Thames Water change of address

Thames Water Change of Address: Online & By Phone

How to change your address with Thames Water

When looking to change your address with Thames Water, you have 2 options to pick from:

*Keep reading for more details

When moving from London or any other town in Thames, one of the most overlooked aspects of moving is to change your address with your water service provider. It allows the provider to update their records and transfer your account to the new address. 

Thames Water has a long history of supplying London with clean drinking water, dating back to 1824. This has made them understand the needs of the customer and helped them provide easy ways to change your address in their records. 

You can either update your address with Thames Water online or by phone. Here’s a step-by-step guide to help you complete your Thames Water change of address!

When should I notify Thames Water of my move?

It’s important to notify Thames Water of your move as soon as possible. It is recommended to update your address with them up to 27 days before moving. Make sure you let them know at least 2 days before!

How to change your address with Thames Water

Illustrations-Mes changements d’adresse (1)

The process of changing your address with Thames Water is easy. You can choose to update your address online or by phone. Let’s learn more about it in detail.

1. Online

The most efficient and easy way to change your address with Thames Water is online. Follow the steps below:

Step 1: Visit the Thames Water moving page 

Step 2: Scroll down to “Tell us about your move

Step 3: Select “Existing Customer” 

Step 4: Fill out the form by entering your old address details into the form, including the account number, title, first name, last name and old postal code. 

Step 5: Then, add the new address details into the form, including your postcode

Step 6: Click on “Update” to finish

2. By phone

You can also call Thames Water to update your address, especially if you are not tech-savvy. To do so, call 0800 980 8800. You’ll have to provide your name and your registration details along with your new address.

FAQ - Frequently Asked Questions about Thames Water

What time does Thames Water open and close?

Thames Water is open and reachable at 0800 980 8800 from 8:00 am to 8:00 pm on Monday to Friday and 8:00 am to 6:00 pm on Saturday. 

Through this line, you can manage your account, change your address, pay and view your bills and get an up-to-date balance.

How can I know who my water provider is?

The water industry in the UK is privatized. This means that several different companies provide water services to customers. You can check your company by using the Water UK postcode checker

You may also check your local authority website for details of who provides the service in your area or contact your local council and ask for more information about their water supplier.

How can I create a new account with Thames Water?

It is effortless to create an online account with Thames Water. If you don’t have a Thames Water account, you can set one up by clicking this link. By setting up an online account with Thames Water, you will be able to amend direct debit, manage payments, access bills, change your address and keep up to date on important information.

What services do Thames Water provide for customers?

Thames Water’s services include water supply, water quality, water meters, home improvements, abstraction storage, treatment and distribution of water, collection and treatment of wastewater. Above all Thames Water is responsible for the communication pipe which links and supplies the water main.


Moving comes with a lot of responsibilities and is stressful but changing your address with your water provider shouldn’t be. Changing your address with Thames Water can be done online or by phone. Just pick which method works best for you! Make sure you also update your address with other important providers and institutions, especially with the NHS!

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