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
Postcodes: OX3, OX4 | We are aware of an issue with your water supply. The Thames Water team are carrying out urgent repairs and will get your water supply back to normal as quickly as possible. For the latest updates, please visit Thames Water.
MyAccount is your dedicated self-serve customer portal, providing secure 24/7 access to manage your account(s) online. Register today. It’s quick & easy plus, your previous invoices will be available immediately*.
Please note; MyAccount is currently unavailable to Scotland customers. If you are a customer in Scotland and would like to request a copy of your bill, please email customersupport@castlewater.co.uk.
*Please note that this may take a little longer for consolidated billing customers.
Save up to 80% on your fixed water charges