Design and Build Contractors (Minor Works) Framework Agreement
Wessex Water Services Ltd · Private utility
In brief
Wessex Water Services Ltd awarded construction and electrical work to Bartlett Contractors Limited, Integrated Water Services Limited and Mildren Construction Limited and 19 others on 24 September 2025.
It is split into 2 lots, so a supplier can bid for part of the work.
Built from the notice's own fields. Always check the official notice before you bid.
What the notice says
Lots
| Lot | Trade | Value |
|---|---|---|
Non-Infrastructure Works (potable water and wastewater)What this lot coversa) Potable water non-infrastructure scope includes, but is not limited to; i. Refurbishment, replacement and provision of new potable ground and surface water production assets such as enhanced slow sand filter performance, ii. Disinfection, surge protection, chemical dosing, pumping systems and supervisory control, iii. Run-to-waste facilities, cartridge filters and UV, iv. Increased power resilience, v. New service reservoirs and inspection and maintenance of existing service and storage reservoirs. b) Wastewater non-infrastructure scope includes, but is not limited to; i. Refurbishment, replacement and provision of new inlet screens, ii. MCC (Motor Control Centre) replacement and associated DNO (Distribution Network Operator) works, iii. Stormwater storage, iv. Event duration monitors, v. Settlement tanks, vi. Modular treatment equipment, vii. Digester roof replacement, viii. Chemical dosing, ix. Phosphorous removal, x. Odour control and increased power resilience. | Construction, Electrical, Architecture and engineering | — |
Infrastructure Works (potable water and wastewater)What this lot coversa) Potable water infrastructure scope includes, but is not limited to; i. Distribution mains and lead communications pipe replacement, ii. Pressure management activities, iii. Inspection and maintenance of aqueducts, bridges and tunnels, iv. Reservoir maintenance and upgrades. b) Wastewater infrastructure programme includes, but is not limited to; i. New rising mains and their replacement, ii. Refurbishment of stormwater management systems (inc. Tanks, overflow channels, outlets etc), iii. Gravity solutions to maintain asset health and accommodate growth together with pipe bridge inspections, iv. Sustainable urban drainage (suds) and the need to respond effectively to emergency works that are generally pipeline related, v. Sewage pumping station refurbishments, enhanced power resilience, switchgear and transformer replacement | Construction, Electrical, Architecture and engineering | — |
Who won
| Winner | Lot | Value | Dates |
|---|---|---|---|
| Bartlett Contractors Limited (SME) | — | — | |
| Integrated Water Services Limited | — | — | |
| Mildren Construction Limited (SME) | — | — | |
| Mills Engineering Services Ltd (SME) | — | — | |
| Ocu Utility Services Limited | — | — | |
| OnSite Central Limited (SME) | — | — | |
| Renn Consultancy Ltd. (SME) | — | — | |
| Rhames Ltd (SME) | — | — | |
| Stonbury Limited (SME) | — | — | |
| Trant Engineering Ltd | — | — | |
| Unitspark Limited (SME) | — | — | |
| Bridges (Electrical Engineers) Limited (SME) | — | — | |
| Bartlett Contractors Limited (SME) | — | — | |
| Envolve infrastructure ltd (SME) | — | — | |
| Galliford Try Construction Limited | — | — | |
| Glanville Cleansing Ltd | — | — | |
| Mildren Construction Limited (SME) | — | — | |
| Network Plus Services Ltd | — | — | |
| Ocu Utility Services Limited | — | — | |
| OnSite Central Limited (SME) | — | — | |
| Stonbury Limited (SME) | — | — | |
| United Infrastructure Water Limited | — | — | |
| D.M.S. Engineering Limited (SME) | — | — | |
| Unitspark Limited (SME) | — | — | |
| EcoGenR8 Limited (SME) | — | — | |
| Electrical & Pump Services Ltd | — | — | |
| Envolve infrastructure ltd (SME) | — | — | |
| Galliford Try Construction Limited | — | — | |
| Gel Engineering Limited (SME) | — | — | |
| Hanevo Ltd (SME) | — | — |
Values as the award notice gives them, excluding VAT where stated.
Timeline
- Contract award notice · notice 062564-2025
About the buyer
Procurements
3Awards
1Similar open tenders
All open construction tenders- £92.8mestimated
- £4.4mestimated
- £160kestimated
- £180kestimated
- £90kestimated
From notice 062564-2025 on Find a Tender, first published 6 October 2025. We last checked for changes on 28 September 2026.