Serving parts of North West London and the Home Counties.

Save time and pay online


To do this you will need:

  • Your customer number (on the right hand side of your bill)
  • Your billing address postcode *
  • A debit or credit card
  • Your email address (so we can send you a payment confirmation)



*Please note: if your billing address is outside of the UK, this system will not be able to accept your payment. However, you can still use our Santander Corporate Banking system, previously Alliance and Leicester BillPay. Alternatively, call us on 0044 345 357 2401 if you have a water meter or 0044 345 357 2402 if you don't. *Calls may be recorded for training and monitoring purposes

We do not add any additional charges or fees. 
Payments made to your account may take up to 24 hours to appear on your online balance. Please note we do not accept American Express.

Privacy statement
Our online payment facility is hosted externally by our partner company, Eckoh.  This third party will handle your payment in accordance with Affinity Water instructions.  However Affinity Water is not responsible for this external site.
The external payment site secures your personal information using Comodo SSL certification which encrypts all information including credit and debit card details and your postcode.