All you need to provide is:

• Your ten-digit account number (if you're an existing customer)
• Your new address
• The date you will or have moved in
• The meter reading of the new property (if the property is metered)
• The names you wish to appear on the account
• Your contact details

Before telling us about your move, please ensure your move date is confirmed and no more than 28 days away.

To check that you're within our supply area, use our postcode search.

Online

To register your change of address online, simply click on the link below that best describes your situation:

 I'm moving into the Thames Water region

 I'm moving within the Thames Water region

 I'm moving out of the Thames Water region

By phone

Please call our customer services team on 0845 9200 888. Lines are open weekdays from 8am to 8pm, and Saturday 8am to 1pm (Minicom or Typetalk: 0845 7200 899).

If you are trying to contact us from outside the UK, please call +44 1793 366011.

Change of account holder

If the person named on the bill moves out, please update your account details.

If none of the occupants are named account holders, please let us know by completing our moving in form or by calling us.