# Thames Water awards KIER Infrastructure GBP 280M contract for Maple Lodge STW upgrade

Thames Water Utilities Limited awarded KIER Infrastructure and Overseas Limited a contract worth up to GBP 280 million for the K298 Maple Lodge STW Quality AMP 7 New Permit project in London. The work includes new inlet screens, storm tanks, activated sludge plant, and tertiary treatment, with contract dates from April 2026 to March 2030.

- Type: Contract
- Announced: 2026-02-17
- Where: London, United Kingdom
- Value: $354.0M (280.0M GBP)
- Status: announced
- Products: wastewater treatment plant construction
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Thames Water Utilities](https://endata.com/companies/6201.md) (customer)
- [Kier Infrastructure and Overseas Limited](https://endata.com/companies/83846.md) (supplier)

## Sources

- [find-tender.service.gov.uk](https://www.find-tender.service.gov.uk/Notice/014471-2026), 2026-02-17: "This project includes, but is not limited to the following packages of work: An additional inlet screen with civils alterations and screening handling upgrade..."

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