HMP Onley Watermain Replacement BPRN: 582/20/7047

Ministry of Justice
London
Selective procedure
20 March 2025 to 1 September 2026

Installation of new MDPE below-ground watermain to serve 89 residential properties, including the removal of existing asbestos cement and cast-iron pipework. The project involves reconnecting individual service pipes at property boundaries and installing new water meters. This is a two-stage design and build contract requiring pre-construction surveys and design services followed by full site construction.

Open the official notice

Awarded value: £3m; As published
Published: 25 March 2025; Contracts Finder
Awarded: 20 March 2025; Galliford Try
Contract length: 17 months; Ends 1 September 2026

What the buyer is asking for

Provision of civil engineering and infrastructure design and build services for watermain replacement projects within secure estate environments.

Category: Prison building construction work

Lifecycle

Publishedon Contracts Finder
25 March 2025
Contract awardedto Galliford Try
20 March 2025
Contract starts
20 March 2025
Contract ends
1 September 2026

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See the water mains installation market: prices, buyers and who wins →

The buyer

Type: Other public body
Water mains installation contracts, 24 months: 1
Open water mains installation tenders: 0
Typical water mains installation contract: £3m

See everything Ministry of Justice buys →

How it compares

25× the typical water mains installation contract (£121k).

Cite this contract

Link: https://bidskim.com/tender/251962/hmp-onley-watermain-replacement-bprn-582-20-7047
Buyer reference: tender_466919/1463355
Open contracting ID: ocds-b5fd17-ca552462-7982-4bf1-9c83-d4a58b8a4734
Source: Contracts Finder
Last checked: 12 October 2026

Ministry of Justice. HMP Onley Watermain Replacement BPRN: 582/20/7047. Contract award, 25 March 2025. BidSkim, https://bidskim.com/tender/251962/hmp-onley-watermain-replacement-bprn-582-20-7047 (accessed 12 October 2026).