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18+ New Customers only. GB and ROI only. Use promocode: casino50 Minimum deposit & wager £25 on Drops & Wins slots required. 50 x 10p free spins on Big Bass Bonanza valid for 7 days, winnings capped at £500. Wagering must be completed within 24 hours of registration. Restrictions + T&Cs apply.

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This promotion is for new customers only. Customers must be 18+. Customers must be residents of the UK/IE.

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New customers only aged 18+. Minimum deposit £10. Get a Casino Bonus matched to your first deposit, up to £100, after you stake £20 on slots, credited within 48 hours. Bonus expires in 7 days and has a 40x wagering requirement. Additional T&Cs apply. Please bet responsibly.

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New customers & 18+ only. Min. deposit of £10. Qualifying real money bet of £10. Min odds greater than or equal to 1.5 required. E/W bets excluded. Offer credited within 48 hours. Additional T&Cs apply. Please gamble responsibly.

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#AD New customers only, min deposit £10, wagering 40x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply. +18, Please Gamble responsible. BeGambleAware.org

For many online casino players, finding the best casino bonuses is almost as exciting as winning a hand in Blackjack or a jackpot in an online slot game. The bonus money, or spins, can be used while playing real money games and can give you that little bit extra to win.

MansionCasino UK is dedicated to providing our UK players with the best possible selection of casino bonuses and promotions from the best online casinos uk. From Welcome Bonuses and Reload Bonuses, to VIP programs and Golden Chips, all you need to do is register your online casino account to get started.

This guide will review everything you need to know before staking your claim in a juicy casino bonus. You will learn about the many variations of bonuses, what the terms and conditions mean, how the bonus funds work, tips, and more. So sit back and get ready to indulge in all things bonus-related.

Online Casino Bonus Types

You will find that most online casino sites have a dedicated promotions page where you can find all the available offers. Additionally, many casinos will send bonus treats directly to your email. Online casino bonuses come in many shapes and sizes, such as no-deposit bonuses, deposit bonuses, free spins, cashback, and more. These bonus types will also come attached to different terms and conditions.

Below, we will provide a breakdown of each type of UK casino bonus.

  • Casino Welcome Bonus: The casino welcome bonus is widely known as the most generous and best casino bonus. This is because this bonus is designed to attract new players to sign up and make a deposit. The welcome bonus is only available on your first deposit. This first deposit bonus can come in many forms, including bonus funds, free spins, and even a combination of both. Additionally, many top UK casino sites will offer players a multi-deposit welcome bonus. This means you can claim a special deposit bonus on your first, second, and third deposits. These bonuses are designed to turn you into an active player at the chosen casino.
  • Deposit Bonus: The deposit bonus is one of the most popular variations of the casino bonus. The bonus requires the player to make a real money deposit to be claimed. This can come in many forms, but the most popular is a percentage back of your deposit amount as a bonus. For example, a casino may offer a 100% bonus of up to £100, so when you deposit, you will get the same amount on top of a bonus of up to £100.
  • No Deposit Bonus: The no deposit bonus is one of the most sought-after casino offers. The casino bonus offer is risk-free, as you do not need to deposit to claim. You will just need to sign up for the casino site, and you will claim the no deposit bonus. Casinos offer this bonus to entice players to sign up and provide their contact details. The casino offer allows the player to sample the casino experience for free. It's worth noting that this type of bonus will come attached to stricter wagering requirements and other terms and conditions.
  • Cashback Bonus: Many top casino operators also offer players cashback on their losses. The cashback amounts can range from 5% to 20%. These losses are usually calculated over a whole week's play, and the cashback is credited as a bonus with low wagering requirements, or no wagering attached. The cashback offer will be restricted to certain games, such as slots or live dealer games.
  • Free Spin Bonus: The Free Spins bonus is also known as bonus spins or casino spins. This is the most popular form of a real money bonus. The bonus is a batch of free spins to be played on one or several online slot machines. Any wins you land from the free spins will be credited as a bonus, with wagering terms attached. The free spins value will vary between casinos, and some will attach terms such as a max win amount.
  • Game Specific Bonuses: This casino bonus is tied to one specific game, whether it's bonus funds to play or free spins to spin. The casino bonus is only available to play on a selected game. If you play another game with the bonus active, it will not contribute to the wagering requirements.
  • Loyalty Bonus/ VIP Program: Many UK casinos feature a loyalty program where you can earn points every time you wager real money. As you accumulate points, you can eventually cash them in for a loyalty bonus. These loyalty bonuses can range in size and are mostly delivered as bonus cash or free spins.
  • Refer a Friend Bonus: You can earn bonus rewards by referring your friends to the casino site. The bonus is only available when your friend makes a real money deposit. The RAF bonus is another offer that varies between bonus cash and spins. 
  • High Rollers: The high roller bonus is designed for those with larger budgets. The minimum deposit requirement is larger than regular bonus offers, and the bonus amounts are much higher. Moreover, these bonuses are often sent directly to VIP players and are not always available on-site.
  • Reload Bonuses: The reload bonus is the standard casino bonus. You need to deposit, and the casino will reload your balance with a deposit amount. This can be a percentage of your deposit, usually between 25% and 200%. 
  • Live Casino Bonuses: The live casino bonus is like a reload bonus, but you can use the bonus money on live dealer games. These games are often omitted from most bonus offers because the live games do not use a random number generator and are played for real in a land-based casino. You will find that most online casino sites have a dedicated promotions page where you can find all the available offers.
  • Slot Machines Bonuses: UK players love playing the online slots because they often have excellent bonus features and modifiers. The most lucrative slot machine bonus is the progressive jackpot, which collects a percentage of each bet made on a game, or collection of games, that can grow the jackpot to well over a million.

Online Casino Bonuses Terms&Conditions

UK casino bonuses come tied to many terms and conditions. These terms are what determine the value of the bonus. You should always read the terms and conditions before committing to a bonus offer. We have listed the most important terms to pay attention to and what they mean for the bonus.

Time Limits

Every bonus offer will have an expiry time attached to it. This time will vary between casinos and can be anywhere from 1 day to up to 30 days. You must complete the wagering requirements within this time frame, or the bonus funds become null and void.

Additionally, many bonuses must be used within a certain time. For example, when you sign up for a new casino, you will often have a certain amount of time to claim the first deposit welcome bonus before it is no longer available.

Wagering Requirements

The wagering requirements are the most important terms to look out for. This is the number of times you will be required to wager the bonus funds before the bonus money converts to withdrawable cash. The industry standard for wagering is 40x the bonus amount. If you have a £100 bonus with a 40x wagering requirement, you must play through a total of £4,000 before the bonus money turns into real money. Additionally, not all games contribute towards the wagering requirement the same. You will often find that slots contribute 100%, while tables usually contribute less than 10%. Moreover, some games are completely restricted from contributing to the wagering terms.

The wagering requirements are in place to level the playing field and protect the casino from giving out free money. Without wagering requirements, a player can claim the bonus and withdraw the funds without taking any risk. You can find wager-free bonus offers, but these are hard to come by. These bonuses will have other terms, such as max win restrictions.

Game Limits

You will find that not all games are available to play with your bonus funds. The casino will restrict certain games from contributing to the wagering terms. This is because certain games are more volatile and prone to big wins, making it easier to fulfil the wagering requirements. You should always check the terms for the list of restricted games. If you wager on these games with a bonus, the wagering will not count towards the wagering threshold.

Moreover, the casino will make certain bonuses restricted to certain games. This is common across free spin bonuses, where you must use the spins on selected games. The casino has picked this game because it’s less likely to pay out big wins, and often, the commission to the gaming provider is considered when choosing games for bonuses.

Win Limits

You will find that some casino bonus sites will apply a max win limit on the bonus offer. This is usually only found on certain bonuses, such as no deposit bonuses, but some casinos will apply it to regular bonuses, too. This is the maximum amount you can win and cash out from the bonus offer. If you win more than the maximum win amount, it will not be withdrawable.

Playing with Casino Bonuses

Claiming a bonus offer is not obligatory. Many players choose to play with real money only. However, claiming a bonus is a great way to boost your balance and enjoy more betting fun on the different casino games. Before claiming a bonus, you should ensure the terms are fair and that turning the bonus money into real money is achievable. Bonuses like free spins are lower risk, as only winnings are credited as a bonus.

However, deposit bonuses lock up more funds in bonus play, so you must understand the bonus offer before committing. Additionally, you should only claim bonuses that you can use on your favourite games. Many bonuses are not available on table or live dealer games, so you may not wish to claim the bonus if that’s your game of choice.

How to claim the Casino Welcome Bonus

The welcome bonus is the most competitive bonus available. With so many online casino operators in the UK, the casinos compete by offering enticing welcome packages. These offers will come in various forms, with some more generous than offers. You can enjoy deposit bonuses, free spins, and other bonuses on your first deposit. The welcome bonus is a great way to start your casino journey. It can boost your balance and give you more time to enjoy the casino gaming experience.

Claiming a casino bonus for the first time can be a daunting experience. If you’re new to a casino and want to claim the welcome bonus offer, you will need to follow the steps below.

  1. Head over to your chosen online casino and hit the ‘sign up’ button.
  2. Youwill then need to enter your personal details, including your name, address, email, and date of birth.
  3. Once you have completed the registration, you will have the option to claim the casino’s welcome bonus.
  4. You will then need to select the welcome bonus and then make your first deposit.
  5. You will need to pick your preferred payment option and the amount you wish to deposit. You must meet the minimum bonus deposit amount. 
  6. Then complete the deposit transaction and the welcome bonus will display in your bonus balance.

How to Claim Other Casino Bonuses

Asides from selecting the bonus offer in question and then making a deposit, there are other ways to claim a bonus offer. Many casinos will have bespoke bonus codes for offers, which means you will be required to enter a promo code during the deposit transaction in order to claim the bonus.

Bonus Comparison

There are so many different casino bonuses to pick from. There are advantages and disadvantages to claiming a bonus offer. Due to UK regulations, online casinos must be more transparent and fair with their bonus offers, but you still need to get familiar with the terms. Here are some differences between popular casino bonuses.

Deposit Bonus
No Deposit Bonus
  • A deposit bonus is a great way to boost your balance, with fair wagering terms and a good chance to cash out a profit.
  • A no-deposit bonus is risk-free, but the tougher wagering terms and max win cap make it harder to cash out any profit.

New Customer vs. Existing Customer Bonuses

As a new player, you have plenty of welcome offers to choose from across many of the best UK casino bonus sites. However, as an existing player, you can still find plenty of bonuses to stake your claim. The top casinos will have a dedicated promotions page where you can often find weekly offers, such as reload bonuses, free spins, and cashback. Moreover, casinos reward player loyalty with bonus treats, and many casinos will even create special bonuses just for you. These bonus offers are delivered straight to your inbox, so you should ensure your marketing notifications are switched on.

Before you sign up for a new casino site, you should check out the promotions page and see what offers are available for all players. You should always check the terms and conditions and see what wagering requirements the casino enforces.

Casino Bonus Offers FAQs

Is it possible to cash out a profit from a bonus?

Yes, once you have fulfilled the wagering terms for the bonus offer, you can cash out the bonus funds.

Can I withdraw my winnings without meeting the wagering requirements?

No, you must complete the bonus wagering before the expiry time is up, or the bonus funds are voided.

Is it possible to avoid wagering requirements?

You can find wager-free casino bonuses, but these are mostly free spin offers. If you claim a bonus with wagering requirements, you must fulfil the terms to cash the bonus.

Can you claim a bonus more than once?

In most cases, you can only claim a bonus offer once. However, many online casinos offer weekly or monthly bonuses.