Switch to Castle Water for award winning service and start saving on your fixed water charges.
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Switch to Castle Water for award winning business water services for companies and organisations of all sizes.
Save water and reduce your monthly bills with our practical water saving measures and helpful advice.
Unlike other retailers, we have a dedicated trade effluent team ready to support you. Find out more about the resources available today.
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 Customer Service team are available Monday to Friday, 9am to 5pm. Use live webchat to get in touch, or contact us by phone or email.
Alternatively, you can reach us on payments@castlewater.co.uk.