You can easily update your address using your online account:
Register or log in
Go to ‘Your profile’ in the top menu
Choose ‘Your details’
Select ‘Change’ for your address or other details
If you have Premium Bonds, you can easily change yours or your child’s address and contact details by filling out a simple online form. No need to create an account or send us any paper.
You’ll need your holder’s number to hand, as well as your previous and new details.