We’re receiving a high number of applications and are taking longer than we’d like to arrange appointments, your application is in progress and there is no need to get back in touch with us.

More information about what you can expect while we process your application is available here.

If you want to make an application for a meter, you can do it online here.

Change your billing address

Use this form to change your billing address.

If you are moving, please do not use this form. Click here to select the correct moving option.

Once we receive your form, we'll change your details within 10 working days. You won't need to do anything further, and you'll see your change in any future correspondence from us.

This form is also available in Welsh.

What you'll need

Your Welsh Water account reference number This can be found in the top right corner of your bill, on your My Account dashboard, or the reference on your payment if you pay by direct debit.
The address of the property we bill This is not the current billing address
The updated billing address

How can we help you?

Our customers usually search for:

Applying for a water meter

Change your billing address

What you'll need