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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.

About self-laying mains

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

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.

Design and construction specifications

Thames Water SLP policies

Forms

Additional technical documents