Let us know about your move - whether you're a new customer and need to set up an account, a current customer moving home within our region, or you're moving out of our supply area altogether.
You can check your new home is in our region with our supply area postcode search.
How to tell us you’re moving
You can let us know about your move using our easy all-in-one online form.
Information you will need
- To set up, change, or close your account with us, you will need to provide:
- Your new address
- The date of your move
- Your contact details
- The meter reading of your property (if the property is metered)
- If already a Thames Water customer; your 10-digit account number (printed at the top of your bill)
Change your mailing address
If you are not moving home, and just want to change the mailing address that we send your bills to, please fill out this form.