Welsh Water Contact 0870 280 5070

For general enquiries, call the Welsh Water contact number on 0800 052 0145 and speak with an advisor. The Welsh Water customer service team is available Monday – Friday from 8am to 8pm, and Saturday from 8:30am to 1:30pm. If you have basic questions and wish to see if they can be answered online, visit: http://www.dwrcymru.com/en/My-Account/About-My-Bill/Frequently-Asked-Questions.aspx. Live chat is also a contact option, with Welsh Water support being offered via two chat options – Water & Service Emergencies and Billing Advisor. To contact Welsh Water via social media, feel free to use the following links:

To reach the Welsh language line, call 0800 052 6058.

Welsh Water Customer Services 0870 280 5070

Contact Welsh Water customer service per department using the following phone numbers:

Department Contact Number
Mainline 0870 280 5070
Customer Helpline 0800 052 0130
Billing 0800 052 0145
Apply For Water Meter 0800 052 0145
Surface Water Drainage 0800 052 0145
Emergencies 0800 052 0130
Report A Leak 0800 281 432
Complaints 0800 052 0145
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Welsh Water contact numbers

Billing & Account Enquiries

Billing and account questions that need answers can be addressed by calling the Welsh Water phone number on 0800 052 0145. When calling from abroad with regards to these topics, dial the Welsh Water telephone number on +44 29 2090 7703. There is a separate contact number for Welsh Water customer service when calling about water meter bills. That Welsh Water number is as follows: 0800 052 0140. To access information about ways to pay your bill, visit: https://www.dwrcymru.com/en/My-Account/Ways-to-pay-my-bill-online.aspx. It is possible to submit payment by calling the Welsh Water helpline for automated payments. Payments can be submitted by calling 0800 028 5209 (24 hours a day, 7 days a week).

Apply for a Water Meter

Ring the Welsh Water support number on 0800 052 0145 to apply for a water meter by phone. To apply for a water meter online, visit: https://www.dwrcymru.com/en/My-Account/Water-Meter/Apply-for-a-meter.aspx. Contact Welsh Water customer services for all other requests related to water meters, such as:

Submitting a meter reading

  • Measured charges
  • How to read a meter
  • Consumption calculator
  • Switching to a water meter
  • Applying for a meter logger

Surface Water Drainage Customer Service

Dial the Welsh Water contact number on 0800 052 0145 to discuss any matter related to surface water drainage. Be prepared to provide as much information as possible about the issue, including an address or general area of the problem. To learn about problems or work that is taking place in your local area, call the Welsh Water helpline or go to: http://www.dwrcymru.com/en/In-Your-Area.aspx. There, you will be able to enter your location and search your area for all types of regional and area-specific problems.

Water Services and Emergency Phone Numbers

Emergencies can be reported 24 hours a day, 7 days a week by calling the Welsh Water number on 0800 052 0130. For matters related to sewage services and emergencies, call the Welsh Water support team on 0800 085 3968. In addition to phone support, customers can use the provided online forms to report problems of a non-emergency nature. For example, problems such as poor water pressure can be reported using the form found here: https://www.dwrcymru.com/en/My-Water/Water-pressure.aspx. To access a complete list of available online web forms, go to: https://www.dwrcymru.com/en/Contact-Us.aspx.

Reporting a Leak

To report a leak, contact Welsh Water straight away by calling 0800 281 432. Around the clock service is provided via this Welsh Water number. To report a non-emergency leak online, complete and submit the online form provided here: https://www.dwrcymru.com/en/My-Water/Report-a-Leak/Report-a-leak.aspx. For details on what to do if a pipe bursts, contact Welsh Water or visit: http://www.dwrcymru.com/en/My-Water/Report-a-Leak/Burst-Pipe-Emergency.aspx. Note that live chat is also a valid contact option during times when you need to report any type of service problem.

Welsh Water Complaints Contact Number

Contact representative (woman)If you wish to submit a complaint, dial the Welsh Water complaints number on 0800 052 0145. To read about how Welsh Water customer services handles complaints, you can download the complaints procedures document from the following webpage: http://www.dwrcymru.com/en/Contact-Us/Complaint.aspx. Welsh Water contact details do vary, depending upon the type of complaint. Please review the following email addresses and postal addresses for complaints should you choose not to call the Welsh Water support team.

Billing & Accounts Contacts

Email: water.enquiries@dwrcymru.com

Or write to:

Billing Customer Services

Dŵr Cymru Welsh Water

PO Box 690, Cardiff, CF3 5WL

Sewerage Enquiries

Email: sewerage.services@dwrcymru.com

Or write to:

Sewerage Customer Services

Dŵr Cymru Welsh Water

PO Box 3118, Cardiff, CF30 0BY

Water Services

Email: water.operationsenquiries@dwrcymru.com

Or write to:

Water Customer Services

Dŵr Cymru Welsh Water

PO Box 3118, Cardiff, CF30 0BY

Welsh Water customer service will reply to emails and letters within 10 working days from the date that they receive your complaint. If they do not, you will automatically receive £20 as part of their guaranteed standards of service scheme. For all services, if you prefer to write to the company in Welsh, they will reply in Welsh.

Check a Visiting Officers Identity Card Details – 0800 281 141

If you wish to verify the identity of a visiting officer, contact Welsh Water by phoning 0800 281 141 (24 hours a day, 7 days a week). Any Welsh Water customer service team member will be happy to confirm that the officer that is present at your home or business does indeed work for the company. Do not hesitate to call should there be any question about the identity of an individual who is asking to access your home or business.

Address: Pentwyn Road, Nelson, Treharris, Mid Glamorgan CF46 6LY

Phone Number: 0870 280 5070

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