# Costain awarded £45M contract by Severn Trent to upgrade Rugby Newbold STW

Costain has been awarded a £45 million contract by Severn Trent to design and build a new activated sludge plant and upgrade infrastructure at Rugby Newbold Sewage Treatment Works, increasing capacity by 28% by 2028.

- Type: Contract
- Announced: 2026-03-18
- Where: Rugby, Warwickshire, United Kingdom
- Value: $57.0M (45.0M GBP)
- Status: announced
- Capacity: 27,598 m3/d (dry weather flow)
- Products: activated sludge plant, pumping stations, settlement tanks, chemical dosing plant
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Costain Group](https://endata.com/companies/388.md)
- [Costain Group](https://endata.com/companies/388.md) (supplier)
- [Severn Trent](https://endata.com/companies/13721.md) (customer)

## Sources

- [costain.com](https://www.costain.com/news/press-releases/2026/costain-awarded-contract-to-upgrade-rugby-newbold-stw/), 2026-03-18: "We have a long-term trusted partner relationship with Severn Trent and are looking forward to once again having the opportunity to deliver high quality infrastructure upgrades quickly and safely."
- [waterbriefing.org](https://www.waterbriefing.org/home/contracts/item/25182-severn-trent-awards-%C2%A345m-amp8-contract-to-deliver-critical-infra-upgrades-at-rugby-newbold-stw-to-costain), 2026-03-18: "Severn Trent has awarded a major £45 million AMP8 contract to deliver critical infrastructure upgrades at its Rugby Newbold Sewage Treatment Works to infrastructure solutions company Costain."
- [constructionintelligence.co.uk](https://www.constructionintelligence.co.uk/contracts/costain-secures-45m-rugby-sewage-works-upgrade/), 2026-03-18: "Costain has won a £45m contract to upgrade key assets at Severn Trent’s Rugby Newbold sewage treatment works, extending a long-standing partnership between the two organisations."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.