New Appointments and Variations (NAVs)

The NAV market enables developers and large business customers to choose their water and sewerage undertaker for a specific geographic area.

For developers wishing to consider an alternative supplier or seeking further information, a full list of appointees and further guidance can be found on Ofwat's website.

For NAVs wishing to seek an appointment in the Wessex Water Region, please read our NAV policy document on how we will support you in your application.

NAV Charges

The following charges relate to the year 2023/24 starting from 1 April 2023.