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Understanding Wagering Requirements in the UK: A Complete Guide

Marcus Thorne
July 10, 2026
5 min read

When you sign up for a UK online casino, you'll almost always see a welcome offer like '100% up to £100 + 50 Free Spins'. Underneath this offer, in the small print, you will see a phrase like '35x wagering requirements apply'. But what exactly does this mean, and how does it affect your chances of withdrawing your winnings?

What are Wagering Requirements?

A wagering requirement (also known as a playthrough requirement) is the number of times you must bet your bonus money (and sometimes your deposit) before you are allowed to withdraw any winnings. It is a safeguard used by casinos to prevent abuse of their promotional systems.

For example, if you receive a £10 bonus with a 30x wagering requirement, you must place bets totaling £300 (£10 x 30) before your bonus money is converted into real withdrawable cash.

How to Calculate Your Playthrough

The math is simple but depends on the terms:

  • Bonus Only: (Bonus Amount) × (Wagering Multiplier)
  • Bonus + Deposit: (Bonus Amount + Deposit Amount) × (Wagering Multiplier)

Always read the terms and conditions carefully because a 'Bonus + Deposit' wagering requirement effectively doubles the amount you need to play through.

Game Contributions

Not all games contribute equally towards meeting your wagering requirements. Typically, slots contribute 100%, meaning every £1 you wager counts as £1 towards your goal. However, high-RTP table games like Blackjack or Roulette might only contribute 10% or 20%. In those cases, a £1 wager only reduces your requirement by £0.10 or £0.20.

Editorial Tip: Look for Low or No Wagering Bonuses

In recent years, many UK casinos licensed by the Gambling Commission have started offering 'No Wagering' bonuses, particularly on free spins. This means any money you win from your spins is paid out as cash instantly, with no wagering required. While these bonuses are usually smaller, they offer much higher value for casual players.

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