On this page
If you have your Holder's Number, use NS&I's official Prize Checker.
If you only have individual Bond numbers, use the local Bond Number Checker.
How to check Premium Bonds online
Holder's Number
Use NS&I’s official Prize Checker for an account-level result. This site does not collect the number.
Open the official checker ↗Individual Bond Numbers
Import an NS&I winning-number file and compare Bond Numbers locally in your browser.
Use the local checkerWhat number do I need?
Use it on the NS&I website or App.
For prize checking, NS&I says this can be used only in its App.
Use official winning-number lists or the local comparison tool — not the NS&I website input.
Without a Holder's Number
If you are registered, sign in to your NS&I account or request a replacement Bond record. If you are not registered, request a replacement record in writing. If you are unsure whether you still hold Bonds, use the NS&I Tracing Service.
Old Premium Bonds and unclaimed prizes
Old Bonds remain valid if they have not been cashed in. Unclaimed prizes have no claim time limit; use NS&I to check and claim.