Building and developing

Our expert Developer Services team is here to help.

Network maps

We can provide you with a copy of our plans showing the location of water mains and sewers near to your house or development site.

Renovating or extending a house

If you are planning to renovate or add an extension to an existing property then we are here to help.

Building a single new house

If you are planning to build a single new property then we are here to help.

Developing a commercial property

If you are planning a commercial development then we are here to help.

Developing a new site

Follow our guidance for developers of two or more properties.

Developing a block of flats

If you are building a block of flats then we are here to help.

Self lay

As a developer you may choose to lay water mains yourself under a self-lay agreement with us. Follow our guidance for SLPs.

New Appointments and Variations

The NAV Market enables developers and large business customers to choose their water and sewerage undertaker for a specific geographic area. Follow our guidance for NAVs.

I need something else

Guidance for our other services including fire hydrants and first time sewerage.

Nutrient-neutral development information

This statement provides an update on our current position with respect to working with developers to provide nutrient neutrality capacity at our water recycling centres.