Building a new house or extension

If you are building a new house, extension to an existing property, building a garage or conservatory, you will need to consider whether there are any Wessex Water assets in the way.

Building multiple properties or large developments

Our expert Developer Services team are on hand to offer impartial advice and guidance on the specific water supply and sewerage needs for your development

Connecting to the public sewerage system

Connecting to the public sewerage system

Waste water services

Whether you are connecting a single property or a development to our sewer network, get in touch for expert advice.

Other sewerage connections

If you're looking to make a new sewer connection, you will need Wessex Water's consent

Connecting to water supply

If you need help with your water supply needs on site, you can call on the expertise of our developer services team to provide you with the best solution that suits your specific need.

Water supply connection and disconnections

Water supply connection and disconnections

Supply services

If you need a water supply for your property or a development, our experienced team can find the best solution.

Single point of use (non-domestic)

Single point of use (non-domestic)

Other connections

Other connections

Engaging with you

Engaging with you

Sewerage levels of service

Sewerage levels of service

Sewerage and water connections for a single new dwelling

If you are looking to make a new sewer or water connection, you will need Wessex Water's consent

Apply online

You can apply online for sewer connections, build overs and water supply connections.

Standard Criteria

If you are building near to a public sewer and can meet the criteria below, then you can proceed with your project.

Document library

All our published documents and leaflets are available to view and download.

Self lay documents

Application forms and guidance notes for self lay providers

NAV documents

Application forms and guidance notes for NAVs

Water supply documents

Application forms and guidance notes for water services

Waste water documents

Application forms and guidance notes for waste water services