Best Slot Bonus UK

Whether you want the latest UK slot bonus or a no wagering sign up bonus with free spins, WinLottoJackpots has the best collection of UK regulated slots sites, bonuses and offers for you to choose from.

Our pick of the best slot bonuses for UK players

  • Slots n’ Play

    UK slots bonusUKGC Licence + UK players
    New slots, drops n wins, table games
    Slots sign up bonus across 4 deposits
    Slots tournaments + promotions
    Slots n' Play Casino
    Get Free Spins on Starburst
    50% up to £50
    + 20 Extra Spins on Starburst
    + 3 extra deposit bonuses
    Terms and Conditions apply. Offer valid upon 4 deposits. New players only. 18+. Min deposit £20. Welcome package split over 4 deposits, 35x wagering applies. Full Terms apply. #AD
  • The Pools Casino

    300 Free Spins
    UK casinoUKGC Licence
    New slots, arcade, jackpot games, midweek slot tournaments, football pools, win for life lottos
    First deposit sign up bonus with free spins
    40x wagering
    The Pools Casino
    100 free spins slots bonus
    Stake £10 on Slots
    Get 100 FREE Spins on Bacon Banker Slot
    18+, UK only. First deposit and Stake £10 on casino slots. On qualification of the promotion, you will receive 100 Free Spins on Big Catch Bass Fishing. Qualifying players will have the Free Spins credited to their account the following day by 5pm. Free Spins will expire 7 days after award. Full T&Cs apply. | #AD
  • Spinzwin

    UK slots bonusUKGC Licence + UK players
    Popular games, new slots, sports betting, jackpots, live casino
    Slots welcome bonus, rewards, weekly promotions
    Excellent mobile casino
    50x wagering
    Spinzwin Casino
    Welcome Package up to £1,000
    + 100 Free Spins
    New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Min Deposit £20. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. #AD

  • Monster Casino

    UK slots bonusUKGC Licence
    Top slot games, online scratch cards, free spins, betting, instant wins
    5 slot bonuses, cashback weekends, rewards leaderboard
    50x wagering
    Monster Casino
    1st Deposit Offer
    Get 50 Free Spins
    New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Min Deposit £20. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. #AD
  • Casino

    UK slots bonusUKGC Licence + UK players
    Lotteries, scratch cards, new slots games, live casino, game shows
    Slots welcome bonus with no wagering – exclusive Casino
    Free Spins Big Bass Bonanza Slot
    Play with £15
    Get 50 No Wager Free Spins
    18+, #AD
  • Play OjO

    UK slots bonusUKGC Licence + UK players
    3,000+ games
    No wagering free spins slots bonus
    PlayOJO online slots bonus
    Get 50 Free Spins
    With Your First Deposit
    18+, new customers only, Full T&C’s apply, 0x wagering, min deposit £10. #AD

  • PlaySunny Casino

    Union JackUKGC Licence + UK players
    Instant games, jackpots, popular online slots, new games, drops & wins
    Slots deposit match bonus with free spins
    40x wagering
    Playsunny Casino Slots
    Play Sunny Casino Logo
    Get 100% Bonus up to £50
    + 50 Extra Spins on Big Bass Bonanza!
    1st Deposit Bonus Minimum deposit: £10 Wagering requirements: 40x bonus Deposit NOT LOCKED Maximum bet: £5 Maximum cashout: £250 New players only 18+, Terms apply, please gamble responsibly Placing a wager on any Live Casino, Table Games, Video Poker or Slingo Games will forfeit the Welcome Bonus. | #AD
  • Grosvenor Casino

    Best online scratch cards to buy in the UKUKGC Licence + UK players
    Top slots, new games, original titles, frequent wins, jackpots, poker
    Free to play wheel of wins, new player prize draw, sign up bonus, slots tournaments
    30x wagering
    Grosvenor Casino
    Welcome Bonus
    Deposit £20
    Play with £50
  • Betfred Casino

    UKGC Licence + UK players
    Mystery free spins, lotto betting, virtual sports, casino, exclusive games, instant wins
    UK slots deposit bonus
    35x wagering
    Betfred Casino
    Stake £10
    Get 200 Free Spins
    18+,New customers only.Deposit, using a Debit Card, and stake £/€10 or more, within 7 days, on Slots at Betfred Games to receive 200 Free Spins on selected titles. £/€0.10 per spin. Free Spins credited within 48 hours. Free Spins are valid for 7 days. Full T&Cs #AD

  • Karamba

    UK casinoUKGC Licence + UK players
    500+ games
    First deposit sign up bonus with free spins
    40x wagering
    Karamba Casino Logo
    Min deposit: £10
    100% Bonus up to £200
    + 100 Spins
    18+. Welcome bonus: New UK depositing players only. Min first deposit: ‎£10. Max bonus £200. 100 spins require 3 deposits. 100% bonus and 20 spins on 1st deposit. 40 on 2nd deposit (min £20), and 40 spins on 3rd deposit (min £20). Spins issued on selected games. Spins and bonus wagering requirement: 35x, spins expire after 24 hours. Gambling can be addictive. Play responsibly, T&C’s apply. | #AD
  • All British Casino

    UK sign up bonusUKGC Licence + UK players
    300+ games
    Daily Spins
    35x wagering
    Min deposit: £10
    100% up to £100
    + Always 10% Cashback
    New UK Players only. 18+. Maximum bonus is 100% up to £100. Min deposit is £20. No max cash out. Wagering is 35x bonus. Maximum bet while playing with a 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. Full t&c’s apply. #AD
  • All British Casino

    UK sign up bonusUKGC Licence + UK players
    888 exclusive, new games, top slot games, excellent live casino platform
    Free spins no deposit slot bonus on sign up
    30x wagering
    888 Casino
    88 Free Spins No Deposit Needed
    + 100% up to £100 First Deposit Bonus
    No Deposit Offer: New players with valid mobile number only • Claim in 48 hrs • 14 day expiry • Valid for selected games • Pre-1st deposit only: FS voucher winnings is uncapped, bonus wins & max redeemable amount for non-funded players capped at £100 • Wager Bonus x1 – req. contributions vary by game • Bonus expires in 90 days • Deposit Offer: 1st time depositor at 888casino only • £20 min deposit • Claim in 48 hrs • Valid for selected games • Bonus wins capped at £500 • Pre-1st deposit only: Bonus wins & max redeemable amount capped at £100 • 30x wagering – req. vary by game • Bonus expires in 90 days • Payment method & country restrictions apply • Withdrawal terms, No Deposit Offer terms & Deposit Bonus Offer terms apply. #AD

  • Peachy Games

    UK slots bonusUKGC Licence + UK players
    New online slots, bingo rooms, tables, scratchcards, live games
    Loyalty Club
    40x wagering
    Peachy Games online slots bonus
    100% up to £50
    + 20 Bonus Spins

    18+. New players only. 100% bonus on first deposit up to £50 & 20 Bonus Spins. Bonus spins are credited immediately and are valid for Rich Wilde and the Book of Dead slot only. Min first deposit of £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £250. 40x wagering requirements.Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. #AD
  • MrQ Casino

    Union JackUKGC Licence + UK players
    Slingo games, new slots, top-tier titles, online bingo, live casino
    Slots welcome bonus with 0x wagering
    No wagering
    MrQ Casino Logo
    20 Free Spins
    With Your First Deposit
    All winnings paid in cash
    20 Free Spins credited upon your first £10 deposit on Book of Dead slot only, valued at 10p per spin. Free Spins must be used within 48 hours of qualifying. All winnings are uncapped and credited to your real money balance. Full Terms apply. | #AD
  • Jackpot Paradise

    UK licenced bonusUKGC Licence + UK players
    550+ games
    200 slots welcome bonus
    50x wagering
    Jackpot Paradise Casino Logo
    Min deposit: £10
    Up to £200 Bonus
    + 100 Spins
    New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days from issue. Max conversion: 3 times the bonus amount. Excluded Skrill deposits. Full Terms apply. | #AD

Our top 10 slot sites for UK slots bonuses in 2024

#1. Slots n’ Play

Slots n’ Play is a UK slots site and games platform where players can enjoy a variety of slot games and other casino games. It offers a wide range of new online slots with different themes, features, paylines and bonuses. In addition to slots, the casino also offers table games such as blackjack, roulette and poker. Players can access the casino through their web browser or download the mobile app on their smartphones or tablets. Slots n’ Play also provides a safe and secure gaming environment with encrypted transactions and fair gameplay.

In essence, Slots n’ Play Casino offers a comprehensive and thrilling online gambling experience, combining a wide variety of top slot games, mobile accessibility, secure gaming, enticing bonuses and professional customer support. Therefore, it’s our best slot bonus in 2024 right now.

Get Free Spins at Slots n Play
#2. The Pools Casino

The Pools shines as one of the most well-rounded UK gambling websites on the market today, featuring free to play games, original content, an arcade and the famous football pools. Throw in online casino, slots, the Pools minted 4 life lotto, and it becomes one of the top-rated platforms for slot bonuses.

Now integrated as part of the online football pools site, the casino is just one part of this colossal betting network that features over 1,000 ways to bet on everything from lotto to online slots. Known as somewhere people come to play when they want to dream big without spending huge, The Pools is exciting, fun and good value for gameplay.

The Pools Casino
#3. Spinzwin

You don’t want to miss the jackpots and popular games you can play right now at Spinzwin. It might not be our first pick when looking for slot sites for UK players, but the standout £1,000 deposit slots bonus with free spins is hard to ignore. There’s also a slick user interface, security and some of the best in-play features on games you can find anywhere. Using the ProgressPlay iGaming platform, there’s a slots sign up bonus, a rewards programme and lots of content to keep you entertained.

Spinzwin UK slots site bonuses
#4. Monster Casino

Online slots, scratch cards, live dealer games and sports betting are just some of the options Monster Casino offers. The top slot site prides itself on software and mobile play – like its Playtech content, Elk Studios essentials and many other excellent providers making free spins, multipliers and rolling reels available on your smartphone or tablet device.

There are so many reasons to like Monster, but if you’re looking for slots with the best welcome bonus – few competitors offer up to £1,000 with 100 free spins in 2024. Best for online slots players who like bonuses and new games with the latest features, Monster Casino is our go-to option for bigger and better offers.

Monster casino has one of the best slot bonuses if you deposit
#5. UK Casino

Known for their lottery betting, instant games and top-choice new slots, is deservedly on our list of the best UK slot sites. You can filter to play pretty much anything, including online scratch cards, live casino tables and worldwide lotteries; what’s more – you can purchase Euromillions tickets and join UK lotto and Thunderball syndicates at this website.

As one of the best slots welcome bonus with no wagering requirements, our UK exclusive offers a massive 50 no wager free spins on Bigger Bass Bonanza. Be sure to sign up for one of the most competitive deals on our list.

Jackpot com UK slots site
#6. Play OjO Casino

Play OJO does it best if you want slot sites with no wagering. They offer an excellent no wagering slots UK bonus, live casino and fairer gaming on 3000+ real money games. Operated by Skill on Net Ltd, is considered one of the top platforms for new games with regular content added to the website. Check out their OJO’s Specials for exclusive features, including OJO Plus, The OJO Wheel, Prize Twister, Hot and Cold Games and OJO Levels.

Play OJO is well known for the no wagering slots bonus
#7. Playsunny Casino

It’s no surprise to see Playsunny Casino in our rankings – the tropical-themed beachgoers slot site from Dazzletag Entertainment Ltd is an absolute must-play gem. It features 7th on the list thanks to new games from the top developers, an easy-to-use website, play-safe tools and UK licensing. By coupling excellent online slots with a quirky and fun theme, Playsunny delivers a terrific service that hosts a variety of gaming options.

Playsunny Casino
#8. Grosvenor Casino

Grosvenor is a long-time favourite of WinLottoJackpots and one of the few casinos to feature repeatedly on our list. As one of the leading slot sites in the UK, the Grosvenor brand is solid and features one of the best collections of games you can find in 2024. There’s also an excellent search tool, so you can quickly find new online slots, jackpots and other exciting ways to win real money. You can also access immersive gameshows, drops and wins, sports betting, mobile play and live casino.

Sign up for a free account to access Grosvenor Casinos free play or deposit to take advantage of Grosvenor’s competitive deposit £20 and get £30 slots bonus. Some of the best slots here include Rainbow Burst, Beach Invaders and Book of Mega Moolah. We’re also big fans of the daily free-to-play wheel of wins, new player prize draw and £1,000 slots bonus hunt. For a trusted piece of mind and some great games, go with Grosvenor!

Grosvenor Casino Slots Bonus
#9. Betfred Casino

Betfred offers some of the best value for your betting money across several entertainment verticals. It’s straightforward to use, highly trusted and absolutely packed with slot games, including the fantastic Kingdoms Rise slots series. There’s also exclusive features like lotto betting, sports betting, virtual sports and a Vegas room – you’ll probably struggle to decide what to play with over 2,000 choices of stuff to do. That’s in addition to a strong slots welcome bonus on registration, with 200 free spins on the table.

Betfred Casino
#10. Karamba Casino

Karamba might not be the most well-known casino in our lineup, but it is arguably the most accomplished site for new slots. There’s a simple sign-up, live casino, mobile games and Slots’n Bash that we couldn’t be without. If you join Karamba Slots, you can access top-rated iGaming content and stacks of in-play bonus features. There’s also an active winners display bar that shows the winning activity across the site – hopefully, your name will show up here. Overall, Karamba’s welcome offer, weekly draws and early cashouts are enough for us to place them top 10.

Karamba is one of the best UK slots sites in 2024

What is a UK slot bonus?

It might seem like a simple question, but a UK slot bonus refers to a promotional offer or incentive provided by online casinos to players in the United Kingdom. These bonuses are for playing online slots and other slot games, attracting new players and retaining existing customers. A slot bonus can come in various forms such as:

  • First deposit welcome bonus
  • No deposit slot bonus
  • Free spins
  • Multiple deposit bonuses
  • No wagering slot bonus
  • Casino reload bonus
  • Cash back bonuses

First Deposit Welcome Bonus

This is a common slot bonus offered to new players signing up at an online casino and involves the player making a first deposit to receive the bonus. Often set at 100%, first deposit bonuses are match bonuses in which the casino matches a player’s deposit. These welcome bonuses are considered the most competitive, with casino operators increasing the bonus amount, percentage of the match, and the number of deposits to give new players the best sign-up offer.

No Deposit Slot Bonus

A no deposit slot bonus is a welcome offer provided by online casinos that allows players to enjoy slot games without having to deposit. To claim these types of bonuses, players usually need to sign up for an account and use a bonus code during the registration process. Finally, after ID verification and account activation, players then receive a predetermined amount of bonus money or free spins with no deposit needed. As the most lucrative of all UK casino welcome bonuses, the no deposit slot bonus is a hard one to find.

Free Spins

Free spins – the most popular UK slot bonus – for good reason, too. Often awarded on games like Starburst, Book of Dead or Fishin’ Frenzy, Free Spins are a staple for UK casino sign up bonuses and welcome offers. Moreover, there’s no limit on how far casinos will go to encourage new players, with hundreds of free spins up for grabs across the market. But don’t focus too much on the word free; these bonuses often require a deposit.

Multiple Deposit Bonuses

Multiple deposit bonuses offer a package of either deposit match bonus money, free spins or even both given to players across numerous deposits made at the casino. If you’re somebody who wants to make deposits and play for real money, this option is likely the best slot deal for you. But always check the match bonus percentages and free spins amount across each deposit first. Often marketed as a £1,000 welcome bonus with 200 free spins, this total, for example – might be offered over your first four deposits.

No Wagering Slot Bonus

UK online casinos offer no wagering slot bonuses that do not require players to fulfil any wagering requirements to withdraw their winnings. Usually, when players receive a sign up bonus, they are required to wager a certain amount of money, typically a multiple of the bonus amount – before they can cash out any winnings. However, with a no wagering slot bonus, players can immediately withdraw their winnings with the total balance paid in cash.

No wagering is gaining popularity among UK players as it offers a more transparent and fair approach to casino promotions. Hopefully, we’ll see a lot more of these in the future.

Casino Reload Bonus

Unlike a welcome bonus offered to new players upon their initial deposit, a reload bonus rewards existing players – usually when they “reload” a deposit into their account. The specific terms and conditions of a reload bonus can vary between different online casinos, but generally, a reload slot bonus will offer a percentage match on the player’s deposit amount. However, it’s worth noting that reload bonuses are often smaller than welcome offers, usually set at 30 – 50% deposit match.

Cash Back Bonuses

If you’re down on your luck, and we all know that online casinos aren’t the biggest losers out there! Cash back might be your thing. A casino cash back slot bonus offers an incentive to players by crediting their account with a percentage of losses incurred over a specific period. In some casinos, cash back bonuses are offered for life at a rate of between 5 and 20 percent. One main advantage of cash back is that it’s usually real, withdrawable money or bonus funds with low or no wagering requirements. But remember, if you’re getting cash back, it’s because you’ve lost money.

Whether you’re looking for free spins, a slots deposit bonus or no wagering requirements, all casino bonuses are there to get you signed up and playing regular casino. That said, there are some good UK slot sites and offers if you’re willing to do some research.

How to find the best UK slot bonus in 2024

2024 is well underway, and we already have some of the best casino sign up bonuses for UK slot players added to our listings. But how did we find these bonuses? In this section, we’ll show you what to look for before choosing what’s right for you.

When looking for the best slot deal for you, here are some things to think about:

  • Slot bonus provider licensed and regulated by the United Kingdom Gambling Commission (UKGC)
  • Bonus amount
  • Wagering requirements
  • Terms and conditions
  • Bonus type
  • Game eligibility and contribution
  • Maximum bet limit
  • Maximum cash out
  • Casino reputation
Licensed and regulated UK slot bonus

Researching the reputation and credibility of the online casino offering the slot bonus is important. While you might see a temptingly high amount of free spins on sign up, the operator must be a trusted gaming platform. As we’re in the UK, we only recommend UK slot bonuses from sites regulated by the United Kingdom Gambling Commission. The UKGC safeguards players and the wider public by ensuring fair and safe gambling.

How much bonus?

The bonus amount refers to the specific value or monetary reward an online casino offers as part of a promotion or welcome offer. It can come in various forms, such as free play, bonus funds, free spins or a combination of each type. As a rule of thumb, the higher the amount, the more appealing the slot deal might seem, but you need to consider percentages, wagering requirements, max cash out and general terms and conditions before signing up.

Wagering requirements

Wagering requirements play a crucial role in determining a UK slot bonus’s overall value and usability – they define the number of times you must wager the bonus amount or the winnings generated from it before you can withdraw. These requirements ensure that players do not simply claim and immediately withdraw the bonus, protecting the casino operator from bonus abuse. Until you meet the specified wagering requirements, the bonus funds or winnings are held in a separate balance.

We can examine wagering requirements against the slot welcome bonus amount to determine if they are reasonable and fair. Some offers might impose much higher wagering requirements, making converting the bonus funds into real money difficult. We can assess whether the promotion provides a fair opportunity to win and enjoy the gameplay by carefully reviewing the requirements. It’s often better to choose a lower bonus amount with lower wagering requirements – even better if there are no wagering requirements.

Terms and conditions

Always read the terms and conditions before choosing a slots casino bonus. Click on the link to access the terms and conditions page. Read the information carefully, paying attention to the key sections that contain the relevant details. If you’re looking at free spins deals, look specifically for that title. If it’s a deposit welcome bonus, look for anything explaining the terms and conditions of that offer. As mentioned above, you can look into bonus value and wagering requirements to compare the top slot offers.

Type of bonus

There are several different types of online slots bonuses that UK slot sites offer to attract new players. The top deals include everything from first time deposit match bonuses to free spins with no wagering on sign up. But remember, it’s not just about the bonus! So we only give our best recommendation to the casinos with the very best games, platforms and promotions. Only some of our slot bonuses are super competitive, but consider the brand and playing power once the sign-up offer has gone! We do.

Wagering contributions

It can be tempting to pick the welcome bonus with the most free spins or lowest wagering value, and sometimes, why not? But is the featured game any good, and what games contribute to the wagering requirements? To understand this, we need to look at the wagering contributions – ranging from 100% for online slots to 5% for some table games like Craps. If you’re using your slots bonus to play slots and let’s face it, most of us are, then you’ll be playing through those wagering requirements. But it’s always worth checking.

Maximum bet limit

Maximum bets vary hugely throughout the UK regarding slot site sign-up bonuses, and some casinos offer much better than others. So what are we looking for? Firstly, it’s all about the value beneath the marketing phrase. 20 free spins might look better than a £5 deposit match bonus, but if those free spins are worth just 10p each, that’s only a £2 bonus. Going the other way, if you deposit £50 using a 100% deposit match to get £50 in bonus money with a maximum bet of £5 – you’re limited to 10 separate bets, consequently reducing any big wins on the return.

Some of the biggest slot promotions for UK players might look good on paper, but run them through a calculator, and there’s sometimes a different story. Look out for maximum bets and the value of free spins before choosing your bonus. Again, this is why no wagering bonuses with winnings paid in cash are the most competitive bonuses, because even if the free spins are not worth much, there’s a realistic chance of cashing out your winnings from the bonus.

Maximum cash out

The term “bonus max cash out” refers to the maximum amount of real money a player can withdraw from their account when using a slots bonus at an online casino. In the UK, all bonuses should include the maximum withdrawal from bonus funds on any welcome offer or advertisement. In other words, It is the maximum amount that can be converted from a bonus to cash – that the player can then withdraw to their bank account.

Casino reputation

The best UK slot sites can acquire good reputations through various factors and practices. As far as the casino site is concerned, there is nothing worse than just signing up for the bonus. They don’t just want players; they want loyal customers who return because they like the operator, the gameplay is fair and safe, and there are regular new games and lots of promotions – not just first-time deposit welcome bonuses.

Best slot bonuses recommended by WinLottoJackpots

Whether it’s playing Powerball in the UK, comparing the biggest jackpots or choosing an online slots bonus, you have plenty of options out there. But how do you know what’s really good? That’s how WinLottoJackpots can help. By looking carefully at what different websites have to offer, our team have hand-picked the best options by using the information we’ve explained on this page. So why settle for the lottery when you can have lottery sites with slots? Good luck players.