Gallows Corner Flyover - Water Main Diversion

Transport for London
London
Direct award
19 November 2025 to 6 March 2026

Diversion of a 36-inch water main to facilitate the construction of a new bridge structure. The project involves complex civil engineering works, specifically incorporating both tunnelling and open-cut construction techniques to relocate the existing utility infrastructure.

Open the official notice

Awarded value: £16.2m; As published
Published: 7 November 2025; Find a Tender
Awarded: 7 November 2025; Northumbrian Water
Contract length: 4 months; Ends 6 March 2026

What the buyer is asking for

Specialist civil engineering and utility infrastructure services for the diversion of large-diameter water mains and associated tunnelling construction works.

Lifecycle

Publishedon Find a Tender
7 November 2025
Contract awardedto Northumbrian Water
7 November 2025
Contract starts
19 November 2025
Contract ends
6 March 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: £16.2m

See everything Transport for London buys →

How it compares

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

Cite this contract

Link: https://bidskim.com/tender/333590/gallows-corner-flyover-water-main-diversion
Buyer reference: ocds-h6vhtk-05dd15
Open contracting ID: ocds-h6vhtk-05dd15
Source: Find a Tender
Last checked: 12 October 2026

Transport for London. Gallows Corner Flyover - Water Main Diversion. Contract award, 7 November 2025. BidSkim, https://bidskim.com/tender/333590/gallows-corner-flyover-water-main-diversion (accessed 12 October 2026).