Our dedicated Wholesale Service Centre are happy to help with any enquiries.
Please contact us on 0800 260 5053
Our office hours are 8am to 6pm, Monday to Friday. However we are available for emergency issues on the same number 24 hours a day, 7 days a week.
You can get in touch by emailing us at firstname.lastname@example.org
Write To Us
Wholesale Service Centre
Dwr Cymru Welsh Water
PO Box 3164