Switch to Castle Water for award winning business water services for companies and organisations of all sizes.
More 5-star reviews than all other water retailers combined.
Switch to Castle Water for award winning service and to save up to 80% on your fixed water charges
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Switch to Castle Water for award winning service and to save up to 20% on your business water
Phone lines will close from Friday 29 April for the Easter holiday, reopening on Monday 1 April at 8am for customers in Scotland, and on Tuesday 2 April at 8am for customers in England. Log in or register to manage your account online, access the Help Centre, or use the webchat service. For water supply emergencies, click here.
Log in to MyAccount for instant access to manage your account online, anywhere, anytime. View and download invoices, check your account balance, submit meter readings, update your details and tell us if you’re moving premises.
If you have a query relating to your bill, you may find the answer by reading our useful bill explainer.
If there is a submeter on your water supply, visit the link below to find out how your charges are calculated and view answers to other meter network questions.
Or, if your query is about something else, please visit our Frequently Asked Questions page.
Save up to 80% on your fixed water charges
Our friendly Customer Service team are available Monday to Friday, 8am to 6pm. Use live webchat to get in touch, or contact us by phone or email.
Alternatively, you can reach us on payments@castlewater.co.uk.