Sludge Holding Tanks & Roofs
Thames Water Utilities Limited · Private utility
In brief
Thames Water Utilities Limited awarded construction work to Balmoral Tanks Limited, Gel Engineering Limited and Stortec Engineering Limited and 2 others on 16 September 2026.
The contract runs for 8 years, starting 1 June 2026.
It is split into 3 lots, so a supplier can bid for part of the work.
The buyer says it is suitable for small and medium-sized businesses.
Built from the notice's own fields. Always check the official notice before you bid.
What the notice says
This procurement is for the supply and commissioning of sludge tanks, digesters, other associated tanks, roofs, and related items at various wastewater treatment sites. Target Sites The procurement will cover purchase, installation and commissioning of new sludge tanks, digesters, and other associated tanks and roofs and associated items. Objectives • Compliance: Ensure compliance with legislation, improve the environmental impact of the STW and provide infrastructure which is fit for purpose. • Commercial Value: Optimise the material and delivery solution to maximise commercial efficiencies for Thames Water • Futureproofing: Implement a framework which enables Thames Water to be able toe…Read the full description
Lots
| Lot | Trade | Value |
|---|---|---|
| Sludge Holding Tanks (including Digesters and other associated Tanks) (Supply and Installation) 1 June 2026 to 31 May 2034 What this lot coversThis procurement relates to the supply and commissioning support of Sludge tanks, Digesters and Roofs and associated items across potential multiple wastewater treatment sites. | Construction | — |
| Sludge Holding Tanks (including Digesters and other associated Tanks) (CDM Responsibilities) 1 June 2026 to 31 May 2034 What this lot coversThis procurement relates to the supply and commissioning support of Sludge tanks, Digesters and Roofs and associated items across potential multiple wastewater treatment sites. Whilst acting as the responsible CDM representative at the location. | Construction | — |
| Sludge Holding Tank Roofs (including Digesters) 1 June 2026 to 31 May 2034 What this lot coversThis procurement relates to the supply and commissioning support of roofs for the fitting to Sludge tanks, Digesters and associated items across potential multiple wastewater treatment sites | Construction | — |
Who won
| Winner | Lot | Value | Dates |
|---|---|---|---|
| Balmoral Tanks Limited (SME) Gel Engineering Limited (SME) Stortec Engineering Limited (SME) Tank Consult Limited (SME) | Sludge Holding Tanks (including Digesters and other associated Tanks) (Supply and Installation) | — | Awarded 16 September 2026 |
| Balmoral Tanks Limited (SME) Gel Engineering Limited (SME) Stortec Engineering Limited (SME) Tank Consult Limited (SME) | Sludge Holding Tanks (including Digesters and other associated Tanks) (CDM Responsibilities) | — | Awarded 16 September 2026 |
| Balmoral Tanks Limited (SME) Gel Engineering Limited (SME) Stortec Engineering Limited (SME) Tank Consult Limited (SME) MSD Design Limited (SME) | Sludge Holding Tank Roofs (including Digesters) | — | Awarded 16 September 2026 |
Values as the award notice gives them, excluding VAT where stated.
Timeline
- Tender notice · UK4, notice 074498-2025
- Contract award notice · UK6, notice 087789-2026
About the buyer
Procurements
41Awards
11Suppliers it has used most for construction
- Amelio Utilities Limited1 contract
- Balmoral Tanks Limited1 contract
- Enviromontel Ltd1 contract
- Gel Engineering Limited1 contract
- HWM-Water Limited1 contract
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From notice 074498-2025 on Find a Tender, first published 17 November 2025, last updated 16 September 2026. We last checked for changes on 28 September 2026.