Closed tender

Procurement of the Development Agreement Related to a Low Carbon Heat Network in the Square Mile

Details

Value
£4,342,000,000
Topic
Urban development construction work
Published
16 December 2025
Submission
26 January 2026

Tender description

City of London Corporation (“CoLC”) is seeking via this Procurement to select a Heat Network Development Partner to develop the Network and, subject to receipt of the necessary approvals, deliver the Network. It is intended that, as a result of this Procurement, CoLC will enter into a development agreement under which the Heat Network Development Partner (via the special purpose vehicle (the “SPV”) established for development and delivery of the Network) is required to design and develop the Network up until the point at which it is ready to be built, at which point, it will present the project for approval by CoLC. Provided that the project passes this “Approvals Gateway”, CoLC and the Heat Network Development Partner will be required to enter into the Shareholders’ Agreement which will govern the management of the SPV and impose obligations on delivery and operation of the Network. CoLC invests no capital in the SPV and derives no economic benefit as a Shareholder but, holds a “special” or “golden” share in the SPV which allows it certain rights as set out in more detail in the Contractual Documentation. The geographical area for the development and delivery of the Network is bounded by: a) the City of London boundary with Westminster, Camden, and Islington; b) roads including Moorgate, Princes Street, King William Street, and London Bridge; and c) the River Thames. The indicative procurement dates for this opportunity are: 12/01/2026 - Deadline for initial clarification questions submitted (Enquiry Deadline) 26/01/2026 - Deadline for receipt of PSQ Response (Tender Submission Deadline) 23/03/2026 - Deadline for receipt of Interim Tender Responses 22/06/2026 - Deadline for receipt of Final Tender Responses 05/11/2026 - Assessment summaries & Contract Award Notice issued 26/11/2026 - Contract signature (Contract Start Date)

Timeline

  1. Completed: Tender published16 December 2025
    Current notice
  2. Completed: Submission date26 January 2026

About the buyer

City of London Corporation buys as a local authority, and sets out its own procurement policies and requirements for suppliers. Its City Fund draws on rental and interest income from the Corporation's own property, alongside business rates and council tax. New tender opportunities are advertised through the Corporation's Sourcing and Contracts Portal, where suppliers register. Lower-value opportunities also appear on Contracts Finder, with higher-value contracts advertised on Find a Tender. A three-year Commercial Pipeline gives suppliers early visibility of larger opportunities. The Corporation also runs soft market testing to shape future procurements with suppliers.

UK local government drives £140bn in annual procurement, led by social protection (£66.6bn) and education (£57.1bn).

Over the past 5 years, most of City of London Corporation's contract awards have been in architectural and engineering services, business services and construction work.

Relevant CPV codes

  • 45211360 · Urban development construction work
  • 45232140 · District-heating mains construction work
  • 45232141 · Heating works
  • 71314000 · Energy and related services

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Decision makers

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