Best UK Online Casino Bonus Site

At NewCasinoBonusesUK you can choose from the most popular types of casino bonuses at licensed and trusted online casino sites in the UK.

We are an authority website on new casino bonuses in the United Kingdom and our team of casino experts provide guides to the latest casino promotions and casino offers.

  • Over 150+ casino reviews!
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  • Over 2000+ free spins!

Check out casino bonus offers from the most trusted UK Casinos here.

Top 3 Online Casino Bonuses of the Month

JeffBet Casino

jeffbet casino

20 Wager Free Spins

18+ New Players Only. T&C's Apply

Cosmic Spins

cosmic spins

100 Free Spins

18+ New Players Only. T&C's Apply

Monster Casino


100 Free Spins

18+ New Players Only. T&C's Apply

Online Casino Bonuses in the UK

Online casino bonuses have become a popular way for online gambling sites to attract and retain players. With the large number of online casinos available in the UK, it can be challenging to choose which one to play at. The sheer number of bonuses and promotions available can also make it challenging to determine which ones are worth taking advantage of.

This is where NewCasinoBonusesUK comes in - with our website dedicated to providing you with up-to-date information on the latest online casino bonuses, you will never need to use another casino bonus site!

By coming directly to NewCasinoBonuses.UK, you can save time and find every new casino offer available at online casinos in Great Britain.

Star Slots Casino: Win up to 500 Spins with the Loot Chest

star slots

Star Slots Casino are offering new customers a chance to win up 500 free spins. We have reviewed this casino and the bonus they are offering, including instructions on how to activate the bonus.

Put your helmet on, fasten your seatbelt and hold tight as you rocket away to the slot’osphere with StarSlots, the UK’s best online slots casino. When you arrive onboard the StarSlots space station you will be greeted by the Loot Chest, which contains a whole wealth of goodies, including up to 500 spins on StarBurst, and even Amazon Gift Vouchers!  All you have to do to open this chest of wonders is to make a first time deposit of just £10.  So are you ready to become a slotstranaught?

Visit Star Slots Casino
New players only, min deposit £10, £8 max win per 10 spins, max bonus equal to lifetime deposits (up to £250), 65x wagering requirements. full t&cs apply more about this casino..

Electric Spins: Deposit £10 get 25 Free Spins!

Electric Spins Feature

In this article we look at Electric Spins Casino and the welcome bonus they offer new players. We review the casino, the games, the banking options, before concluding with our rating

Electric Spins is a brand new casino site from the 888 Group, and they are offering new customers a welcome bonus of 25 free spins when you make a minimum first time deposit of just £10. You must use the bonus code ELECTRIC to trigger the 25 free spins when you make your first deposit. The spins will be credited to a designated slot game by the casino. Electric Spins holds a UKGC license and runs on the award winning Dragonfish Casino platform.

Visit Electric Spins
First-time depositors only (18+ UK exc NI). Min Deposit: £10. Max Offer: 25 Free Spins [on a game of our choice]. Promo code: ELECTRIC. Free Spins Winnings will be capped at £2.50 and credited as bonus funds. 40x wagering applies to bonus funds. Games Bonus winnings are capped at £100 + original bonus amount. Games bonus funds may only be used on selected games only. Wagering requirements vary by game. Deposit balance is available for withdrawal at any time (UK only). General withdrawal restrictions & full T&Cs apply. more about this casino..

New Spins Casino: Win 500 Spins on Fluffy Favourites (updated)

New Spins Feature

UPDATE 26/7/2022 – The 20 Free Spins offer is currently NOT available. New Spins instead offer the chance to spin the mega reel with a chance to win up to 500 free spins on Fluffy Favourites video slot. The links in this article have been updated to point to the new offer.

New Spins Casino are giving 20 free spins to new customers with no deposit needed. We have reviewed the casino and provide the instructions needed to sign up and claim this offer

New Spins is brand new casino from Jumpman Gaming and partnered with the celebrity magazine “New!”  To celebrate the launch of their latest brand, they are giving all new players 20 spins on the hottest slot of all, “Chilli Heat”, completely free! You dont need to deposit anything to claim the spins, you simply sign up for a new account via one of our bonus links and register a valid payment method(to electronically verify your age). The 20 free spins will be credited!  New! Spins is the new sister site to super popular UK casino brands Mirror Bingo and Express Wins.  New Spins is licensed and regulated by the UKGC.

Visit New Spins Casino
New players only, no deposit required, valid debit card verification required, £8 max win per 10 spins, max bonus conversion £50, 65x wagering requirement, full t&cs apply more about this casino..

Kozmo Casino: 25 Free Spins New Player Promotion (Deposit Needed)

kozmo casino banner

This article provides bonus details for the Kozmo Casino 25 free spins offer which is available to new customers who sign up using the instructions we provide here.

We’re not sure if the “Kozmo” in Kozmo Casino is a play on the word Cosmos, meaning everything in the universe and all that will ever be, which is pretty cool, or the delicious cocktail drink enjoyed by women and secure men everywhere. This isn’t really important, what we wanted to tell you was that new players that sign up at Kozmo Casino and make a minimum qualifying deposit of just £10 and use the promo code “SPINS” will get a whooping 25 free spins to use on slots. Thats not all, as you can claim as much as 50 free spins everyday as a reward for playing at Kozmo Casino.

Visit Kozmo Casino
First-time depositors only (18+ UK exc NI). Min Deposit: £10. Max Offer: 25 Free Spins [on a game of our choice]. Free Spins Winnings will be capped at £2.50 and credited as bonus funds. 40x wagering applies to bonus funds. Games Bonus winnings are capped at £100 + original bonus amount. Games bonus funds may only be used on selected games only. Unused Free Spins expire after 7 days. Promo code: SPINS. Deposit balance is available for withdrawal at any time (UK only). T&Cs apply. more about this casino..

Thor Slots: Spin the Mega Reel to Win Prizes

thor slots mega reel

Sign up at Thor Slots today and spin the mighty Mega Reel for your chance to win up to 500 free spins on Vikings Go Berserk video slot. The Mega Reel is a special casino offer only found at Thor Slots, and after you have signed up and claiming your free spin on the Reel that is Mega, you can get another spin every time you deposit a minimum of £20. The prizes awarded by the Mega Reel can be anything from free spins on slots, to Amazon gift vouchers. Find out how to claim this offer below.

Visit Thor Slots
new players only, min deposit £10, £8 max win per 10 spins, max bonus equal to lifetime deposits (up to £250), 65x wagering requirements and full t&cs apply more about this casino..

Spin Rider Casino 100% Match up to £300 Welcome Bonus

spin rider casino

We love Spin Rider, its one of the coolest looking casinos online, just think the movie ‘Drive’ with Ryan Gosling, all that’s missing when you hit the site is a cool synthwave soundtrack and Carey Mulligan trying her best too not to look like the total smoke show she is!, but more importantly, new players that drift on over to Spin Rider Casino today can bag a 100% instant match bonus on your first real money deposit. Spin Rider will match your first deposit from £20, up to a massive £300, and they will throw in 50 bonus spins for you to play on Net Ent Slots. This is part of a three tier welcome package which can see new players claim up to £1800 in bonus cash and over 100 bonus spins.

Visit Spin Rider Casino
18+. New players only. 1 bonus offer per player. 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. Bonus funds are 100% match up to £300 on your 1st deposit, 40% match up to £1000 on your 2nd deposit, and 80% match up to £500 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds contribute towards any wagering requirements. Terms apply. more about this casino..

21Prive Casino: £1300 Welcome Package & 200 Starburst Spins


Sign up today at the super exclusive and sexy 21Prive Casino and enjoy a welcome bonus offer worth up to £1300 and 200 bonus spins on the best slot games around.

21Prive have opened their doors to new members by offering a brilliant five part deposit match bonus that kicks off with a 125% match up to £300 and 200 spins on Starburst when you made a minimum deposit of just £20! Yes you read that right, deposit just £20 and 21Prive will give you 200 spins to play on Starburst, keep what you win!*

Visit 21Prive Casino
18+. New Players only. 1 offer per player. Min deposit £20. Max Bonus Bet £5. Bonus funds must be used within 30 days and bonus spins within 10. 200 bonus spins valid on selected games only and credited at a rate of 40 bonus spins per day over 5 days, triggered on your 1st deposit. Bonus spins winnings credited as bonus & capped at £100. Deposit match bonus offers are: 1st dep: 125% up to £300, 2nd dep: 75% up to £300, 3rd dep: 50% up to £300, 4th dep: 25% up to £300, 5th dep: 100% up to £100. Bonus funds separate to cash fund and subject to 35x wagering. Only bonus funds count towards wagering contribution. Terms apply. more about this casino..

Paradise8 Casino: 28 Free Spins with No Deposit

paradise8 no deposit

UPDATE 7/2/2023 – Paradise8 Casino no longer offer 28 free spins with no deposit required. Instead, we recommend the 100 free spins at Casino Castle.

New players get 28 free spins at Paradise8 Casino using our exclusive links. We provide sign up and claim instructions in this article.

How would you like to wash up on a desert island filled with the best slot games under the sun and where the spins are free!? sounds like paradise right, well that’s what Paradise8 Casino are offering exclusively to you when you sign up for a new account using our exclusive promotional links. Get 28 spins free with no deposit when you register an account through the special landing page we have been allowed to promote to New Casino Bonus fans. more about this casino.. We review the £100 Match Bonus & 200 Spins

casino dot com

The following article provides sign up and claim instructions for the welcome bonus. are giving all new players a massive 100% deposit match bonus and 200 free spins, just for signing up as a new player, validating your account and making a minimum first time real money deposit of £20.  The maximum bonus amount offered is £100, so if you deposit £100, you will get £100 free, giving you a bankroll of £200 to start playing with!  The 200 free spins are credited in in the form of 20 spins a day, for 10 days, on the brilliant video slot Age of the Gods. See below how to claim this bonus.

New customers only. 20 spins for AOTG slot, 180(20 per day) following first deposit. Spins valid for 24 hours, exp in 30 days. Winnings credited at bonus funds with x20 wagering, max win £100. Min deposit £20 for bonus match. x40 wagering, game weighing restrictions apply, betting limits, t&c’s apply. more about this casino..

Types of Online Casino Bonuses

Before we can discuss how we choose and rate online casino bonuses, it is essential to understand the different types of bonuses available. The most common types of online casino bonuses are welcome bonuses, no deposit bonuses, free spins bonuses, and exclusive bonuses. Welcome bonuses are usually offered to new players as an incentive to sign up and make their first deposit. No deposit bonuses are offered without the need for players to make a deposit. Free spins bonuses are often included in welcome packages or offered as a standalone promotion. Reload bonuses are offered to existing players to encourage them to continue playing at the online casino. Understanding the different types of bonuses available will help you determine which ones are worth claiming.

How We Choose Online Casino Bonuses

At NewCasinoBonuses, we have a team of expert casino writers who are dedicated to researching and reviewing online casinos and online casino bonuses.

When choosing which casino promotions to feature on our website, we consider a variety of factors.

Only when a casino promotion scores high in all these areas do we list it here on NewCasinoBonusesUK.

How We Rate Online Casino Bonuses

Once we have chosen which online casino bonuses to feature on our website, we rate them using a 5-star system and the best get featurd in our highest rated casino section.

The rating system takes into account the bonus value, wagering requirements, and the reputation of the online casino. A bonus that offers excellent value, has fair wagering requirements, and is from a reputable online casino will receive a 5-star rating. Bonuses that fall short in one or more of these categories will receive a lower rating.

We believe that providing a rating system allows you, the player, to quickly determine which bonuses are worth claiming.

Using NewCasinoBonuses.UK to Find Casino Bonuses

Using NewCasinoBonusesUK to find online casino bonuses has several benefits.

Casino Welcome Bonuses

Welcome bonuses are often the first bonus type you'll encounter when joining an online casino. These bonuses serve to attract new players by matching their initial deposit up to a certain amount. For instance, if a casino is offering a 100% match on your first deposit up to £100, this means that if you deposit £100, you will receive an additional £100 as bonus money, giving you £200 to start playing.

In addition to the extra funds, welcome bonuses can also come with free spins on slot games. Unlike standalone free spins, these are usually tied to your first deposit. If you win money using these free spins, that money is added to your account and can be used to play other games or can be withdrawn, depending on the casino's policy.

It's important to note that welcome bonuses are generally a one-time offer, available only to new players when they first join a casino. Therefore, it's worth considering how much you're willing to deposit the first time to make the most of this bonus.

Match Bonuses

Match bonuses are a common and popular registration bonus you'll often see in the UK online casino world. These bonuses work by matching a percentage of your deposit, effectively increasing your playing funds. For example, if a casino offers a 100% match bonus up to £200, depositing £200 would give you an additional £200, totaling £400 to play with. Alternatively, if the casino offers a 200% match bonus up to £200, depositing £100 would give you an additional £200, totaling £300 to play with.

100% Match Bonus

A 100% match bonus is straightforward: the casino matches your deposit dollar for dollar. If you deposit £100, you get an extra £100 from the casino, giving you £200 in total to wager. This type of bonus is popular for its simplicity and is often the first bonus new players encounter. It's a good way to double your funds and extend your playtime.

200% Match Bonus

With a 200% match bonus, the casino goes a step further. For every £1 you deposit, the casino gives you £2. So, if you deposit £100, you'll receive an additional £200, making your total £300. This bonus is less common but offers a significant boost to your playing funds, allowing you to place higher bets or play for a longer period.

No Deposit Casino Bonuses

No deposit bonuses stand on their own merits as a popular type of casino bonus. These bonuses don't require you to deposit any money, making them a risk-free option for trying out a casino. Generally, they consist of a small amount of bonus money or a set number of free spins on slot games.

The appeal lies in the opportunity to win real money without any financial commitment. However, these bonuses usually come with specific rules, like game restrictions or win limits, so it's important to read the fine print before claiming the bonus.

This type of bonus is often the go-to choice for players not yet ready to make a real money deposit at a new casino. It provides a way to get familiar with the casino's games and features without any risk.

Free Spins Casino Bonus

Free spins are another common bonus you'll come across as a online casino player in the UK. Unlike bonus money, free spins are designated for slot games and are often given as part of other bonuses or as stand-alone promotions. If you're keen on slot games, free spins give you more chances to play and win.

Some casinos award free spins when you sign up with no deposit required - while others give them out with a minimum qulaifying deposit. It's also not unusual for casinos to include free spins with a deposit match bonus - For example, Regent Play Casino's welcome bonus is a 100% match bonus and 100 free spins. The number of free spins offered by casinos can range from as little as 10 free spins, to as many as 100 free spins!

The money won from these free spins will then be subject to wagering requirements before the money is cashable ie. goes into your real money balance and can be withdrawn. This makes free spins a not only a great way to increase your chances of winning more money, but as a way to extend your play time.

No Wager Free Spins

No wager free spins is a type of bonus where you get to spin the reels on slot games without worrying about wagering requirements. The casino awards you a set number of free spins, and if you win, you can withdraw those winnings immediately. There are no strings attached or requirements to meet, which sets these spins apart from regular free spins.

These spins often come as part of a sign-up bonus or can be awarded during special promotions. They can vary in number, but the main advantage is always the same, your winnings are yours to keep right away. The immediate access to your winnings makes this type of bonus highly sought after.

But whats the catch? the catch is you will always have to deposit first in order to trigger this type of bonus - also, you will often find a max win rule is in place with this promotion.

High Roller Bonuses

High roller bonuses are designed for players who are willing to deposit large sums into their casino accounts. These bonuses often involve significant amounts of extra money or other perks to make the large deposits more worthwhile. For example, if you deposit £1,000, a high roller bonus might give you an additional £500 to play with.

It's not just about getting extra funds. Some casinos offer other benefits for high rollers, such as dedicated account manager, complementary bonuses, faster withdrawal times, and even personalised real world gifts, such as tickets to events, holidays, and gift hampers. These extra perks aim to make high roller players feel special and continue to patronage a casino site.

You should be aware that high roller bonuses often come with higher wagering requirements.

Why NewCasinoBonusesUK is Your Go-To for UK Casino Bonuses

Expert Reviews

When it comes to UK casino bonuses, NewCasinoBonusesUK is the resource you can rely on. Our skilled team doesn't just glance over online casinos; they conduct careful, in-depth checks. From the quality of bonuses to the responsiveness of customer support, we provide fair and detailed reviews that cover all the bases.

Latest Deals

The online casino landscape is ever-changing, and falling behind can mean missing out on great opportunities. That's why our team is constantly monitoring the market, ensuring you're always up-to-date with the newest and most appealing deals available.

Easy to Use

Your time is valuable, and we respect that. Our website is designed for quick and straightforward navigation. With organized categories and an intuitive layout, you can find the information you're looking for in a matter of seconds.


Trust is hard to earn and easy to lose. Our strong Trustpilot rating is a testament to our commitment to honesty and dependability. We only suggest casinos that are fully licensed and regulated, ensuring you can play with peace of mind.

Smart Choices

Knowledge is power, especially when it comes to online gambling. Our clear, detailed bonus information is designed to help you make informed decisions, allowing you to choose promotions that align perfectly with your playing style and preferences.

Special Deals

Why settle for standard promotions when you can have more? Our focused team works hard to secure exclusive bonuses just for our users. By choosing NewCasinoBonusesUK, you gain access to special deals that you simply won't find anywhere else.

Choose NewCasinoBonusesUK for the most reliable, current, and expert-backed information on UK casino bonuses. We're here to assist you at every turn.

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