AwardedAwarded 17 February 2026
K298 Maple Lodge STW Quality AMP 7 New Permit
Thames Water Utilities Limited · Private utility
In brief
Thames Water Utilities Limited awarded construction work to Kier Infrastrucutre Overseas Limited on 17 February 2026.
Built from the notice's own fields. Always check the official notice before you bid.
What the notice says
This project includes, but is not limited to the following packages of work:
An additional inlet screen with civils alterations and screening handling upgrade
An additional detritor and flow inlet channel, incorporating a new storm separation weir
A new storm tank and river outfall, including flow transfer culvert and new storm return pumping station
Upgrades to the existing six PSTs and conversion of three storm tanks into PSTs, fitted with chain and flight scraper Replacement Primary chemical dosing pumps to aid Phosphorus removal
A new activated sludge plant Bank C, with new feed PS and blowers
Eight new 28m diameter final settlement tanks, interconnecting pipework, distribution chambers and RAS system
A new secondary chemical dosing system to aid Phosphorus removal
Two new Tertiary Solids Removal treatment plants, one serving the effluent from Bank A and B, and one serving the effluent from the new Bank C
An additional Drum thickener
New incoming switchboard for the new DNO supply
Modification and upgrade of HV/LV networks
Modification and upgrade to the power management system and site-wide SCADA
Modification and upgrade to the Process SCADA
Additional standby powered generation
Demolition and removal of redundant structures, plant and equipment
N.B. Please note that this Contract Notice shows a value of £280m. The current contract value is circa £140m-£280m.
Who won
| Winner | Value | Dates |
|---|---|---|
| Kier Infrastrucutre Overseas Limited | £280,000,000 | Awarded 17 February 2026 |
Values as the award notice gives them, excluding VAT where stated.
Timeline
- Contract award notice · UK6, notice 014471-2026
About the buyer
Thames Water Utilities LimitedLast 12 months
Procurements
42Awards
12Suppliers it has used most for construction
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From notice 014471-2026 on Find a Tender, first published 17 February 2026. We last checked for changes on 28 September 2026.