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Developing a market-based approach to deliver SuDS through street works 

Developing a market-based approach to deliver SuDS through street works 

Challenge: Breakthrough 4: Catalyst
Water cycle: Rivers, catchments, groundwater
Funding amount: £1,340,610
Lead water company: Thames Water
Partner water companies: Affinity Water Dŵr Cymru (Welsh Water) Northumbrian Water
Delivery stage: In progress
Est. completion date: Mar 2026

Developing a market-based approach to deliver SuDS through street works

Amount awarded: £1,340,610

Led by: Thames Water

Partners: Greater London Authority

The risk of flooding in London from heavy rain is increasing. This project incentivises utility companies to refill some of the 165,000 holes they dig in London every year with ‘sustainable drainage systems’ (such as raingardens). These will reduce strain on drains from rainwater and create a greener city. 

“We already work with the GLA and other utility companies to deliver shared streetworks projects to reduce disruption to Londoners. This project will take it to the next level, using the opportunities created by street works to deliver green flood risk solutions that will benefit customers, society and the environment.” – Nevil Muncaster, Engineering & Asset Director, Thames Water