Work in the Thames Valley
We're investing in an ongoing maintenance programme across the Thames Valley and London. This planned work will help to keep your taps flowing and reduce leakage.
Current projects
Find out more about our planned maintenance in the Thames Valley area.
Arborfield trunk main
We’re upgrading a key section of our clean water network in Arborfield to make your supply more reliable.
Clewer Hill Road main replacement
We're carrying out essential water main reinforcement and replacement in Clewer Hill, Windsor.
Guildford new main transfer pipeline
This work will transfer drinking water from Pewley Downs Reservoir into Netley Mill WTW.
Hitches Lane rising main replacement
We're replacing a section of the rising main serving Hitchens Lane pumping station.
Highworth mains replacement
We're upgrading and replacing water mains in the Highworth and Hannington areas.
Lambourn Valley sewer relining
We're improving our network in Lambourn, East Garston, Eastbury and Great Sheffor
Osney Bridge trunk main replacement
We're working to replace damaged water mains and reinforce Osney Bridge in Oxford.
Slough treatment works upgrade
We're developing our designs for the STW upgrade and new pipeline.