Top UK Casino Bonuses for 2025 – Best Offers & Promo Codes

Online casino bonuses have become an essential part of the online gambling in the UK – they offer players extra perks and incentives like bonus cash, free spins, or cashback. From welcome bonuses for new players to loyalty rewards for regular users, gamblers love these casino promotions. Here’s your Gamble guide to finding the best bonuses from trusted UK online casinos in 2025.

What Are Casino Bonuses?

Casino bonuses are promotional rewards provided by online gambling sites to attract and retain players. These bonuses can include matched deposits, free spins, or even cashback on losses. While lucrative, they often come with wagering requirements that must be fulfilled before you can withdraw your winnings.

Popular Bonus Types Explained

• Welcome Bonuses: New players often receive a matched deposit, like Rialto Casino’s 100% bonus up to £300 with 200 free spins.
• No Deposit Bonuses: These allow you to play without depositing, such as Betfred’s 200 no-wager spins.
• Free Spins: Ideal for slot enthusiasts; Spin Rio offers 100 spins alongside their matched bonus.
• Reload Bonuses: Rewards for existing players making additional deposits.
• Cashback Offers: A percentage of losses returned, often as unrestricted cash.

Best Casino Bonuses for UK Players

Several UK casino sites have standout offers for 2025. Bet365’s Stake £10, Get 50 Free Spins remains a player favourite, while Spin And Win offers a 100% deposit match up to £500 using code AGSPIN. For those new to gaming, Grosvenor Casino provides a straightforward bonus of Deposit £20, Play with £50 without requiring a code.

Choosing the Right Bonus

Finding the perfect bonus requires careful consideration. Always read the terms and conditions, focusing on wagering requirements, deposit limits, and eligible games. For instance, while a £500 bonus may seem generous, high wagering requirements can make it less attractive than a smaller, no-wager bonus.

Exclusive Casino Codes for 2025

Make the most of your playtime with exclusive UK casino codes such as:

• AGSPIN for Spin And Win: 100% match up to £500.
• AGRIALTO for Rialto Casino: 100% match up to £300 + 200 spins.
• AGLUCKY for LuckyVIP: 100% match up to £100.
• Spin And Win: 100% match up to £500 for new UK players with code AGSPIN.
• Spin Rio: 100% match up to £200 + 100 free spins with code BGRIO.
• Bet365 Casino: Stake £10 and get 50 bonus spins with code 365GMBLR.
• Lucky Pants Bingo: Up to £200 + 100 spins using code AGPANTS.
• Magical Vegas: 100% deposit match up to £300 with code AGMVC.

UK’s Top Picks

The UK’s best casino bonus sites for 2025 include Bet365, Grosvenor Casinos, Buzz Casino, MrPlay and Spin Rio. Each offers a unique mix of promotions, secure gameplay, and an extensive range of games to suit all preferences.

We’re here to help you get a grip on casino bonuses. Whether you’re new to online casinos or just curious about how these bonuses work, we’ve got you covered. We’ll explain what bonuses are, the different types available, how to claim them, and how to pick the best ones for you.

New UK Casino Bonus Sites for 2025 by AGamble

View the best new UK casino bonus sites for 2025. With exciting welcome offers and large game selections, these casinos offer something for everyone:

Each of these new UK casinos offers unique promotions for 2025, from PricedUp.com’s 90-spin bonus to Midnite Casino’s no-wagering spins on Big Bass Splash. For a top-notch new mobile app interface and fantastic welcome bonuses, these casinos are perfect for UK players in 2025!

Welcome Bonuses

The online casino welcome bonus is the most coveted of all bonuses due to the substantial sums of extra money offered by some casinos. The sign-up bonus is usually the biggest bonus available and widely considered the best deposit bonus with fair T&Cs.

When you make your first deposit at a new casino, you’ll receive a bonus to welcome you as a new customer. This is also called a first deposit bonus and is common at 99.9% of online casinos. Do not confuse the welcome offer with a no deposit bonus; these are different types of bonuses.

For example, The Vic Casino offers a 100% deposit match up to £200 plus 100 spins with the code AGVIC. Meanwhile, Spin Rio provides a 100% match up to £200 plus 100 free spins using the code BGRIO. These examples show the variety and value of welcome bonuses available at top casinos.

A typical first deposit bonus offers a 100% match up to a certain amount. For example, a 100% bonus up to £200 means you deposit £200 to get a £200 bonus, totalling £400 to play with. If you deposit more than £200, you will not receive more bonus money than the capped sum.

Need Free Spins?

Free spins are a staple of casino bonuses, ranging from 10 to 100 depending on the promotion. At a bonus casino, you will often find free slots spins without a deposit. It’s a tactic that works for many gamblers.

Top 11 free spins online casino offers for the UK here:

• Rialto Casino: 200 spins
• The Vic Casino: 100 spins
• Spin Rio Casino: 100 spins
• Bet365 Casino: 50 spins + 60 spins for Bet365 Games = 110 spins
• Betfred: 200 spins
• Buzz Casino: 200 spins
• VegasLand Casino: 100 spins
• Betway Casino: 100 spins
• Luckster.com: up to 100 spins (Taking the maximum here for the total)
• 21 LuckyBet Casino: 20 spins
• PlayLuck Casino: 150 games (Assuming games mean spins for this calculation)

No Deposit Bonuses

A favourite among players, a no deposit bonus or free casino bonus without a deposit is often considered one of the best bonuses. Take for example Mad Slots casino. Here new users get 100 free spins just for the registration, without an initial deposit. We think it is one of the best no deposit bonuses out there. It allows players to try out the casino before committing to a deposit. However, winnings from these offers are tied to wagering requirements.

Best Deposit Bonuses

A deposit bonus casino ensures a wide range of matched bonuses are available regularly, including new sign-up bonuses and ongoing deposit bonuses for current customers. For example, at Spin And Win, using the code AGSPIN, you can get a 100% match up to £500. In our expert opinion, this is the biggest new customer deposit bonus you can get at UK casinos right now. These kinds of bonuses significantly enhance your bankroll and playing experience.

Here, UK editors of AGamblepicked the best casino bonus deals for first deposit:

• Hopa Casino: £500
• Spin And Win Casino: £500
• Rialto Casino: £300
• Dream Vegas Casino: £300
• Magical Vegas Casino: £300
• The Vic Casino: £200
• Spin Rio Casino: £200
• Luckster.com: £200
• VegasLand Casino: £200
• 21 LuckyBet Casino: £200

We think the best bonus for you as a new player can be found at Magical Vegas. You get 300 British Pounds on your first deposit.

Claim Mobile Casino Bonus

If you happen to play slots on your phone a lot and would like to find the best available bonuses for mobile casinos, then you’re in luck! Our favourite app for slots and bonuses is 10bet casino. There’s no difference in the available bonuses just because you play on your phone or tablet. All bonuses offered by an online casino are available and up for grabs on mobile devices too.

Live Casino Bonus

Live casino bonuses might also be available at online casinos, and these often include either bonus money or bets. Note that sometimes you can use your regular casino bonus in live casino games. The best live casino bonus, though, is the one meant only for live casinos. The best site to play live roulette and blackjack with real dealers in the UK is Lucky Vip. Here, you even get an additional £7 for playing live casino games. Use our exclusive promo code AGVIP when registering.

NO Wagering Bonuses

Also referred to as wagering or rollover requirements, these are restrictions attached to a bonus offer. They generally are time related or wagering related and as is often the case, both factors apply.

The best no wager free spins you can get is at Betfred (200) and bet365 (50). No wagering requirements attached, keep what you win. Amazing, right?

Take Grosvenor Casinos, for instance. They offer bonuses without requiring a promo code, but be sure to check their wagering requirements. By contrast, Spin Rio’s welcome offer with code BGRIO requires a 20x rollover.

Regarding time limits, Bet365 provides you with 60 days to clear the wagering requirements from their welcome bonus of a 100% matching first deposit worth up to £200. Spin And Win provides a similar welcome bonus but with a different timeframe and wagering requirement.

There’s a unicorn bonus in the industry. Imagine a casino bonus without or with low wagering requirements. They exist! But, just because there’s no wagering required doesn’t mean it’s completely freed of T&Cs.

£5 Deposit Offer

Sometimes it’s fun to play casino games with minimal investment; that’s where £5 deposit casinos become handy. At these sites, you can claim a casino bonus for a small £5 investment. Claim this treat and start playing your favourite slots!

If you are looking for the best exclusive 5 pound deposit casino in the UK, we suggest you sign up with the Kitty Bingo. We negotiated the perfect bonus (£25) on your first real money £5 deposit.

£10 Minimum Deposit Bonus

The idea that you can make a small deposit to play with much more money may sound too good to be true. But a growing number of online casinos offer big bonuses for small deposits.

These fantastic offers can be claimed as free spins, cashback bonuses, and even as massive prize draw entries. If you are interested in playing with this offer, you can grab your preferred £10 deposit bonus on this page (see the list above). Top minimum UK deposit casinos are: The Vic, bet365, 10bet Casino and new Pub casino site.

Betting Bonuses

Betting free bets and new customer bonuses are popular deals among sports betting fans. The bonus comes in many forms, but the no deposit bonus bookmaker is widely considered to be the best free bet sign-up bonus – we recommend bet £10 get £30 at SBK Bet. You can learn more about the offer on our page dedicated to the bonus.

Some casinos choose to apply specific codes to their bonuses. All it means is that you have to enter a code to be eligible for the bonus. It’s very easy, and if in doubt, we’ve included step-by-step instructions in our dedicated bonus codes page.

What is an exclusive bonus? Put simply, exclusive bonuses are offers that casinos give exclusively to a certain group of players. At AGamble, we have partnered with the best legal casinos to bring you some amazing deals for you.

To activate these offers you need to use our exclusive casino promo codes. The bonus code is the best way to claim UK casino welcome promotions when joining. View the best-tested new customer deposit codes for casinos.

Cashable Casino Bonus & Cashback Deals

As you can guess from the name, a cashable casino bonus is an offer you can cash out. Unlike a sticky bonus, a cashable casino bonus is redeemable. This means that you can withdraw any winnings you have made with your bonus once you have fulfilled the wagering requirements. The bonus can be very lucrative if you manage to land a big win playing slots or casino games.

The Best New Player Bonus Offers in the UK – 2025

We have selected the best 20 UK online casino bonus sites and offers. Read the terms that we describe and click to claim your promotion today!

UK Casino Bonus Sites Reviewed

LuckyVIP Casino – Win MAX

Newcomers to the LuckyVIP Casino receive as a welcome bonus a 100% first deposit match of up to £100, along with an additional £7 to play in their live casino. Enter the promo code “AGLUCKY” to activate this offer.

To engage this offer, you must make a minimum first deposit of £20. The top bonus win is £555 and is only available on selected slots. A 50x wagering requirement on the sum of deposit and bonus applies. 

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Rialto Casino

Enter the promo code “AGRIALTO” and activate the Rialto Casino welcome bonus of a 100% first deposit match of up to £300, along with 200 free spins.

This welcome bonus package is spread over your first three deposits. A minimum £20 deposit is required to put the offer in motion. A 40x wagering requirement accompanies the bonus and deposit. The maximum bonus to cash is 5x. The free spins come with a 25x wagering requirement. The highest bonus to cash is £25. 

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The Vic Online Casino

At The Vic, newcomers can receive up to £200 in a 100% matching first deposit and 100 free spins. Enter the promo code “AGVIC” to activate this bonus. 

This welcome bonus package is delivered on a punter’s first three deposits. Activation requires a minimum deposit of £20. It comes with a 50x wagering requirement on the bonus and deposit. The maximum bonus to cash is 5x. The free spins have a 35x wagering requirement and a maximum bonus to cash of £30. 

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Spin And Win Casino

A 100% matching first deposit bonus of £500 welcomes players into the Spin And Win Casino. Enter the promo code “AGSPIN” to activate this offer. There’s a 30x rollover requirement attached to the deposit and bonus.

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Spin Rio Casino

At Spin Rio, they’ll set you on your way with a welcome offer consisting of a 100% matching first deposit of up to £200, paired with 100 free spins. Enter the promo code “BGRIO” to activate this offer.

The minimum deposit to engage this offer is £10. The full bonus varies per deposit. A combination of 50% real money funds and the other 50% made up of bonus funds cannot exceed a maximum of £500 in winnings. If your winnings exceed £500, you will only receive £500. Winnings won with spins that require a deposit have to be wagered 35x.

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Bet365 Casino

Stake at least £10 with the Bet365 Casino, and you’ll get 50 bonus spins. Enter the promo code to activate this offer. It comes with a 20x wagering requirement. At Bet365 Games, they will launch new players with up to 60 free spins. Enter the bonus code “365GMBLR” to activate this offer. 

To qualify for this beautiful offer, you must have a minimum of $20 in lifetime deposits. You must claim the offer within 30 days of registering your Bet365 Games account. No wagering requirement is attached. Players have seven days to use their free spins. 

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Grosvenor Casinos

Make a first deposit of at least £20 at Grosvenor Casinos, and you’ll play with £50. This is a non-withdrawable bonus of £30 and is playable only on selected games. There’s a 30x wagering requirement that must be met. The offer expires within 30 days, and the maximum bonus win is £2,000.

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Betfred

New players who stake at least £10 with Betfred will be rewarded with 200 wager-free spins. The deposit must be made within seven days of opening a new Betfred account. Free spins will be credited within 48 hours, and you’ll have seven days to use them. This offer is not available to players in Northern Ireland.

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Buzz Casino

Make a minimum first deposit of £10 at Buzz Casino, and they’ll reward you with 200 free spins. Best of all, no wagering requirements are attached to this welcome offer.

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VegasLand Casino

A 100% matching first deposit of as much as £200 and 100 free spins is the welcome offer at Vegas Land Casino. This offer is spread over a player’s first three deposits. A minimum first deposit of £10 engages the offer, and second and third deposits of at least £20 each keep it going. 

The first deposit is a 50% bonus up to £50 and 20 spins on Starburst. The second part is a 50% bonus up to £75 and 40 free spins on Book of Dead. The third deposit delivers a 50% bonus up to £75 and 40 free spins on Legacy of Dead. Bonuses that require a deposit have to be wagered a minimum of 35x. 

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Betway Casino

It’s one of our favourite UK casino bonuses. Deposit £10 and stake £10, and 100 free no-wager spins are delivered to new players who sign up at Betway. The free spins are provided for the slot game Big Bass Bonanza, with a £0.10 per spin limit. There are no wagering conditions on free spin winnings. This offer is valid seven days from the new account being registered and is only available with debit card deposits.

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Luckster.com

A new casino bonus site! A package offer of a 100% matching first deposit up to £200 and a maximum of 100 free spins welcomes new players to try out the Luckster Casino. New UK players must deposit at least £10 each of their first three deposits. They’ll get 20 free spins with the first deposit and 40 free spins each with their two ensuing deposits. The free spins must be used within 24 hours.

A 35x wagering requirement is attached to both the bonus and any winnings from free spins. Maximum free spin wins are capped at £100. Deposits made with Neteller and Skrill are not valid for this promotion. By the way, this casino offers sports betting bonus as well.

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21 LuckyBet Casino

They’ll start you off with a 100% matching first deposit of up to £200 and 20 free spins at the 21 Lucky Bet. This new UK sign-up casino offer is available in 2024 for seven days after registering your new account. 

The 20 free spins are provided on the slot Book of Dead and expire within seven days. The bonus and any winnings from the free spins are subject to a 50x wagering condition.

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PlayLuck Casino

PlayLuck Casino offers a welcome bonus that matches your first deposit by 100%, up to a maximum of £100. Additionally, they add 150 free games for you to enjoy. They distribute the bonus across your initial four deposits.

You can play the free games on Gonzo’s Quest, Starburst, Book Of Dead, and Fire Starter. You need to wager the bonus funds 35 times to make them withdrawable, and you have 21 days to achieve this. New UK casino depositing players only, 2025.

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Vegas Spins Casino

A random spin of a prize wheel can earn you as many as 450 free spins with the welcome offer from Vegas Spins Casino. You can also earn game bonuses or coins for gameplay.  Free spins won are awarded over five days, and you’ll be given three days to play them before they expire. The wagering requirement on game bonuses and winnings from free spins is 35x. Full terms here.

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Pub Casino

A stellar offer of 100% matching your first deposit of up to £100 welcomes you to Pub Casino. This offer requires a minimum deposit of £10 to activate. The maximum bet with an active bonus is £5. A 40x wagering requirement applies to both the bonus and the free spins. As an extra bonus, Pub Casino UK also offers cashback on losses when you have played your bonus.

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Casumo Casino

Casumo will start you out with a 100% first deposit match of up to £100 and 20 bonus spins. An opt-in is necessary to activate the bonus. A minimum deposit of £10 is needed to enact the bonus offer. It comes with a 30x wagering requirement for the free spins and a 30x wagering requirement for the deposit bonus. The 20 free spins are provided for the Sahara Riches Cash Collect slot game. There’s a maximum bet of £5 per spin, £0.50 per line or £10 per round. This offer expires 30 days after activation. 

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Dream Vegas Casino

Dream Vegas Casino offers a 100% first deposit match welcome bonus up to £300, along with 150 free spins. To get the full 150 free spins, you must claim the entire £300 bonus. You can use the free spins on NetEnt slot games. The maximum bet using bonus funds stands at £5. You must meet a 35x wagering requirement on the bonus and any associated winnings within 30 days.

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Magical Vegas Casino

Grab a 100% first deposit match of up to £300 when you enter the promo code “AGMVC” upon signing up at Magical Vegas Casino. A 50x wagering requirement must be met before the bonus funds may be withdrawn from your account. Full terms here.

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Lucky Pants Bingo

Online casino players in the United Kingdom at Lucky Pants Bingo can claim a signup bonus of up to £200 and 100 additional spins. Just enter the promo code “AGPANTS” to activate this offer. A 35X wagering requirement on both the deposit and bonus amount must be met. Full terms are here.

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All British Casino

At the All British Casino, they start the locals with a welcome bonus offer of a 100% matching first deposit of £100, accompanied by 200 free spins. The minimum deposit to activate this offer is £20. There is no maximum cash out. The wagering requirement is a 35x bonus. The maximum bet with an active bonus is £5. Skrill and Neteller deposits are excluded from this offer. Full terms here.

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Why It Might Be Better Not to Accept a Welcome Bonus

We at AGamble think that sometimes, it might be smarter to skip a bonus, and that’s okay! For instance, if the wagering requirements are sky-high, you might find it really tough to actually withdraw your winnings.

Also, if your online casino welcome offer only applies to games you don’t like, it won’t be much fun. Another thing to watch out for is low withdrawal limits; it can be frustrating to win big and then find out you can’t cash it all out.

And let’s not forget about complicated bonus rules—if the terms and conditions are confusing, it can be easy to make a mistake and lose the bonus credits altogether. So, sometimes it’s best to play it safe and just play the games without the bonus.

What Does a 200% Bonus Mean?

A 200% bonus means that the casino will give you an additional amount of bonus money equal to 200% of your deposit. For example, if you deposit £50, the casino will give you an extra £100, making your total playable amount £150. This is a great way to boost your starting balance and enjoy more playtime.

What Are x35 Wagering Terms?

x35 wagering terms mean you need to wager the total amount of the bonus (or sometimes the bonus plus the deposit) 35 times before you can withdraw any winnings made from that bonus. For example, if you receive a 100 bonus, you must wager 100 x 35 = 3,500 in bets before you can withdraw the winnings. These requirements are in place to prevent players from cashing out bonus money without playing.

What Is a “Deposit 10 Get 100” Bonus?

A “Deposit £10 Get £100” bonus means that when you deposit £10, the casino will credit your account with an additional 90 in bonus funds, giving you a total of £100 to play with. This type of bonus offers a substantial boost to your playing balance for a small initial deposit. Just like other UK bonuses, this will come with specific terms and conditions, including wagering requirements and game restrictions.

Why Wagering Requirements Matter

Wagering requirements determine how much you need to bet before withdrawing winnings. For example, a 35x wagering requirement on a £10 bonus means you must wager £350 to cash out. Opt for bonuses with lower wagering terms for easier withdrawals.

Mobile and Live Casino Bonuses

Mobile gaming continues to grow, with casinos like Betway offering 100 no-wager spins on Big Bass Bonanza for mobile users. For live casino fans, LuckyVIP’s exclusive £7 live casino bonus adds excitement to games like roulette and blackjack.