How do I change my address and other details?
Once you’ve registered, you can update your details online or by phone.
To update your details online simply:
- Log in / register
- Go to ‘Your profile’ in the top menu
- Click ‘Your details’
- Select ‘Change’ for your address or other details
Not registered? Premium Bonds customers will need to complete a form and post it to us.
For other NS&I accounts and investments you’ll need to write to us.