Our telephone lines

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Updated: 12:00 01 December 2020

We're still experiencing problems with our telephone lines and are working hard to resolve the problem. We would like to apologise for any inconvenience caused.

Did you know that you can also do any of the following online without having to speak to us?
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Thank you for your patience.

Landlord services


The Welsh Government have introduced regulations that impact on any landlord whose property receives water or sewerage services from Welsh Water.

The regulations require landlords to ensure Welsh Water are informed of any change of tenants in their properties within 21 days. If this isn’t done, the landlord can become jointly and severally liable for the water and sewerage charges.

We need to know:

  • The property address
  • The title, full name and date of birth of all adult residents
  • The tenancy start date

Our preference is that the information is provided through landlord tap. Anybody can register to provide information and use this website. It’s easy to use and a permanent record is kept of updates which offers the landlord confidence that the information has been passed to us, as the evidence is there to see.

Alternatively you can get in touch with us and provide the information to us directly.

You can also get a copy of the Welsh Government’s guidance.

Not sure about your obligation to us? Then watch the short video below