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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. 

Guildford new main transfer pipeline

This work will transfer drinking water from Pewley Downs Reservoir into Netley Mill WTW.

Hampstead Norreys sewer relining

Relining our sewer main will help to reduce groundwater infiltration into our network.

Hitches Lane rising main replacement

We're replacing a section of the rising main serving Hitchens Lane pumping station.

Lambourn Valley sewer relining

We're improving our network in Lambourn, East Garston, Eastbury and Great Shefford. 

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.

Swindon New Eastern Villages pumping station

We’re building a new wastewater pumping station off Merlin Way. We're also building two new rising main sewer pipes.