William Hill offers a bet builder winnings boost, giving 25%-50% boosted odds on selected pre-match bet builder bets. The promotion is available for all players.
How to get the bonus William Hill
- Register to the bookmaker's website;
- Open the Bet Builder for a selected pre-match fixture;
- Build a Bet Builder with 3 or more selections at combined odds of 3/1 (4.0) or greater;
- Toggle the "Boost" in your bet slip;
- Stake up to £20 from your main balance on the qualifying bet.
Promotion terms
This promotion is available until May 24, 2026. William Hill offers a Winnings Boost of 25% to 50% on the odds for pre-match Bet Builder singles. Winnings Boosts will be a minimum of 25% up to a maximum of 50% boost on the relevant odds (determined at William Hill’s sole discretion). Bets must consist of 3 or more selections with combined odds of 3/1 (4.0) or greater, on selected matches. The full value of the boost must be used in a single stake up to a maximum of £20 from your main balance. Boosts are applied no later than 00:01 on the match day until kickoff and cannot be combined with other promotions (e.g., Epic Boosts, Price Boosts) or free bets.
How to use a bonus William Hill
Once you have built your qualifying Bet Builder, toggle the "Boost" option in your bet slip or select it from "Rewards" before placing your stake. This boost must be applied to a single qualifying pre-match Bet Builder bet on selected matches. The full value of the boost must be used in one stake, with any unspent portion being void.


