Some links to products and partners on this website will earn an affiliate commission.

TopCashback is offering members an easy way to boost their earnings with a £3 bonus cashback promotion, but you’ll need to act quickly as this offer expires tonight (25th August 2025) at 23:59.

Note that the bonus states it is for “selected members” only, but it seems to be widely available.

How to Claim the Bonus

1. Activate the Offer: Log in to your TopCashback account and activate the promotion before making any purchases
2. Make a Qualifying Purchase: Spend £10 or more through TopCashback today
3. Track Your Bonus: The £3 bonus will appear as a separate transaction once your initial purchase reaches the pending stage

Not a TopCashback member yet? – Get an additional £10 sign-up bonus!

Bottom Line

This is a straightforward way to boost your cashback earnings if you’re planning to make a purchase today. While £3 might seem modest, it’s essentially free money on top of your regular cashback rates.

Remember to activate the offer before making your purchase, and don’t worry if the bonus doesn’t track immediately – it can take up to 7 days to appear in your account.

Terms

During this promotion members of TopCashback are able to receive an additional £3 cashback when the below Terms and Conditions are met.

1. To be eligible for the £3 Cashback Bonus promotion, you must be a member of TopCashback.co.uk and you must activate the offer by clicking through to the activation page and activate the promotion, prior to making an eligible transaction, activations will be reported back to TopCashback.
2. You must make a purchase through TopCashback between 00:00 and 23:59 on 25/08/2025.
3. You are eligible for a Cashback Bonus for a maximum of 1 individual purchase.
4. You can earn a maximum of £3.
5. Tell-A-Friend, Sign Up bonuses, Free Cashback merchants and Snap & Save transactions will not count as one of your purchases towards the Cashback Bonus.
6. Cashback Bonuses will not count towards your Tell-a-Friend bonus threshold.
7. Your purchase amount should be £10 or more, this is the purchase amount reported back to TopCashback. Some retailers may not include delivery charges.
8. Cashback Bonus will appear in your account as a new transaction, only when cashback for the initial purchase reaches the pending stage.
9. Cashback Bonus will be payable when the initial purchase becomes payable. If you do not see your bonus appear by the time your cashback reaches the payable stage please raise a support ticket.
10. If you cancel your order, or the merchant deems the transaction as ineligible for cashback, the Cashback Bonus will be removed.
11. Only one TopCashback.co.uk account per person is allowed.
12. TopCashback will not be held responsible for any technical failure or otherwise which prevents participation in this promotion.
13. Where there is a contradiction between the offer terms and conditions and TopCashback terms and conditions, the offer terms and conditions take precedence until the offer expires.