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Claim a No Deposit Bonus – Top UK Free Casino Bonus Codes

Q: Where can I find the best no deposit bonus UK codes?

You’ll find the top no deposit bonus codes for {date|year} right here on this page. We work hard to bring you the best no deposit bonuses available to UK players at any given moment on our site.

By Tim Rands

Casino Expert

Last Updated: 13 Jun 2025

You guys asked us for more no deposit bonus offers, and we listened. Ready to claim your next no deposit bonus? Click on one of our recommended offers below.

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Affiliate Disclosure:

At VegasSlotsOnline, we may earn compensation from our casino partners when you register with them via the links we offer.

$100

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Slots of Vegas Casino

Wagering Requirements: 30x

Max Cashout: $100

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18+. New players only. Redeem code VEGAS400 to get a 400% Signup Bonus. 400% Signup Bonus comes with a 20x Playthrough Requirement and No Maximum Cash-Out. Valid to Play Slots and Keno Only. Deposit $30 or more. Bonus is non-cashable. Other Standard bonus rules apply. 50 FREE SPINS will be credited automatically upon redemption of coupon VEGAS400. You must play all of the spins before moving on to another game. Spins come with no additional wagering requirements, or added restrictions on withdrawals. Full Terms Apply. www.BeGambleAware.org

$25

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Black Diamond Casino

Wagering Requirements: 75x

Max Cashout: $100

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Terms & Conditions Apply. New Players Aged 18+. Please Gamble Responsibly.

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Box24 Casino

Wagering Requirements: 75x

Max Cashout: $100

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Terms & Conditions Apply. New Players Aged 18+. Please Gamble Responsibly.

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Player Testimonials for Our Free No Deposit Bonus Recommendations

Here at VSO, we aspire to be your #1 trusted source for all things no deposit UK bonuses.

One of the key ways we work towards this is to listen to what you guys have to say about our bonus lists.

Whether we've helped you find the perfect no deposit bonus or you've stumbled across a lackluster deal on our site, we act on that feedback to deliver bigger and better free casino offers.

Check out what others have to say on our current selection of recommended no deposit bonus UK promos:

“Overall satisfied with Vegasslotsonline bonus recommendations. The free money bonus ones are good to try out different casinos with no strings attached. I appreciate the fact that I can play slots n other games without parting with my own cash first. I quite like the William Hill no deposit bonus cos the wagering requirements aren't sky high and realistic to meet. Cheers, S”

-Stuart, East End, London, UK

" I find VSO to be reliable when it comes to picking good no deposit bonuses. I've never had any problems with the casino websites after signing up for the offers so far. All the sites are based in the uk and can usually use my bonus on my fav games, like Sweet Alchemy or Rainbow Riches. Tah!!
-Danielle, Nottingham, UK

"Never experienced any problems with your no deposit bonus codes. All worked out alright and always have a decent selection of slots to use the bonus on. Most sites have a UK licence so that also gives me peace of mind when using your site to grab casino credits or free spins. Keep em coming."
- Tony, Cornwall, UK

Why Players Trust Our No Deposit Casino Bonuses

When you google “best no deposit bonus codes for 2025”, tons of sites promise the same thing: To bring you all the free casino bonuses you need in one place.

So, why pick a no deposit bonus from us? What makes us different from the rest?

In a nutshell, we’re casino players ourselves who know what it’s like to claim an unsavoury bonus. So, we’re on a mission to be your #1 source for fresh no deposit bonus codes.

Need more convincing? Then read on. You can learn more about VegasSlotsOnline and why our no deposit bonuses UK really are the best of the bunch here 👇

Decades of Industry Experience

Because online gambling is a passion of ours, we’ve made it part of our full-time job. Over the years, our team of 30 professionals have played loads of slot machines and reviewed many online casinos. 1,200+, to be (somewhat) exact. We’re also constantly on the hunt for cool promotions that let you enjoy your favourite casino games. We’ve gained a lot of experience through our work on VSO. So, whether you want to find a stellar gambling site or grab a juicy free no deposit bonus, you’re in safe hands with us.

Deals Are Tried and Tested

We know you guys love no deposit bonuses, which is why we prioritize finding the freshest deals for you. But we don’t just “find” them. We sign up with the site in question and claim the casino no deposit bonus credit ourselves. This helps us:

Know for sure the no deposit code is valid.
Find out which games you can play with it.
Confirm whether the T&Cs are truly fair.

We know many no deposit casino bonuses can look good on paper. But playing at an online casino with sign-up bonuses is another thing, especially if it’s a scam site. This is why we always put a no deposit bonus to the test.

Variety and Exclusivity

You know what’s a serious pet peeve of ours? Looking for new no deposit bonus codes online and finding none. And would you want to keep seeing offers you’ve claimed already? Nope, us neither.

For these reasons, we aim to keep this page fully updated for you with the latest free no deposit bonus codes of 2025. This way, you can keep claiming new casino bonuses regularly.

Our commercial team are also striking partnerships with the best online casinos available in the UK to bring you no deposit bonus offers. This means you can often grab an exclusive no deposit bonus code that’s only available on VegasSlotsOnline.

And here’s a top tip: When you create an account with us, you’ll get member-only casino bonuses, including no deposit ones. Signing up sounds like a ton of work, but we’ve made it lightning quick for you to register and enjoy all the perks of having a VSO account.

💡 Learn more about VegasSlotsOnline and our work by visiting our About Us page.

No Deposit Bonuses Explained: Get the Quick Facts

If you’re new to no deposit bonuses, then you might need more info on them before claiming one. Luckily, a free no deposit bonus is exactly what it sounds like. It’s extra credits or bonus money given to you by an online casino. Unlike other casino offers, you don’t need to deposit your own cash to claim a no deposit bonus. Sounds pretty great, right?

Below, you’ll find the essential facts you’ve got to know about before rushing to claim a UK casino no deposit bonus:

A no deposit bonus is not real money you can cash out from the casino. It’s “bonus” money or extra credits which you can use to play real money slots and other casino games.
Speaking of games, a casino online no deposit bonus is the perfect way to test out a gambling site and its offerings. And without risking your own cash.
You’ll often need no deposit casino bonus codes to claim this kind of promotion. Each no deposit bonus will have a specific promo code which you’d need to activate the offer.
No deposit bonus codes involve a set of numbers and letters. For example, a no deposit bonus casino code could be VSO100.
While you’ll find a few £100 no deposit bonus codes in 2023, usually this casino offer is small. The amount tends to be anywhere from £10 to £25.
An online casino no deposit bonus does let you keep what you win. But you must make a deposit and complete wagering requirements before you can withdraw real money.
There’s often a maximum bonus cashout limit attached to your no deposit offer. Players typically can withdraw £100, even if they win more than that.

Reasons Why Online Casinos Offer No Deposit Bonuses

No deposit online casino bonuses are one of the most sought-after deals by UK players. Whether it's £10 or 10 free spins, casinos offer this kind of promo as an incentive to attract new players to their site. Think of it as a try-before-you-buy experience at online casinos.

Besides attracting new players to their sites, casino brands also use no deposit bonuses to reward loyal players. Chances are if you keep playing at a no deposit bonus casino after you've claimed the offer, then you'll want similar promotions to keep playing your favourite games.

Our Top UK No Deposit Casinos by Category

Most of us want to know more about a UK real money casino before signing up for its bonus. For instance, does it have a good reputation? Does it have your preferred games and payment methods?

We’ve gathered our leading no deposit casino sites here to help you get better acquainted with them. We bet you'll love them just as much as we do.

Casino

Best For

Gaming Licence/s

21.co.uk Casino 🩵

Live dealer games and promos

UK Gambling Commission (UKGC)

William Hill Casino 💙

exclusive branded casino games

UKGC, MGA, Gibraltar Gambling Commission

Jackpot Mobile Casino 🎰

playing slot machines on smartphone

UKGC, Gibraltar Gambling Commission

The Online Casino 🎲

easy deposit and withdrawal options

MGA, UKGC

Best for Live Dealer Games and Promos | 21.co.uk Casino

Owned by the reputable LeoVegas Gaming group, 21.co.uk is the perfect place to be for an authentic casino experience. This no deposit online casino is home to exclusive live dealer games you won't find elsewhere. These include the likes 21.co.uk Roulette and Exclusive Infinite Blackjack. New members can also look forward to a free live casino chip.

Gigantic Jackpots slots with prize pools
Insightful and helpful gambling blog
Instant win Slingo games available

Welcome casino bonus could be bigger

Best for Exclusive Branded Games | William Hill Casino

William Hill has dominated the online gambling and sports betting space since 1998. Today it's one of the leading no deposit bonus casino UK sites. You're spoilt for choice in terms of gaming options. Take your pick from live games, slots, poker, and bingo. Better yet - try William Hill's exclusive games, including Megaways slots, roulette, and blackjack.

Established UK and worldwide casino brand
Regular promos, like free spins no deposit
Tons of progressive jackpot slots on offer

Small selection of RNG table games

Best for Mobile Slots Play | Jackpot Mobile Casino

As the name suggests, Jackpot Mobile Casino is the must-visit site for a smooth gambling experience right in the palm of your hand. With just a few taps, access slots, table games, bingo, and scratch cards, among other options. Other perks include a great welcome bonus offer with free spins, plus professional telephone, email, and live chat support.

low minimum deposit of £10
Fast withdrawals with high limits
Pay and play on your smartphone

No loyalty or VIP club or perks

Best for Easy, Efficient Payments | The Online Casino

The Online Casino is the place to be for many UK players. Expect to access your favourite games with ease, be it slots or scratch cards. There are loads of banking options to choose from, including Apple Pay, MuchBetter and AstroPay, to name a few. This no deposit bonus casino also comes with a quality mobile app and a rewarding loyalty program.

Online sports betting options also available
Great welcome offer included for newcomers
Rewards program is available to everyone

Lack of variety in live casino games lobby

How To Claim a No Deposit Casino Bonus in the UK

One of the biggest perks of online casino no deposit bonus deals is the fact that they’re super easy to claim. Especially when you compare them to deposit casino bonuses in the UK. There’s no need to be a computer whiz. Simply follow our quick steps below to get started at a licensed gambling site:

Step 1: Find a Bonus You Like

Browse through the list of no deposit online casino bonuses on this page. Pick one that appeals to you. While we vet any site we promote here, you can check our casino reviews if you’d like to know more about a specific site and its bonuses.

Step 2: Sign Up With the Casino

Once you’ve chosen an offer you like, click the ‘Claim Bonus’ button on our table to go straight to the casino’s sign-up page. To make your account, fill in any requested information, such as your name and email address.

Step 3: Opt-In to the Bonus

Sometimes, the casino will award the free casino bonus automatically to every member that joins. However, you might need to claim it yourself instead. This is usually an option while registering. It could be a banner that you need to click, or a box that you need to tick. The casino will make this process very clear.

Step 4: Insert the Casino Bonus Code

If the no deposit bonus has a code attached to it, you will need to enter it when you claim the bonus. It’s important that you enter casino online no deposit bonus codes exactly as advertised on this page or at the casino. Otherwise, you won’t get the deal.

Step 5: Find the Bonus in Your Account

Once you’ve claimed your offer, your casino dashboard should show you have an active bonus. If you’ve claimed bonus spins or a chip bonus, then you should find them already credited in the specific games that the offer is available on.

🔝 Tip: Many new UK online casinos will ask you to verify your account after signing up. The site will often send a verification link to your email address which you’ll need to click on. You likely need to complete this step before playing with your no deposit bonus.

3 Steps to Turn a No Deposit Bonus Into Real Money

Picture this:

So, you’ve used your £20 casino no deposit bonus chip by playing a few online slots and came out on top. Great! You jump straight into the cashier to request a withdrawal. Only you’re not allowed to do so.

When you bring up the issue to the casino’s customer support team, they mention the need to “meet wagering requirements”, among other conditions. Otherwise, you can’t cash out anything.

This situation may be all too familiar to you. In fact, it’s a massive pain point for many of our readers. And we get it. Which is why we want to guide you on max bonus conversion here. It might be no walk in the park, but it’s best to be prepared and know what needs to be done if you want your no deposit bonus winnings to become cashable.

Being bonus-savvy guarantees you’ll get more value and fun out of your no deposit casino promo.

Step 1: Check the Wagering Requirements

All trusted online casinos display the wagering requirements for their no deposit bonuses. Check whether the requirements are achievable and how much money needs to be wagered on your part. For instance, is wagering £300 feasible for you after you’ve claimed a £10 no deposit bonus?

Step 2: Look Up Any Expiration Dates

Many online casinos with free signup bonuses have time limits for their promos. For example, you could have 30 days to fulfil the wagering requirements of a no deposit casino bonus UK. Compare this time limit with the wagering requirement amount. Do you have enough time to do it, or will the entire experience be a stressful race against the clock?

Step 3: Play Slots, Slots, and More Slots

Not all casino games count equally towards the wagering requirements. We discuss “game weighting” in more detail later. But what’s important to know is that slots often count 100% towards the wagering requirements. If you stick with playing slots, it will be faster for you to meet the wagering requirements and clear your bonus.

Step 4: Withdraw Once Bonus Is Cleared

Once you’ve wagered your bonus a set number of times, and met all other requirements, you can request a withdrawal. Depending on the casino, your real money withdrawal should be processed within 48 hours, and it may take a few days to appear in your bank account. This also depends on the payment method you’ve picked. Keep in mind any maximum bonus winning limits.

The Different Types of No Deposit Bonuses

‘No deposit bonus’ can be a blanket term that covers a few different types of offers. Here, we list the different kinds of no deposit bonuses you’ll find at online casinos in the UK:

Free Spins No Deposit
🎰 Perfect for slot lovers
🎰 Try new slots, risk free
🎰 Often part of a welcome bonus
This is one of the most popular bonus types. Casino bonus spins are extra spins that you get on one or more slot games. For example, you could get 20 free spins on Starburst. Typically, a no deposit free spins bonus will be quite modest – anywhere from 10 to 50 extra spins is normal.
Fixed Cash
💰 Can be used on different casino games
💰 Often paired with match welcome bonuses
💰 Most common no deposit bonus type
Sometimes, a no deposit casino will give you a fixed amount of cash or credits to play with when you sign up. You’ll usually be able to play this bonus on just about any game you like. This makes it a good option for players who enjoy slots, keno, and table games like blackjack or roulette.
Extra Chips
♥♣ Reserved for online casino table games
♥♦ Less common, but can be used on live games
♥♠ Usually applies to one specific table game only
Extra chips are tokens that you use on table games or live dealer casino games. In fact, they are also known as live dealer chips. You can typically use these bonus chips on a designated blackjack or roulette game. Live dealer games applied to this bonus include live roulette, baccarat, or blackjack.

Bonus T&Cs - Understanding the Fine Print

We often give reality checks to our readers (and ourselves) on the fact that almost all casino bonuses any UK free no deposit bonus come with several terms and conditions. They are a necessary evil that fends off excessive bonus hunting at UKGC-licensed casino sites. While gambling sites want you to enjoy your virtual stay on their platform, they also need to make money. By including T&Cs behind their freebies, they make sure they keep turning a profit.

You can avoid running into surprises and manage your expectations by learning about the most common bonus terms here.

Wagering Requirements

As mentioned earlier wagering requirements are the amount you need to stake before you can withdraw any money. They’re often represented by a multiplier, like 30x, 40x, and 50x. For example, you claim 15 bonus spins and bank £10. The offer comes with x15 wagering requirements, so you’ll need to stake a total of £150 before you can cash out your winnings.

Cashout Limits

To avoid being out of pocket, the casinos will generally impose a limit on the winnings that you can cash out. For example, you may win £150 with a £30 fixed cash bonus, but you can only cash out £100.

Game Weighting

Game weighting refers to the percentage of bets that will count towards meeting the wagering requirements. Slots usually contribute the most towards wagering requirements. This means that every penny you bet on a given slot game will contribute to wagering requirements.

Betting Limits

When you play a no deposit bonus, each wager you make will be small. Fixed cash bonuses generally have a max bet allowed. For example, you could have a £50 bonus with a max allowed bet of £5 per wager.

Expiry Times

Many no deposit bonuses have a shorter expiry time than other kinds of deals. A common timeframe to play a casino bonus can be one week or up to 30 days maximum. Try and find a deal that won’t rush you to use up your extra credits.

Try Out Popular Games For No Deposit Bonuses UK

Unless stated otherwise in a promotion's T&Cs, you can use your no deposit bonus on most online casino games, be that slots, slingo, or blackjack.

Online slots, though, are by far the go-to choice for many Brits who opt for no deposit casino bonuses. We’ve gathered a list of the most-played no deposit slots below, in case you need some inspiration for your next gaming sesh.

Starburst by NetEnt

Starburst is one of the top no deposit slots of all time, probably due to its simple mechanics and a return to player of 96.09%. This beloved NetEnt slots game comes with a max win up to 50,000 coins. If you land a Starburst Wild, it will expand to cover the entire reel, lock the reel into position, and award you a respin.

Book of Dead by Play'n GO

Be in the chance to win up to 250,000 coins in this Play’n GO slot. You can also get 10 in game free spins when landing 3 or more scatters. Make the most of the free spins round with a randomly chosen expanding symbol.

Bubble Bubble by RTG

RTG’s Bubble Bubble is the perfect Halloween slot. Winni the Witch appears as an expanding wild symbol in the base game and in the Wild Witches bonus game to grant you extra spellbinding wins. Bubble Bubble 2 also appears in free spins bonuses.

Twin Spin by NetEnt

Be in the chance to win up to 270,000 coins in this NetEnt slot. Twin Spin has a return to player of 96.56% and features 243 ways to win. The highlight of this slot machine is the Twin Reel Feature, where every spin begins with identical twin reels that are linked together.

Cash Bandit by RTG

This slot machine from RTG has 25 paylines and flexible betting options. The Vault Feature allows you to win up to 90 free games in a unique way. Prize multipliers increase with the number of free spins you trigger in this feature. The sequel, Cash Bandits 2, is also often used in free spins no deposit promos.

Avoid These Mistakes Before Claiming Your Bonus

To get a safe and enjoyable no deposit bonus UK experience, check out these top three common mistakes you’ll want to avoid. We speak from our own experience as online gamblers, and from the collective horror stories we’ve heard in the industry.

#1 Slow Down, Shop Around

It's hard to pause and think your casino bonus choice through. Afterall, if you see a £100 freebie from a casino, why wait around? But we advise doing so. Big and flashy doesn’t always mean better. For instance, that £100 might have ridiculously high wagering requirements attached to it. Shop around carefully before committing to a no deposit bonus and the fine print behind it.

#2 No Licence = Red Flag

Whichever no deposit bonus casino you pick, be extra sure it holds a UK gambling licence. You’ll typically find the casino’s license number at the bottom of the homepage, in the footer. Unlicensed, rogue casinos can withhold your winnings or use your data fraudulently. Licenses from the UKGC, MGA, and Curaçao eGaming are the green flags you want to see.

#3 Don't Get Kicked Out

Online casinos have become savvy to the dark art of free bonus hunting. You might be tempted to open multiple accounts to keep claiming the same no deposit bonus. Gambling sites will figure this out, simply from looking at your IP address. If caught, a gaming company will prohibit you from their casino site, and any other sister casino sites. Not worth the blow to your reputation.

Friendly reminder from us lot ➡ Gamble responsibly with your no deposit bonus. Be mindful of how much time and money you're spending at casino sites, and never chase your losses.

No Deposit Bonus UK FAQs

What is a no deposit bonus?

A no deposit bonus is given by a casino to its players when they sign up. It gives new members the chance to try the slots and other games without having to deposit any money. It’s a good opportunity for players to get a feel of the casino.

Can I win real money with a no deposit bonus UK?

Absolutely. At any top online UK casino, you can be in with the chance to win real money from a no deposit bonus. Do note that your sign-up bonus will usually be subject to wagering requirements.

Where can I find the best no deposit bonus UK codes?

You’ll find the top no deposit bonus codes for 2025 right here on this page. We work hard to bring you the best no deposit bonuses available to UK players at any given moment on our site.

Why should I trust your information and free bonus list?

We’re a group of casino enthusiasts. We started this site out of love and we quickly became the most trusted authority on online gambling for thousands of players. We are always on the hunt for the best online casino sites, the best slots, and the best play bonus offers too.

Do you have free welcome bonus offers for UK players?

Yes! We have no deposit casino bonus codes for UK players here. Simply scroll up to the top of the page and take your pick from our selection.

What online casinos in the UK have no deposit codes?

There are loads on online casinos available in Britain that have no deposit casino bonuses and also let you keep what you win. Our UKGC-licensed casino list on this page will put you in the right direction.

No Deposit Slots UK

You don't have to deposit real money to play some of the top slot games around. Play top UK online slots using a bonus offer.

Free Spins UK

Grab the best free spins bonuses of 2025 at our top recommended casinos – and get all the info you need before you claim them.

Casino Bonuses UK

From welcome packages to cashback deals, discover even more casino bonuses you can get at our top UK online gambling sites.

No Wagering Bonuses UK

Find the best UK casinos for no wagering bonuses. Claim your bonus, play your favourite games, and cash out any winnings.

Casino of the Month

Claim a No Deposit Bonus – Top UK Free Casino Bonus Codes

$100

Slots of Vegas Casino

$25

Black Diamond Casino

$25

Box24 Casino

Didn't Find the Bonus You Wanted?

Player Testimonials for Our Free No Deposit Bonus Recommendations

Why Players Trust Our No Deposit Casino Bonuses

Decades of Industry Experience

Deals Are Tried and Tested

Variety and Exclusivity

No Deposit Bonuses Explained: Get the Quick Facts

Reasons Why Online Casinos Offer No Deposit Bonuses

Our Top UK No Deposit Casinos by Category

Best for Live Dealer Games and Promos | 21.co.uk Casino

Best for Exclusive Branded Games | William Hill Casino

Best for Mobile Slots Play | Jackpot Mobile Casino

Best for Easy, Efficient Payments | The Online Casino

How To Claim a No Deposit Casino Bonus in the UK

Step 1: Find a Bonus You Like

Step 2: Sign Up With the Casino

Step 3: Opt-In to the Bonus

Step 4: Insert the Casino Bonus Code

Step 5: Find the Bonus in Your Account

3 Steps to Turn a No Deposit Bonus Into Real Money

Step 1: Check the Wagering Requirements

Step 2: Look Up Any Expiration Dates

Step 3: Play Slots, Slots, and More Slots

Step 4: Withdraw Once Bonus Is Cleared

The Different Types of No Deposit Bonuses

Free Spins No Deposit

Fixed Cash

Extra Chips

Bonus T&Cs - Understanding the Fine Print

Wagering Requirements

Cashout Limits

Game Weighting

Betting Limits

Expiry Times

Try Out Popular Games For No Deposit Bonuses UK

Starburst by NetEnt

Book of Dead by Play'n GO

Bubble Bubble by RTG

Twin Spin by NetEnt

Cash Bandit by RTG

Avoid These Mistakes Before Claiming Your Bonus

#1 Slow Down, Shop Around

#2 No Licence = Red Flag

#3 Don't Get Kicked Out

No Deposit Bonus UK FAQs

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