Tracking down lost investments
How to find accounts and investments with us if you've lost their details.
How to check for unclaimed prizes
What to do if you think you've won a Premium Bonds prize and how to claim it.
Replacing missing NS&I records
How to request new records for accounts and investments you hold with us.
Revisiting your Premium Bonds
What to do if you've lost your Premium Bonds holder's number or documents.