Looking for the best UK casino promotions in 2025? Whether you’re after free spins, deposit bonuses, or no-wagering offers, you’re in the right place. At British Gambler, we’ve handpicked the top UK casino bonuses, including exclusive promotions for new and existing players.
I’m Alexander Kostin, founder of British Gambler, and as someone who enjoys online slots, I know the value of a good free spins offer. Personally, I love playing branded slots at bet365 Games, where you can find official titles from well-known franchises. But if you’re new to live casino games, I’d recommend Rialto Online Casino, as they give newcomers an extra £7 specifically for live dealer tables, a great way to try out real-time blackjack and roulette without too much risk.
Types of Casino Bonuses and Promotions & What to Expect
Online casino bonuses come in different forms, each catering to different types of players. Here’s a quick breakdown of the most common offers and where to find them:
🎰 Free Spins Bonuses – Ideal for slot lovers
If you enjoy spinning the reels as much as I do, free spins are the best way to try new slot games without spending too much. Betfred Casino, for example, offers 200 wager-free spins when you stake just £10. This means any winnings from your spins are yours to keep with no hidden requirements—a rare find!
💰 Deposit Match Bonuses – Get more for your money
This is when a casino matches a percentage of your deposit with bonus funds. For instance, Regal Wins Casino offers a 100% deposit match up to £500, effectively doubling your playing balance. It’s great if you want to explore different games with an extended bankroll.
🎟️ No Deposit Bonuses – Play without spending a penny
A no deposit bonus lets you claim bonus funds or free spins without making a deposit. 888casino offers 88 free spins just for signing up, no deposit required! These deals are perfect for trying out a casino risk-free.
🃏 Live Casino Bonuses – Best for real dealer games
If you’re interested in live blackjack, roulette, or baccarat, some casinos offer special deals for live games. As I mentioned earlier, Rialto Online Casino is a great place to start, as they give £7 in live dealer funds on top of their regular welcome bonus.
🔄 Cashback Offers – Recover some of your losses
Cashback bonuses refund a portion of your losses over a certain period. All British Casino, for example, offers 10% cashback on all losses, making it a great choice if you want some security while playing.
Top UK Casino Bonuses for 2025
Here’s a list of some of the best casino bonuses available right now:
✅ Bet365 – 100 Free Spins on branded slots (Promo Code: 365GMBLR)
✅ Spin & Win – Up to £250 + 100 Free Spins (Code: SPINGMBLR)
✅ Lucky VIP – £107 Bonus + Cashback (Code: LVGMBLR)
✅ Rialto Casino – £300 Deposit Bonus + 200 Free Spins + £7 for Live Casino (Code: RIALTOGMBLR)
✅ Betfred – 200 Wager-Free Spins for a £10 stake
- Bet365 Casino: Stake £10, Get up to 200 Free Spins. Promo Code “365GMBLR”18+, GambleAware.org.
bet365 New Player Offer: 10 Days of Free Spins with up to 200 Free Spins. Terms: Min £10 in lifetime deposits required. Offer must be claimed within 30 days of registering a bet365 account. Reveal prizes of 5, 10 or 20 Free Spins; 10 spins on Free Spins reels available within 20 days, 24 hours between each spin. Max. prize, game restrictions, time limits and T&Cs apply.
Read Bet365 Bonus Code UK Review365GMBLR - Mr Play Casino Bonus: Get 100 Free Spins + £200 Deposit Bonus18+, GambleAware.org.
Only UK players. After first deposit made, customers will get + 20 Spin for the next 4 days: 1st day after First Deposit: 20 Spins of Finn and the Swirly Spin 2nd day after First Deposit: 20 Spins of Book of Dead 3rd day after First Deposit: 20 Spins of VIP Black 4th day after First Deposit: 20 Spins of Aloha! Cluster Pays Winnings won with spins that require deposit, have to be wagered 35x. Bonuses that require deposit, have to be wagered 35x.
Read Mr Play ReviewBGPLAY - 10bet Casino Offer: 50 % of up to £250 Bonus18+, GambleAware.org.
Use code CASINO upon deposit (no Skrill/Neteller); Wager bonus 50x to release bonus winnings; Valid 30 days; Stake contribution and payment method exclusions apply; T&C apply
Read 10bet ReviewCASINO - Kitty Bingo: Up to £30 + 50 Free Spins. Use code: KITTYGMBLR18+, GambleAware.org.Kitty Bingo Bonus Code 2025: New Customers. Deposit (PayPal & Paysafe excluded) and play £10 cash on Bingo. Spins only on specific game. Wagering and expiry dates vary. Full T&Cs apply.Read Kitty Bingo ReviewKITTYGMBLR
- Mecca Bingo up to £40 Bonus + 50 Spins18+, GambleAware.org.
New Online Customers Only. Deposit (PayPal and PaySafe excluded) & play £10 on Bingo within 7 days to get £40 Bingo bonus, 50 Free Spins & Club Voucher. Selected games, wagering requirement and expiry dates apply. See full T&Cs.
Read Mecca Bingo Review - All British Casino: 100% Deposit Bonus up to £100 + 200 Free Spins18+, GambleAware.org.
Welcome bonus for new players only. Maximum bonus is 100% up to £100 + 200 free spins. Min. deposit is £20. No max cash out. Wagering is 35 x bonus. Max. bet with an active bonus is £5. Eligibility is restricted for suspected abuse. Cashback is cash with no restrictions. Skrill & Neteller deposits excluded. Cashback applies to deposits where no bonus is included. T&C’s apply.
Read All British Casino Review - Buzz Casino Welcome Offer: Get 200 Free Spins Bonus18+, GambleAware.org.
The Buzz Casino Bonus Codes and Terms: New players only. Deposit & stake £10 on slots get 200 x 10p Fire Blaze™ Blue Wizard Megaways™ spins (x20 WR). Full T&Cs apply.
Read Buzz Casino Review - Casumo Bonus: £100 Deposit Match and 50 Bonus Spins18+, GambleAware.org.
New Casumo Casino 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. T&Cs apply. Play responsibly. T&Cs apply.
Read Casumo Review
My Top Picks for 2025
As someone who plays regularly, I know what makes a great casino bonus. Here are my personal recommendations:
🔥 Best for Slots: Bet365 Games – A fantastic selection of branded slots with exclusive promotions
🎥 Best for Live Casino: Rialto Online Casino – Extra £7 live dealer credit on top of their regular welcome bonus
🎰 Best Free Spins Deal: Betfred Casino – 200 wager-free spins on a £10 deposit
💷 Best High Roller Bonus: Regal Wins Casino – £500 Deposit Match Bonus
No matter what type of player you are, there’s a bonus out there for you. Always check the wagering requirements and T&Cs before claiming an offer.
Some new casinos also offer good promotions. Check them out here.
Final Thoughts
Casino bonuses can give you more chances to play and win, but it’s important to pick the right one for your playing style. If you love slots, look for free spins. If you’re into live dealer games, go for a live casino bonus like the one at Rialto Casino. And if you want more flexibility, a deposit match or cashback offer might be best.
👉 Ready to claim your bonus? Browse the offers above, enter the promo code, and start playing!
⚠️ 18+ only. Terms apply. Gamble responsibly. Visit GambleAware.org for support.