected abuse. Cashback is cash with no restriction. Skrill and Neteller deposits are excluded. Cashback applies to deposits where no bonus is included. Gambling can be addictive. Play responsibly. Full T&C’s apply. 18+
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew cust only. Opt in & deposit £10+ in 7 days & wager 1x in 7 days on any eligible casino game (excluding live casino and table games) for 50 Free Spins. Wagering contributions vary. Free Spins worth 10p each on Big Bass Splash. 3 day expiry. 18+. T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £250 on Slots + 100 Yoo Spins 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 expire after 23:59GMT on day they’re credited. Winnings from each 20 spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Only bonus funds contribute to wagering requirements. Affordability checks apply. Full terms apply. BeGambleAware.org.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players in GB only. 100% deposit bonus up to £50. Min. deposit: £20. Max Bonus wins: £500. Max bet with active bonus: £2. Wagering requirement: 30x sum of deposit + bonus. 50 Free Spins on Book of Dead only. Winnings from Free Spins credited as real money with no wagering requirement. Maximum Free Spins winnings: £100. Game restrictions apply. Games contribute differently when wagering a bonus. First deposit only, no expiration date. Deposit bonus expiration: 30 days if not wagered. Free spins expiration: 3 days. One bonus per person/address/device/IP. Own payment methods only. www.gambleaware.org Full T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew customers only. £10 min deposit. Opt-in and Bet £10+ on any slot, 100 Free Spins on Big Bass Splash, £0.10 per spin. Winnings paid as cash, £100 Max win. Additional T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players in GB only. 100% deposit bonus up to £50. Min. deposit: £20. Max Bonus wins: £500. Max bet with active bonus: £2. Wagering requirement: 30x sum of deposit + bonus. 50 Free Spins on Book of Dead only. Winnings from Free Spins credited as real money with no wagering requirement. Maximum Free Spins winnings: £100. Game restrictions apply. Games contribute differently when wagering a bonus. First deposit only, no expiration date. Deposit bonus expiration: 30 days if not wagered. Free spins expiration: 3 days. One bonus per person/address/device/IP. Own payment methods only. www.gambleaware.org Full T&Cs apply.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applyNew accounts only. Min Deposit £10, 50x Wagering. Claim offer within 7 days, bonus expires after 30 days, debit card or instant bank payment only. Game contributions vary, max. stake applies. Full terms apply. 18+. GambleAware.org.
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players only. Min deposit £10. 22 Bonus Spins valid on Starburst. Bonus funds are 100% up to £100. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms Apply. BeGambleAware.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply18+. New players only. Min deposit £10. 20 Bonus Spins valid on Book of Dead. Bonus funds are 100% up to £100. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms Apply. BeGambleAware.org
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply#AD | Welcome bonus for new players only | Maximum bonus is 100% up to £123 | Min deposit is £10 | No max cash out | Wagering is 50x bonus | Maximum bet while playing with a bonus is £5 | Eligibility is restricted for suspected abuse | Skrill and Neteller deposits excluded | Full T&Cs apply
18+ | Gamble responsibly | GambleAware.org | Full T&C’s apply#AD. New players only, min deposit £10, wagering 45x, max bet £5 with bonus funds, 100% up to £100 bonus on 1st deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&C’s apply
18+ | Gamble responsibly | GambleAware.org | Full T&C’s applySince online gambling in the UK is regulated by the UK Gambling Commission, there are some rules that casinos need to follow when offering bonuses. Rules that are set to protect the player and make gambling in general more fair. Which is nice, but it of course limits the size of the casino bonus offers to some extent. But in our opinion, it is more important to have fair terms than large amount of bonus money.
Forfeitable casino bonus means that the bonus money and the real money are separated. So you as a player have the possibility to withdraw the real money at any point in time. Including the potential winnings. UK online casinos also need to make it very clear what money they are using at all times.
In the UK all the terms and conditions apply only to bonus funds. Wagering is the key thing to keep an eye on when comparing casino bonuses. Only bonus funds need to be wagered in the UK as your own funds you can withdraw at any point.
UK casino bonus offers can be either bonus money or free spins. Bonus money has the wagering requirements directly implied but with free spins the bonus wagering is for free spins winnings which essentially are bonus money as well.
Best online casino bonuses are wager-free, but these of course aren’t that common and are always free spins without wagering. For bonus money, 35 times wagering on bonus money is pretty much the best that the market currently offers. Typically wagering need to be done in casino slots as other casino games have lower or non existing wagering contribution.
Unless the wagering is completed within a given time frame the bonus funds expire. Meaning that they will be automatically removed from the account and the bonus balance will drop to zero.
While wagering requirements are the most important thing of any UK casino bonus, you also wanna check:
All UK casino bonus sites need to clearly provide the information above. Of course you as a player have a responsibility to make sure you choose a suitable casino bonus offer for your needs. It’s pretty simple to estimate how long it would for example take you to complete the bonus wagering.
Every casino slot spin in the UK lasts 2 seconds by law. Wagering for example a 100 pounds in bonus funds with 35 times wagering would take roughly two hours when betting 1 pound a spin. Bet two pounds per spin and you have split the time in half.
Best online casino bonuses are suitable for most players. But of course, every player is unique and you should choose a casino bonus that is the best casino bonus for you. Here are some tips what to keep in mind when comparing casino bonuses:
A casino bonus is a promotional offer given by online casinos to attract and retain players. It can come in various forms, such as extra funds on top of deposits, free spins, or cashback on losses.
To claim a casino bonus in the UK, you typically need to register an account with the casino, make a qualifying deposit, and opt-in for the bonus. Some bonuses may require entering a promo code during the sign-up or deposit process.
Yes, there are several types of casino bonuses in the UK, including welcome bonuses, deposit match bonuses, no deposit bonuses, free spins, cashback offers, and loyalty rewards.
Wagering requirements are conditions set by casinos that dictate how many times you need to play through a bonus or winnings from free spins before you can withdraw any winnings.
Generally, you can withdraw your winnings after meeting the casino’s wagering requirements. Some bonuses might have additional terms that restrict withdrawal until certain conditions are met.
While welcome bonuses are for new players, many UK casinos offer ongoing promotions and loyalty programs for existing players, including reload bonuses, free spins, and cashback offers.
Not all games contribute equally to wagering requirements. Slots usually contribute 100%, but table games like blackjack and roulette might contribute less, or not at all. Always check the bonus terms and conditions.
A no deposit bonus is a promotional offer that doesn’t require you to make a deposit to claim it. It usually comes in the form of a small amount of bonus money or free spins.
To find the best casino bonuses, look for offers with generous amounts, low wagering requirements, and terms that suit your playing style. Comparison sites and casino review sites can be helpful resources.
Yes, all casino bonuses offered by UK-licensed casinos are regulated by the UK Gambling Commission. This ensures that promotions are fair, transparent, and adhere to strict regulatory standards.