21.co.uk Casino
Unlock up to £100 Cash across Your First Two Deposits
Full T&Cs apply. New players only across two deposits. Cash rewards have 7 days from registration to opt-in from “My Promotions” page & each with 7 days wagering. Deposit £10, £25 or £50 & wager 75x. Only cash stakes on live games qualify & wagering contributions vary. 18+ Begambleaware.org

21.co.uk Casino Review

21.co.uk is an online casino experience with a difference. In addition to a user-friendly website and mobile app, you can look forward to no-deposit bonuses, lots of rewards and a great variety of games spanning across slots, jackpots, live casino and sports betting. 21.co.uk even has their very own TV show, where you can play top live casino games, every day on Channel 5!

21.co.uk is operated by LeoVegas Gaming PLC, the group behind online casino brands like LeoVegas, Royal Panda and Bet UK. 21.co.uk is licensed and regulated in Great Britain by the Gambling Commission and uses secure technology to ensure a safe experience for all players.

21.co.uk Pros/Cons

Mobile apps availableVery live-casino focused
Great range of games

21.co.uk Welcome Bonus

21.co.uk is one of the few online casinos that offers a no-deposit welcome bonus. You’ll simply need to log in to your account and you can claim a £10 free no-deposit bonus. You’ll need to wager this 50x and the maximum win / withdrawal from your bonus is £50. You’ll need to claim your bonus within 3 days of signing up and use it within 7 days.


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Full T&Cs apply. New players only across two deposits. Cash rewards have 7 days from registration to opt-in from “My Promotions” page & each with 7 days wagering. Deposit £10, £25 or £50 & wager 75x. Only cash stakes on live games qualify & wagering contributions vary. 18+ Begambleaware.org

Promotions Offered by 21.co.uk

In addition to the welcome bonus, there are lots of offers and promotions to look forward to at 21.co.uk. Live casino players can unlock up to £100 in cash rewards when they play some top live casino games; there are free spins offers with absolutely no wagering requirements; and sportsbook players can look forward to their own special set of promotions like free bets and more.

Game Variety at 21.co.uk

There are several hundred different slot games to play at 21.co.uk and you’ll even find a handy A-Z list of all of them in the footer of the site. You’ll find games here from more than 25 different providers including all the big names like NetEnt, Play’n Go and Microgaming. With such a diverse range of providers, you’ll get the very best in quality as well as a huge variety of different games.

There’s something for everyone here - try out fan favourites like Book of Dead and Starburst; have a go at one of 21.co.uk’s top picks like Legacy of Dead, or spin away at a brand new title like Gold n Rocks or Reactoonz 2. Whether you’re into mythical games like Zeus 1000, or prefer to channel the luck of the Irish in Top o’ The Money, there are so many different characters and themes, you’ll never be bored. You can even try out slots themed around your favourite TV shows, like Who Wants To Be A Millionaire or Survivor.

There are also lots of fun instant win slots, like Slingo Cascade and Beehive Bedlam. While you’re playing all of your favourite slots, look out for features like free spins and bonus rounds, or opt to play a megaways slot, where the ways to win are always changing!

Game Providers

Game Provider IGT
Game Provider Novomatic
Game Provider NetEnt
Game Provider Microgaming
Game Provider Evolution
Game Provider Play'n Go
Game Provider Thunderkick
Game Provider iSoftBet
Game Provider Yggdrasil
Game Provider Scientific Games
Game Provider Barcrest
Game Provider Elk Studios
Game Provider Big Time Gaming
Game Provider Lightning Box
Game Provider NYX Gaming Group
Game Provider Blueprint Gaming
Game Provider Bally

Return to Player Percentages at 21.co.uk

The Return to Player percentage refers to the amount of money staked on a game that should return to players over time. This varies between different games, with most at 21.co.uk being mid-range, around 96% or 97%.

Progressive Jackpots

There are several dozen jackpot slots available to play at 21.co.uk. Most of the jackpots are connected to the 21.co.uk “Jackpot King” feature, which means that the jackpot builds up with every spin of a qualifying slot and you can win the payout at any time! For your chance at a huge jackpot try out slots like The Goonie’s or Gold Frenzy.

21.co.uk Desktop/Mobile Experience

21.co.uk uses a combination of a luxurious look and feel - created by colour schemes and graphics - to convey the atmosphere of a premium live casino. Interactive graphics and subtle animations help to make this experience even more immersive.

Once logged in, the navigation is simple - you’ll see your balance at the top of the screen and can use the dropdown to access your account, banking, bonuses or support. The homepage places quite a strong focus on live casino, but it’s easy to navigate to the slots section and refine your selection by all slots, jackpots, or instant win games. You can also use the search function to find your preferred game by name.

A great feature here that’s not too common amongst online casino sites, is that you can view “info” about each game before playing. This includes details like minimum and maximum bet, bonus features and a summary of how to play. You are also able to demo each game for free before playing for real, but this feature is only available once your account is fully verified.

You can take your 21.co.uk experience with you wherever you go. It’s easy to play using your usual browser on your iOS or Android mobile phone or tablet. Alternatively, you can choose to download the app for a fully integrated experience. Either way, you can enjoy mobile-optimised versions of all of your favourite games. You can download the app from the App Store or Play Store and it requires iOS 8 or later, or Android 4.2 or later.

Registration at 21.co.uk

The sign up form might look a little long, but that’s just because it’s all on one page. Provide details like your name, phone number, email address and physical address, then opt in or out of marketing communications (you can always update this preference) and you’ll be ready to go. Due to rigorous safety and security precautions, your identity is verified at the sign-up stage and you may need to submit documents to support this.

Depositing and Withdrawing at 21.co.uk

You’ll need to deposit at least £10 per transaction and there are a number of different ways you can do so, including Visa and Mastercard debit bank card payments as well as PayPal.

The minimum withdrawal amount is £10, but in some cases, customer service might help you withdraw less than this. Withdrawals are processed within 24 hours, but it might take 3 - 5 working days before the funds reflect in your account. Bear in mind that this is business days, so it may vary depending on the day of the week.

Payment Method


Deposit Amount

Withdrawal Amount

Withdraw Time


£10 min

£10 min

2-5 days


£10 min

£10 min

2-5 days


£10 min

£10 min

1-3 hrs

21.co.uk Betting Limits

The betting limits at 21.co.uk are highly variable, depending on the slot game that you choose to play. Most games start their stakes at around 10p, but some start even lower, at only 1cpper spin. Maximum bets range from £40 to £100. The higher your stakes, the more you stand to win.

You can enjoy table games like blackjack and roulette from 10p up to several thousand pounds at a time, while In the live casino you can play from as little as 20p or £1 with some games and £5 with others, all the way up to £10,000.

21.co.uk VIP Program

At the moment, 21.co.uk lacks a full VIP program, but they are known for treating all customers like royalty - offering regular bonuses and promotions, always improving their offering and having a friendly and efficient customer support team on hand to help at all times.

21.co.uk Customer Support

21.co.uk has a full FAQs section which covers the most common topics like deposits and withdrawals, making changes to your account, account verification and GDPR. If you need to get in touch for a more specific query, you can do so via email using a form directly on the site, or opt for live chat. Live chat is the quickest way to get in touch and the team is available 24/7 to help. Response times for live chat are very quick and you can expect answers within minutes. If you need to verify your account you can do so directly within your account section.

Responsible Gambling Features at 21.co.uk

The “Safer Gambling” section at 21.co.uk is fully comprehensive and covers a range of topics like the tools and features available to players, the brand’s policy and commitment, links to external organisations and additional support and information on protecting minors. Tools that you can access via your account section include daily, weekly and monthly deposit limits, reality checks to help you control your time on the site, a time out, or self-exclude in order to block access to your account for a set amount of time or permanently. The responsible gaming page is available via the footer of the site, or from the help section.

Our Verdict

21.co.uk really stands out as an online casino with a difference. There are lots of perks like 24/7 customer service and extra bonuses and promotions, but there’s also a great user experience to look forward to and 21.co.uk even have their own TV show! All in all, the feeling here is just like playing at a premium, land-based casino, so it’s a great option for players of all skill levels.



There are hundreds of games from more than 25 providers

Yes, you can play using your mobile browser, or download the app

21.co.uk is a licensed and regulated online casino and all games undergo fairness testing.

Your withdrawal will be processed within 24 hours and may take 3 - 5 working days to reflect, depending on your payment method.

Visit 21.co.uk Casino



Hi, I'm Adam Kenny

"Over a decade spent working in the online betting world. I can truly tell you which operators are good and which ones aren't."

  • Online Casino
  • Sports Betting
  • Daily Fantasy

Reviewer since February 2019