Thames Water Moving Home: Your Complete Guide

Thames Water Moving Home

If you’ve just moved to a new property and your water supplier is Thames Water, you’ll need to register for an account. If you’re moving and already have an account with Thames Water, you can keep your account with them as long as you’re moving to another property where Thames Water is the supplier. We’ve broken down the steps of what you need to do for Thames Water moving home in this complete guide.


Thames Water moving home

moving boxes

The first thing to do when you’re moving house is check if Thames Water supplies water at your new property.

The counties that Thames Water supplies are:

  • Berkshire
  • Buckinghamshire
  • Greater London
  • Oxfordshire

You must contact Thames Water if you are moving into a home in one of those counties. If you are moving to a different county, you will need to contact the supplier for the county you’re moving into.

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Thames Water change of address

You can organise a Thames Water change of address if you are currently a Thames Water customer and are moving to another address that is within the Thames Water region.

The process to change address with Thames Water is simple, but you’ll need to have following information ready to give to Thames Water change of address team:

  1. Your new address
  2. Your Thames Water account number
  3. The date you’re moving - up to 27 days in advance
  4. Your latest meter reading, only for home with a water meter

When you move with the Thames Water supply region, you will keep your account number and will keep any debit or credit that is on your account.

There are two ways to change your address with Thames Water. You can call them on 0800 980 8800 and choose option 2, then option 2, then option 1 to speak to the Thames Water change of address team.

Alternatively, you can fill out the Thames Water change of address form on the Thames Water website. Make sure you choose the option for Existing Customers.

Thames Water new customer

You should register as a Thames Water new customer if you’re moving into a property that Thames Water supplies for the first time.

To register as a Thames Water new customer, you need to have the following details ready:

  1. Your new address
  2. Contact details for the person who will pay the bill
  3. The payment information for setting up the new account
  4. The date you’re moving - up to 27 days in advance

When you’re setting up as a Thames Water new customer for the first time, you can choose which way you would like to pay your Thames Water bill. You can read our guide about the options available for paying for your Thames Water bills.

You can choose to register online, or call the Thames Water new customer team on 0800 980 8800 and choose option 2, then option 3.

It can be a good idea to add additional account holders at the same time you register. This way, the other account holders can discuss water bill matters with Thames Water. You can also add and remove additional account holders by contacting Thames Water.

Thames Water change of tenant

Landlords can notify Thames Water of a change of tenant by using the free nationwide Landlord TAP portal. This portal lets landlords to manage their property portfolio online, you can use Landlord TAP to:

  • Add and remove properties within your portfolio
  • Let Thames Water know about changes to tenant details, including changes of tenancy
  • Notify Thames Water when a property becomes empty
  • Inform Thames Water if you sell or stop managing the property

Thames Water tenants

Thames water tenants will need to check if they are responsible for paying their water bill or if it’s included in their rent.

Moving in

moving truck

Some tenants will pay their own Thames Water bill, whilst others may have the bill included within their rent.

If you are a tenant and responsible for paying your own water bill, you will need to let Thames Water know when your tenancy starts and submit meter readings if the property already has a Thames Water meter installed.

We recommend you check your rental agreement, or speak to the landlord or agency to find out who is responsible for the water bill at your property.

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Moving out

It’s also important to speak to Thames Water when you move out, as Thames Water will need to prepare a final bill, and might ask you for a forwarding address.

If you pay by direct debit, they will take your last bill as usual for the amount due, and if your account is in credit, Thames Water will refund your credit to your bank account. You can also choose to keep the credit in your Thames Water account if you’re moving within the Thames Water region.

Thames Water change of name

Changing the name of the account holder with Thames Water is straightforward; however, it will need to be an existing account holder or additional account holder that makes the Thames Water change of name. There are of course exceptions, such as when the only account holder has passed away.

To change name, Thames Water needs to know the contact details of the new account holder. You also need to give Thames Water updated details about how the water bill is paid when you make the Thames Water change of name.

You will need to call Thames Water on 0800 980 8800. Choose option 2, then option 2 again to speak to a Thames Water representative about updating the account details.

Thames Water students

Similar to tenants, some landlords might include the water bill in your rent.

If you pay the water bill as a student and live with housemates, we recommend you split the water bill between yourselves and appoint one student to collect and pay the water bill.

You can add your housemates as additional account holders. As additional account holders, the other students can discuss the water bill with Thames Water.

Thames Water empty property

On a Thames Water empty property, they will still levy water charges if the property can be occupied - for example, it’s furnished.

They will waive charges on metered properties that are unoccupied and unfurnished continuously for at least three months. You may have to provide proof that the property is empty, and Thames Water grants the waiver at their discretion.

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