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Premium Bonds prizes do not expire. NS&I keeps unclaimed prizes until the holder makes contact, with no time limit to claim.
Latest reported unclaimed-prize statistics
As reported by NS&I on 1 September 2026, 2,851,753 prizes worth £126.8m were waiting to be claimed.
2,851,753
£126.8m
1 September 2026
Do Premium Bonds prizes expire?
No. Prize claims have no time limit. Do not confuse this with a paper prize cheque, which is valid for three months and can be replaced.
How to check unclaimed prizes
- Check your prize history after signing in, or use the website or App Prize Checker.
- If needed, request a complete prize history in writing.
- Use NS&I’s official claim route after finding an unpaid prize.
What number do I need?
The website Prize Checker uses a Holder’s Number. If records are missing, recover the Holder’s Number through a replacement Bond record or tracing route.
Moved house or changed name
Update details through NS&I. A written claim may need current and previous names and addresses, a Holder’s Number and signature. This site does not collect them.
How to claim through NS&I
Registered customers can contact NS&I by phone. Other customers can register or write to NS&I. NS&I confirms entitlement and payment; this site does not submit claims.