New building

Building a new dwelling or extension

If you are building a new dwelling, 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.  

Need a sewerage or water connection? 

Other sewerage connections

More than one property, existing properties, non-domestic properties

Building near or over a minor public sewer

If you’re building within 3 metres of a minor public sewer, you may need our approval, you can find more information here.

A minor asset is one that is not considered strategically important to Wessex Water.

Building near or over a strategic public sewer

If you’re building within 6 metres of a strategic public sewer, you will need our approval, you can find more information here.

A strategic sewer carries waste for a large amount of properties. Typically, they are large (12 inches/300mm or greater) in diameter, but they can be smaller and still be strategic.

Building near or over water main

If you’re building near or over a water supply pipe, you can find more information here.