No deposit casino bonus codes for existing players are a rare find in the UK. That’s why our hard-working team at Gamblizard actively looks for and vets casino promo codes, so that you can stay focused on your game. Our selection of 100+ unique promotions includes exclusive offers that you can’t find on casino and bingo sites – only those that are fair and available to returning players.
Below, you’ll find nothing but the best promo codes for existing customers along with some tips on how to pick the most rewarding ones.
Our dedicated editorial team evaluates every online casino prior to assigning a rating. These evaluations are grounded in a rigorous scoring methodology that encompasses factors such as trustworthiness, overall gambling experience, fee structures, customer support quality, and various other critical aspects.
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: No Deposit
Wagering: No Wager
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: No Deposit
Wagering: No Wager
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: No Deposit
Wagering: No Wager
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £1
Wagering: 1x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: No Deposit
Wagering: 30x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Wagering: No Wager
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £20
Wagering: 40x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £250
Wagering: No Wager
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Wagering: 35x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Wagering: 35x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Wagering: 35x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £20
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Wagering: 1x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £20
Wagering: 65x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Wagering: No Wager
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £10
Wagering: 35x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Min Deposit: £30
Wagering: 35x
Bonus type: Deposit Bonus, No Deposit Bonus, Existing Players
Wagering: 35x
Long-time players in pursuit of fair casinos and exclusive deals, you’re in the right place. Gamblizard specialises in curating only high-value free casino promo codes for existing customers, no deposit, and beyond. You deserve the same perks and benefits that new players have.
Our team stays in touch with top-rated UK online casinos to negotiate the best bonus codes designed for their returning customers. Some of them activate random free spins in the middle of the week, others trigger reload bonuses that top the usual offer. No matter what each new season brings, we never stop working to secure special deals you won’t easily find elsewhere in the UK.
Our partnerships allow us to offer exclusive promo codes that have lower wagering requirements, last for longer, and apply to your favourite games rather than titles nobody likes.
Instead of the same old in-house promotions that casinos offer to all their players, our readers have special access to exclusive, one-time offers and the latest no-deposit codes for existing players. Plus, we make sure that all our bonuses adhere to strict vetting rules:
At Gamblizard, we never recommend a casino bonus before our team checks it against a strict set of criteria we’ve developed in-house. We always look at a brand’s licences and reputation, as well as its bonus fairness, payout speed, and general player satisfaction. Only the operators that meet these standards are included in our listings, so that you don’t have to worry about any of that.
Now, let’s see what you should look for when picking coupon codes in the United Kingdom and the different types of bonuses you can actually use them on.
Whether it’s free spins, a 50% match on your next deposit, or a cashback offer, existing customer bonus codes often come with hidden conditions. Many promotions for regular players apply only to certain slots or for a certain time. They sometimes have high wagering requirements or low max withdrawal caps. So you don’t have to be a new player to claim a bonus, but you need to play smart.
Here’s what our experts say you should look out for in existing customer promo codes.
Casinos often use free casino promo codes for existing customers as a retention strategy to keep players coming back for more. The best of them value existing players and reward them for their loyalty. Sadly, not all casinos are like that. Some advertise bonus codes with flashy percentages or high caps, but offer bad deals designed to hook inexperienced players and keep the money.
A “sticky” casino bonus for existing customers can’t be withdrawn even after the player meets all the playthrough conditions. Regular promotions usually explicitly say that winnings can be withdrawn after wagering requirements are met. If that’s missing, you can assume that a bonus is “sticky”. If you’re not sure, a smart move is to contact the casino’s customer service and ask them to clarify the conditions for you.
A bonus may require you to wager 30x the amount, which may sound fine until you check the math twice and realise it includes both the deposit and the bonus amount. Always make sure you understand the wagering requirements, as they are often intentionally ambiguous.
Sometimes, free promo codes for existing customers have expiration dates, so you must claim or use them within 24–72 hours. Not only does missing that window mean you’ll lose a good offer, but it also often means you’ll lose your deposit, too, if you’ve already made one.
Promo codes, bonus offers, and loyalty perks are usually tied to certain game categories or specific games. Usually, they’re reserved for slots. If you prefer playing other types like blackjack or roulette, check whether or not an offer has limitations for table games.
Certain casinos place withdrawal locks on your entire balance after you apply a bonus code, preventing you from withdrawing any money until you meet the wagering requirement. That’s why we always recommend that you read our casino reviews before you place a bet.
These tips from our experts will help you spot high-value bonus codes and weed out suspicious offers. Now that you know how to choose promo codes for existing customers in a casino, let’s get familiar with the common types and their main differences.
Loyal players deserve to be rewarded for repeat visits. Just like welcome offers for first-time players, casino promo codes for existing customers unlock many different types of perks, ranging from free spins to cashback, each with its own set of rules, benefits, and ideal use cases.
Bonus codes for existing players come in different types, too. The key differences between them are how they trigger the bonus (if it is no-deposit or deposit-based), what kind of reward you get, and how often the offer appears (one-time or ongoing).
Understanding these differences will help you choose only the best offers for your skills, habits, and playstyle and avoid promotions that will cost you more than they’re worth.
No deposit casino bonus codes for existing players in the UK are very popular in Great Britain, and for a good reason: they allow you to claim a bonus without placing a bet. Unfortunately, this type is usually reserved for first-time players. On rare occasions, a casino will offer an existing customer a no deposit bonus code in an effort to win them back or as part of a loyalty program.
Offers like free spins for existing customers are not rare in UK casinos, but they are usually limited to specific slot games that are, more often than not, new titles in need of a promotion. Alternatively, casinos offer free spins as seasonal promos that can be unlocked with casino bonus codes for existing players. This is a fun type of bonus with wagering on potential winnings.
Bonus money is extra cash added to your account after you meet certain criteria, typically regarding a deposit. You can use it like real money, but only if you meet wagering requirements – which is why you should always check if the bonus money is tied to any “sticky” bonuses.
With casino cashback offers, you receive a percentage of your losses back over a certain period, usually a day, week, or month. Casinos use this bonus type to soften the blow of an unlucky streak and encourage you to keep playing. Because of that, you can often find an attractive bonus code for existing customers that you can use for cashback, especially if you are a regular customer.
Daily and weekly promotions are recurring deals that casinos use to keep things interesting for returning players. An offer like this is usually activated with a promo code for existing customers, and may include reloads, spins, or even leaderboard challenges. If you play every day or week, keeping up with these promos can make frequent play worthwhile and offer solid value.
A refer-a-friend bonus is a convenient way for frequent players to get passive earnings by recommending a casino to friends who are curious about iGaming. While both the rewards and the conditions vary from one casino to another (new players are usually required to make a wager and start playing), this no deposit bonus for existing players always feels rewarding and well-deserved.
Most UK casinos offer loyalty programs or VIP clubs for players who remain devoted to them. It’s a tried and tested system that offers value to the most loyal customers: the more you wager, the more points you earn. Using loyalty points, you can unlock free spins, exclusive promo codes for existing players, and even real-world gifts. These programs often have bonuses designed for each player.
A reload bonus is a common type of deposit bonus for existing customers that matches the amount of money you wager. The best reload offers are typically scheduled for weekends or received via email and require a code to activate. Like welcome bonuses, they often come with playthrough requirements and game restrictions, which is why they are less popular among skilled players.
Not many casinos are willing to offer a free bonus to existing customers, especially without a special promo code. On top of that, most casino offers have unreasonable wagering requirements. If you’re a regular player and you enjoy a generous bonus, always read the T&C to learn how to make the most of a special offer, and if it pays off in the first place.
Jamie Wall Casino Analyst
With so many bonus types to choose from, even skilled players can sometimes feel confused. Now that you know what promotions to look for, let’s explore what popular games offer them.
At Gamblizard, we’ve put together a list of games that are usually available with casinos offering promo codes for their loyal players. Keep in mind that each casino has its own rules about titles that qualify for casino bonuses for existing players, whether it’s free spins, cashback, or reload rewards. Nevertheless, these top casino games are often, sometimes, or rarely part of their promo offers:
Game Type | How Often Casinos Offer Bonuses for Such a Game | Popular Game |
---|---|---|
Slot Games | 🔥 Very Often | Irish Pot Luck, Fluffy Favourites |
Bingo | 🔥 Often | Fred’s Free Bingo |
Poker | ⚠️ Sometimes | Texas Hold`em |
Roulette | ⚠️ Sometimes | 20p Roulette |
Blackjack | ⚠️ Sometimes | Vegas Blackjack |
Baccarat | ⚠️ Rarely | Punto Banco |
Scratch Cards | ⚠️ Rarely | Noughts & Crosses |
Live Games | ⚠️ Rarely | Fire Ball Roulette, Infinite Blackjack, Crazy Time |