Dwr Cymru Welsh Water

COVID-19 (Coronavirus) – A Message to Our Customers - 30 March 15:00

We know that this is a difficult time. We also know that the water and wastewater services we provide play a key role in protecting public health and safeguarding the customers and communities we serve.

We are doing all we can to protect our colleagues while also maintaining our services to customers. You will still see us working in streets and communities during this time but we are only doing essential work that will help protect public health by maintaining water and wastewater services to customers.

Our Billing Call Centre is open from 9am - 5pm (Monday to Friday) to support our most vulnerable customers who have been impacted by the Coronavirus.

If you’re impacted by COVID-19 (Coronavirus) and concerned about your water bill, please click here for more information.

If you need to contact us about other things like updating your account, to let us know you are moving or to set up a direct debit, you can do this by visiting our online services.

We will keep you informed of any other changes through updates on this site and via our social media channels - Facebook & Twitter.

We apologise for this but will do everything we can to continue providing our essential services. Thank you for bearing with us.

My Account Ways to pay my water bill online

Ways to pay my water bill online

To make things easier, we've listed the different ways you can pay your bill. Take a look and see what's best for you .

When making your payment, please provide your 10 digit customer reference, clearly shown on any bill or letter we have sent you.

Direct Debit

A Direct Debit offers you a choice of payment dates and you can spread your bill over installments at no extra cost! Take a look at our Direct Debit page to get started..  


Online using a Debit / Credit Card

Use our online payment service to pay your bill in full or an installment you have agreed with us. It's safe, secure, quick and easy. You can pay when it's convenient for you.


By Phone using a Debit / Credit Card

Call our 24 hour automated payment line on 0800 028 5209 to pay your bill in full or an instalment you have agreed with us. It's safe, secure, quick and easy. You can pay when it's convenient for you.


Internet / Phone Banking / By BACS

Use your internet or phone banking to pay your bill in full or an instalment you have agreed with us.

If you're paying from a UK bank account you'll need:*

  • Sort code: - 522107
  • Account number: - 01500007

If you're paying from an account abroad, you'll need:*

  • IBAN number: - GB51 NWBK 5221 0701 5000 07
  • BIC number: - NWBK GB 2L

*When you make your payment, please give us your 10 or 12 digit customer reference shown on any bill or letter we have sent you. This is how we send your payment to the correct water account.


Payment Card

If a Direct Debit is not for you, but you want to spread your bill over instalments, you can setup a payment card.

Take your payment card and your payment to your local Post Office, or any shop, petrol station etc. where the PayPoint sign is displayed. There's no extra charge to pay by payment card! Find your nearest PayPoint outlet or Post Office and apply for a payment card here.


At any Bank

Pay free of charge at any bank. Please complete the Giro payment slip on your bill and take it along with your payment to any bank.


At any Post Office

Complete the Giro payment slip on your bill and take it, along with your payment, to any Post Office. You can also pay by Payment Card - at no extra charge - at your local Post Office. Some Post Offices now have longer opening hours. Check your local branch opening hours.


By Post

Post your completed Giro payment slip from your bill with your cheque or postal order to: Dŵr Cymru Welsh Water, P.O.BOX 690, Cardiff, CF3 5WL.

When paying by post, did you know...

  • Make your cheque or postal order payable to Dŵr Cymru Cyf.
  • Write your 10 digit customer reference on the back.
  • We don't accept post dated cheques. Any cheque received will be banked on the day we receive it.

Further information on payments and what to do:

Leaflets, Publications, Documents & Charges

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