Whether you're building your own house or planning a housing or commercial development, we'll work with you to make sure your water and wastewater plans are right for your project. If you know which service you want, there is information on all of our water and wastewater services below.
Before you start, check if your development is in our area.
Guidance for replacing lead water pipes, connecting to mains water supply and building an extension.
Guidance for self-build projects and property developers building up to five houses.
Information for companies building more than five houses, a commercial development or flats and apartments.
Guidance and forms for developers and contractors.
NAVs can provide water and sewerage services in some areas.
If you're thinking about a possible development, it's important to get expert input now
Sewerage solutions for your new house build or development
Guidance and forms for water connections and laying new mains
Guidance on national planning standards and risk assessments
If you're planning works in the North West, check if it could affect our network
Information on our charges for water and wastewater services for developments
If you've got a question about your project or need some advice, please get in touch