Top of main content

Self-laying new mains and services

Pre-planning enquiries

We can provide guidance on the layout or design of your project. This service is for 10 or more properties only.

View pre-planning process

About self-laying mains

You can choose to use a self-lay provider rather than Thames Water to lay mains and service connections.

View self-lay overview

Self-lay application process

It's easy to apply online once you've got all your supporting documents ready. Before you start, find out everything you need to know.

How to apply for self lay

Design and construction specifications

Thames Water SLP policies


Additional technical documents