Online self service

Let us know you're moving

If you're a brand new customer to Welsh Water, or you're not currently a customer but you have been in the past, then you can use this service below to create an account.


If you're already a customer then you'll need to login or register to your online account in order to complete this process. If you'd prefer not to sign up then see how else you can contact us to let us know.

Information about how we work with credit reference agencies and how it could affect you is available here.

You can let us know up to 2 days in advance of becoming responsible, or when you are no longer responsible, for the bill (the day you completed the purchase, sale or tenancy agreement).

What you'll need:

  • Move date You can let us know up to two days in advance of your move
  • Meter reading If known
  • Forwarding address We’ll need a forwarding address to send a final bill to. If you do not have a forwarding address, you will need to contact us.
  • Landlord/Letting Agent details If applicable, you will need your landlord/letting agent details to complete this form.