Ever wondered if a bookmaker can actually cancel your bet, even after you have placed it? For anyone new to betting, the idea that your wager might not stand could feel a bit confusing. Whether you are considering placing a sports bet in a shop or online, it is not always clear what could happen if things do not go as planned.
This guide explains why bets sometimes get voided, what that means for your stake, and how approaches can differ between betting sites in the UK. Read on to learn more.

A void bet is one that a bookmaker cancels. In this case, the bet does not go ahead and is treated as if it was never placed. When this happens, your original stake is usually returned to you. No win or loss; just your money back.
You might see the word “void” on your bet slip, whether you are betting in a shop or online. It is not tied to one sport or market. Voids can appear on singles, accumulators and more complex bets. For multiples, a void leg is typically settled neutrally, so the rest of the bet can continue without that selection affecting the outcome.
Most betting sites set out how they handle voids in their terms or help pages. It might be worth a quick look when you are using a new platform so you know what to expect.
If you do decide to try your hand at betting, remember to do so responsibly and within your means; never wager more than you can afford to lose.
Bookmakers in the UK can cancel bets in specific situations. This is covered in the terms and conditions you agree to when you place a bet. Common examples include clear pricing mistakes, technical issues that interfere with placing or confirming a bet, or situations where the market itself is no longer valid.
Under UK Gambling Commission (UKGC) regulation, operators are expected to be fair and transparent. That means telling you if your bet has been cancelled and explaining what will happen to your stake. In most cases, the stake is returned and the bet does not count towards any wins or losses.
It is also normal for each site to have small differences in how they handle cancellations. If you are trying a new bookmaker, a quick read of their rules could help you avoid surprises later.
Bookmakers void bets to correct mistakes, apply event rules, and protect the integrity of their markets. Here are the most common scenarios:
Changes to the event itself: If a match is cancelled or postponed for a long period, many markets will be voided. Some markets depend on a named participant taking part. For example, a goal scorer bet might be voided if the player does not play at all. The exact treatment depends on the market rules, which set out things like minimum playing time or how postponements are handled.
Integrity and security: If there is evidence of suspicious activity, linked accounts, or other unfair behaviour affecting a market, bookmakers may void the affected bets. This protects the wider pool of customers and helps ensure results are settled on a fair basis.
Technical faults: System glitches, interrupted connections, duplicate submissions, or delays between selection and confirmation can all cause a bet to record incorrectly. Where the system error affects the validity of the wager, the bet is usually voided and the stake returned.
Market settlement rules: Every market has settlement criteria. Venue changes, rule amendments in a sport, or corrections from official data providers can alter how a bet should be settled. If the criteria for a valid bet are no longer met, it may be voided rather than settled inaccurately.
Different bookmakers can apply slightly different approaches in edge cases. If you are ever unsure why something has been voided, the help section normally gives examples for each market type, and customer support can explain how the rule was applied.
When using a Bet Builder, you might see the letter “V” next to a selection. This usually means that part of your bet has been made void. It often happens if a named player does not take part, or if a component of the market no longer applies because the match situation has changed.
If one selection within your Bet Builder is voided, the rest of the bet usually continues. The bookmaker will recalculate the overall price to reflect only the remaining selections. For example, if you created a four-leg Bet Builder and one leg is void, the bet would commonly continue as a three-leg bet at the adjusted odds. Your stake stays the same unless the entire Bet Builder becomes void.
If every selection in a Bet Builder ends up void, the whole bet is treated as void and your stake is returned. Settlement times can vary if the void relates to official data or confirmation from the event organiser, so you may see a short delay while the market is updated.
The key thing to remember is that a “V” does not mean you have lost. It is simply a marker that one part of the bet no longer counts. The rest is settled according to the site’s published rules, and if the bet cannot stand, your money comes back. Always keep responsible gambling practises in mind.
**The information provided in this blog is intended for educational purposes and should not be construed as betting advice or a guarantee of success. Always gamble responsibly.
*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to these games are subject to change at any time. Game features mentioned may not be available in some jurisdictions.
