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How can we help?

We’re happy to answer any questions you may have.

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

Call us

Not registered? Premium Bonds customers will need to complete a form and post it to us.

Premium Bonds change of details form

For other NS&I accounts and investments you’ll need to write to us.

Write to us