Register your change of address

You can let us know that you're moving by completing our online form.

Simply click on the link that best describes your situation:

To check that your new property sits within our supply area, simply use our postcode search.

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

Want to speak to someone in person?

Please phone our Customer Centre on 0845 9200 888, open weekdays from 8am to 8pm, and Saturday 8am to 1pm (Minicom: 0845 7200 899).

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

If a named account holder moves out of your property, please update your account details.

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

Thames Water is the UK’s largest water and sewerage company, serving 13 million customers
across London and the Thames Valley.