Not registered? Register today Hello. Sign in. My Account View all current alerts (3) At Home > Billing > Change your details How to update your details Updating your details online is simple, from My Account you can: Update your contact details Correct how your name appears on a bill Add someone to your bill, such as your partner or housemate Tell us you’re moving home SIGN IN Not yet registered? You can register today with your customer reference number. You’ll find it at the top of your bill. Register now Chat to us via WhatsApp Click the button below to chat to us. Alternatively, add our number 07971013368 to your phone contacts (WhatsApp text messaging only). We are available to chat between 8am-6pm Monday-Friday. CLICK HERE USING YOUR MOBILE Frequently asked questions I am moving house, what do I need to do? What is the Low Income Fixed Tariff Will I save on a meter? Do I have to have a meter? What are fixed charges? How can I pay my bill? How can I report a water leak? Can I pay monthly? Can I add or remove someone from my account? How do I cancel my Direct Debit? Environment River Restoration Sustainability Reductions Biodiversity Catchment management Corporate About us Environment Investor relations News Our plans Reports & publications Careers Our Jobs Our Benefits Our Culture Accessibility Modern Slavery & Human Trafficking Privacy & cookies Sitemap Terms of use Useful links Water Quality © 2021, Affinity Water Limited. Registered in England No.02546950. Registered office: Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ. Website design & build by Switch They allow us to recognise and count the number of visitors and to see how visitors move around our website when they are using it. This helps us to improve the way our website works, for example, by ensuring that users are finding what they are looking for easily. Social Sharing Cookies We use some social sharing plugins, to allow you to share certain pages of our website on social media Social Sharing Cookies On Off About this tool (Opens in a new window) Cookie Control