Check High Value Winners (£1,000+)

🏆 High Value Winners Only (£1,000+)

This checker is designed for HIGH VALUE WINS of £1,000 or more.

The NS&I winners files are very large. To keep this tool fast and private, we focus on prizes of £1,000+ where the filtering approach is most effective and practical.

Why £1,000+ Only?

📊 File Size
NS&I monthly winners files contain millions of entries. High-value prizes (£1k+) represent a smaller subset that can be efficiently processed in your browser.
🔒 Privacy First
All processing happens locally in your browser. Limiting to £1k+ winners keeps files manageable while maintaining complete privacy of your bond numbers.
🎯 Practical Focus
High-value wins are less common and more important to catch. For smaller prizes (£25-£500), you'll receive notifications from NS&I directly.
💡 About Small Prizes: NS&I automatically credits prizes of £25-£500 to your account and sends email notifications. You don't need to check for these manually. This tool helps you discover significant wins that might otherwise go unnoticed.
🔒 Your Privacy is Protected
All processing happens in your browser. Your bond numbers are never uploaded to any server.

Step 1: Your Information

This is used to filter results and is shown on your NS&I dashboard

This helps filter results more accurately

Step 2: Upload Your Bond Holdings

Download your holdings PDF from your NS&I dashboard

📄

Drop your NS&I Holdings PDF here

or click to select file

Step 3: Check for High Value Winnings (£1k+)

How It Works

  1. Download your holdings: Log into NS&I and download your bond holdings PDF
  2. Upload securely: The PDF is processed entirely in your browser - nothing is uploaded to any server
  3. Automatic checking: We download the high-value winners (£1k+) from NS&I and check your bonds
  4. Get results: See if you have any high-value winning bonds and claim your prizes!
🎯 What About Smaller Prizes?
NS&I automatically handles smaller prizes for you:

• £25 to £500: Automatically credited to your account
• Email notifications: NS&I sends you an email when you win
• £1,000+: Also notified, but this tool helps double-check high-value wins

This checker focuses on £1,000+ prizes because:
1. They're more significant financially
2. They're less common and might be overlooked
3. The technical approach works best for this subset
Privacy & Security
• All processing happens locally in your browser
• Your bond numbers are never sent to any server
• No data is stored or logged
• Open source code - you can verify our claims
Data Sources
High-value winners lists are downloaded directly from NS&I's official website. This tool uses the same data that NS&I publishes monthly for prizes of £1,000 and above.