Premium Bonds Prize Checker
Check your Premium Bonds prizes using live NS&I data — the same servers that power NS&I's official app. Check all prize values instantly with your holder's number, or get early access to £1,000+ results from midnight before draw day.
🎯 Quick Prize Check (All Prize Values)
Check all your prizes instantly using your holder's number — including £25 prizes. Results come directly from NS&I.
Your holder's number is 9-10 characters (e.g., 378683675 or 12345678A). Find it on your Bond record or NS&I account.
🔒 Your holder's number is sent securely to NS&I via our server. We don't log it, but save it locally in your browser for convenience.
Step 1: Enter Your Bond Numbers
Download your holdings document from your NS&I account and upload it here.
Click to upload or drag and drop
NS&I Holdings PDF only
🔒 Your bond numbers are processed locally and never sent to any server.
Tech-savvy? Open DevTools (F12 → Network) to verify - you'll see analytics, but no bond data.
Step 2: Provide Additional Details
Found on your NS&I holdings document
This helps filter matches more accurately
How It Works
1. Privacy First
All processing happens locally in your browser. Your bond numbers are never sent to any server, ensuring complete privacy and security.
2. Six-Step Filtering Process
We use a rigorous 6-step filtering process to match your bonds:
- Filter by area/county
- Filter by total holdings value
- Filter by bond age
- Filter by individual bond values
- Filter by bond number prefix
- Find exact bond number matches
3. Official Data Source
High-value winner lists (£1,000+) are downloaded directly from NS&I's official website. This tool uses the same data that NS&I publishes monthly.
Frequently Asked Questions
Can I check all Premium Bonds prizes on this site?
Yes! Enter your holder's number to instantly check all prizes including £25 wins. This uses NS&I's official data. You can also check individual bond numbers against high-value winner lists.
How do I check if my Premium Bonds have won?
Enter your holder's number in our Quick Prize Check to instantly see all your wins, including £25 prizes. For early access to £1,000+ results (available from midnight before draw day), you can upload your NS&I holdings PDF, paste your bond information, or enter bond numbers manually.
When are Premium Bonds high value winners announced?
High-value Premium Bonds winners (£1,000 and above) are published at midnight on the last working day of the month, before the main draw results. NS&I releases full results on the first working day of each month.
What's the difference between the two checkers?
The Quick Prize Check uses your holder's number to show all prizes instantly. The High-Value Checker lets you check individual bond numbers against £1,000+ winner lists - these are published from midnight the night before draw day, giving you early access to big wins.