Change your mailing address

Please use this form to update or change the address we use to send your bills or write to you. If you are moving home, you will need to use this form.

To complete this form you will need to provide your:

  • Thames Water account number (printed at the top of your bill)
  • Full name, contact number, email address, account address and mailing address


Your Thames Water account number

Your name

Your contact details

Please provide your telephone number including area code, and a valid email address.

Your account address

Please provide your Thames Water account address.

Your new mailing address

Please provide the mailing address you wish to receive bills or correspondence.

Non-UK address



Before submitting this form, please confirm your details are correct by reviewing the information below.