Costain Group PLC

18 June 2026

Costain to deliver West Winch Housing New Road

Costain Group PLC ("Costain") today announces that it has been selected by Norfolk County Council to design and build the new road infrastructure for the West Winch Housing scheme, enabling critical housing growth near King's Lynn, Norfolk. The contract is a significant part of the overall £122m scheme, with design commencing this year and construction expected to commence in 2027.  

Aligning with the Government's mission to drive economic growth by investing in the infrastructure required to support growth in housing, data centres and industrial development, this contract supplements Costain's existing involvement in delivering critical transport, water and energy infrastructure across the east of England, including:

-      road upgrades across 11 local authorities via the Eastern Highways Alliance Framework

-      hundreds of kilometres of new water pipeline to enhance the region's resilience to climate change and water scarcity and enable population and industrial growth, as part of Anglian Water's Strategic Pipeline Alliance

-      1,625km of gas mains upgrades for Cadent, providing new gas mains for 168,000 homes

-      consultancy services to support the delivery of projects at London Stansted airport

The new road will connect the A47 with the A10 to serve up to four thousand new homes planned south of King's Lynn. In addition to designing and building the new link road, Costain's role will also involve the creation of new roundabouts that will provide access to the new housing areas, a cycle path alongside the new road as well as dualling just under one mile of the A47 trunk road.

Alex Vaughan, Chief Executive Officer of Costain, commented: "This award is built on our long-established highways delivery expertise and our proven track record in delivering best-in-class, value-for-money services for local authorities across the UK.   

"The West Winch Housing Road is an exciting project that will significantly improve people's lives and help support the local economy in the east of England and we're looking forward to working closely with our supply chain partners to deliver this new road safely and efficiently."   

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Costain improves people's lives by creating connected, sustainable infrastructure that enables people and the planet to thrive. Through the delivery of predictable, best-in-class solutions across the transport, water, energy and defence markets, we are creating a sustainable future and securing a more prosperous, resilient and decarbonised UK.