Update your account
Please let us know of any changes to your:- Name
- Mailing address
- Phone number
- Bank account details (if it will affect your Direct Debit payments)
Alternatively, please call our Customer Centre on 0845 9200 888, open weekdays from 8am to 8pm, and Saturday from 8am to 1pm (Minicom: 0845 7200 899).
Please note under the Data Protection Act, we can only discuss account details with those named on the account.
Account holders
If you wish to include additional people on your account we will need confirmation from them and from you.
Expanding your business?
If you are making changes to your premises or need a new water supply, please visit our services for developers section.
Power of attorney
If you are granted power of attorney please send a copy of all supporting documents to:
Thames Water
PO BOX 286
Swindon
SN38 2RA
We will then update your account.
