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Haven't quite found what you need yet? There's more to discover below.

And if that's not hitting the mark, feel free to explore our FAQs or give us a call – we're here to help.

Supporting documents

Some handy information to help you on your Development Experience journey

Payment information

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You can make an online payment by logging into 'My Developments' and selecting ‘My Payments’ this will detail any payments due as well as showing a history of any previous payments.


  • Account number: 80542903
  • Sort Code: 20 05 03
  • Reference number: Please quote your scheme reference number (without this we are unable to process your payment).
  • Please confirm that you have paid by BACS when you send in your checklist and declaration.
  • PLEASE NOTE: Some banks have Affinity Water as an automatic payee however using this method will not allow you to pay using the NC Number. Depending on your bank, there are a number of alternative methods, please contact your bank for further assistance


  • If you're sending us a cheque, please make it payable to Affinity Water Ltd and include your checklist and declaration.
  • Please quote your scheme reference number on the back of the cheque (without this we are unable to process your payment).

Useful external websites

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This section provides links to useful external websites relating to the development of water services.

Affinity Water is not responsible for and cannot guarantee accuracy of information on sites that it does not manage: inclusion on this page does not mean that Affinity Water endorses the linked site.

Find a WIRS accredited Self-Lay Provider using Lloyd's Register (LRQA)

Find out who your water supplier is using  WaterUK

Find out who your retailer is using Open Water

Find a local WIAPS Approved Contractor using Water Regs UK

Look for an approved water contractor using WaterSafe

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