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K298 Maple Lodge STW Quality AMP 7 New Permit

THAMES WATER UTILITIES LIMITED

Estimated Value

Not specified

Deadline

6 May 2025

Published

17 February 2026

Type

Not specified

Private tenderSouth EastGBselective

Overview

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.

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Award Details

KIER INFRASTRUCTURE AND OVERSEAS LIMITED

17 Feb 20261 Apr 2026 – 29 Mar 2030

Likely incumbents

Suppliers who won similar work from this buyer in the last 5 years.

5 found
  1. 1

    STARK SOFTWARE INTERNATIONAL LTD.

    1 contract wonlatest 28 Sept 2026ends 31 Mar 2030CH 02911704

    £5m

    total awarded

  2. 2

    BALMORAL TANKS LIMITED

    1 contract wonlatest 16 Sept 2026ends 31 Oct 2029CH SC300656

    £0

    total awarded

  3. 3

    GEL ENGINEERING LIMITED

    1 contract wonlatest 16 Sept 2026ends 31 Oct 2029CH 08032283

    £0

    total awarded

  4. 4

    STORTEC ENGINEERING LIMITED

    1 contract wonlatest 16 Sept 2026ends 31 Oct 2029CH 11185164

    £0

    total awarded

  5. 5

    TANK CONSULT LIMITED

    1 contract wonlatest 16 Sept 2026ends 31 Oct 2029CH 08720676

    £0

    total awarded

STARK SOFTWARE INTERNATIONAL LTD. is the most likely incumbent based on recency and category match. To win, bidders typically need a clearly differentiated proposition or a price advantage.

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Buyer Profile

THAMES WATER UTILITIES LIMITED
Typepublic body
RegionUKJ11
Total tenders54
Total spend£7,713,070,389
View buyer profile

Key Dates

Published

17 February 2026

Submission deadline

6 May 2025

Notice type

award

Source

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