Serving parts of North West London and the Home Counties.

Self Lay Water Mains


Code of practice

As of 1 August 2017 we are operating in accordance with the Water UK Code of Practice for the Self-Laying of Water Mains and Services. This will apply to all new applications. to Self Lay a Water Mains

  • If you are a developer or a certified Self-Lay Provider applying on behalf of a developer for Affinity Water to design a new mains, please apply using the Mains & Connections form.

  • If you are a certified Self-Lay Provider submitting a drawing for our review, please login on and start a new Self-Lay Mains application.

Please note: to apply for a self lay your contractor has to be on the Lloyd's register, click here to find out more.

                             Apply to Self-Lay a Water Main >>


On site works forms

What forms you need to complete and return to us during your on site works.



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