Online Casino London Bonuses & Codes 2025
Discover the latest Online Casino London casino bonuses in 2025. See how fair their terms are, how they compare to 132 UK offers, and what they mean for your chance to win real money.

For more information about games, features, payment options and more, read our Online Casino London review.
Online Casino London Welcome Bonus
Spin the Mega Reel to win up to 500 free spins on Starburst.
Online Casino London offers you a chance to spin the Mega Reel when you make your first deposit of £10 or more. The Mega Reel awards prizes ranging from free spins on top slot games like Fluffy Favourites and Starburst to Amazon vouchers. This bonus provides an exciting opportunity to enhance your gaming experience with additional rewards.

Free Spins:
Max win:
Min Deposit:
Bonus Game RTP:
- Wagering:1/5
- Bonus Size:5/5
- Max Win:3/5
- Bonus Cost:4/5
- Game RTP:4/5
High 65x Wagering Requirement
Online Casino London’s bonus comes with a 65x wagering requirement on any winnings from the free spins. This means you must wager 65 times the amount won from the bonus before withdrawing your winnings. This high wagering requirement can make it challenging to convert bonus winnings into real, withdrawable cash.
Explore our No Wagering Casino Bonuses for bonuses that let you withdraw your winnings without wagering.
Generous Bonus Amount
By spinning the Mega Reel, you have the chance to win up to 500 free spins on popular slot games like Starburst. The number of free spins awarded varies, providing an exciting range of potential bonuses to enhance your gameplay.
£250 Max Win Limit
Online Casino London’s bonus has a maximum bonus conversion equal to your lifetime deposits, up to a maximum of £250. This means you can convert bonus winnings to real money only up to the total amount you have deposited, capped at £250.
Fair Bonus Cost - £10 to Claim
You need to deposit a minimum of £10 to claim the bonus and spin the Mega Reel. This deposit amount is standard and offers an accessible way to participate in the promotion.
Explore our £1 deposit casino bonuses for offers requiring less money to claim.
An Average RTP Percentage: 96.09%
Starburst has an RTP of 96.09%, which is around the industry average for online slots. This means that, over time, the game is expected to return £96.09 for every £100 wagered, though actual outcomes will vary. Starburst delivers frequent but smaller wins as a low-volatility slot, making it ideal if you prefer a steady gameplay experience. With its expanding wilds and re-spins feature, this classic slot remains a favourite for simple yet engaging gameplay.
Overall, Online Casino London’s bonus provides an exciting chance to win up to 500 free spins on popular slots. However, the 65x wagering requirement and maximum conversion limit may make it difficult to withdraw large winnings. It’s an entertaining offer, but it’s important to be aware of the wagering conditions before you play.
How to Claim Your Spin the Mega Reel to win up to 500 free spins on Starburst. Bonus at Online Casino London
To claim your bonus at Online Casino London, follow these steps:
- Register for a new account at Online Casino London.
- Add a valid debit card to your account upon registration.
- Make your first deposit of £10 or more.
- Receive a spin on the Mega Reel after your deposit is confirmed.
- Spin the Mega Reel to reveal your prize, which could be up to 500 free spins on selected slot games or Amazon vouchers.
How to Withdraw Real Money From this Bonus
To withdraw your bonus winnings, you must first meet the 65x wagering requirement on the bonus funds. Once the wagering requirement is fulfilled, you can request a withdrawal through your account. The maximum amount you can convert to real money is equal to your lifetime deposits, up to £250. Withdrawals are subject to a £2.50 transaction fee and may require you to complete KYC verification if not already done.
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