Terms of Use
This site provides general information, local browser tools and links to official services. It does not provide an NS&I account, submit an account-level query or confirm entitlement to a prize. Local matches, calculator estimates, comparisons and tracker summaries must be checked in context and are not financial, investment, legal, tax or probate advice.
Independent service
Check Premium Bonds is independent and is not affiliated with or endorsed by NS&I. Premium Bonds is a registered trademark of NS&I.
No account-level check
Do not enter a holder’s number on this site. A local bond-number match does not establish ownership, entitlement, payment status or the current status of a prize.
Your imported data
You are responsible for obtaining files lawfully from NS&I for your own use and checking their coverage. Imported files are processed in your browser.
Estimates and information only
Calculators, comparisons and tracker outputs are estimates or summaries based on inputs and dated assumptions. Nothing is financial, investment, legal, tax or probate advice.
Acceptable use
- Do not use the site for unlawful, fraudulent or abusive activity.
- Do not interfere with security controls or third-party services.
- Do not misrepresent a local match as an NS&I-confirmed prize.
- Do not expose another person’s financial information.
Governing law
These terms are governed by the laws of England and Wales, subject to mandatory consumer rights that apply in your jurisdiction.
Method and limitations
Method and limitations: This page summarises the official routes and sources listed below. Requirements, rates and timescales can change. It is general information, not financial, legal, tax or probate advice.