---
title: "City of London Heat Network Delivery in the Square Mile"
ocid: "ocds-h6vhtk-04fbdd"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fbdd"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fbdd.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fbdd.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON"
published: "2025-04-02"
---

# City of London Heat Network Delivery in the Square Mile

Buyer: THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON  
Current stage: Planning  
OCID: ocds-h6vhtk-04fbdd

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## Summary

The Mayor and Commonalty and Citizens of the City of London are currently in the planning stage for a procurement process titled "City of London Heat Network Delivery in the Square Mile," which falls under public utilities and services related to the oil and gas industry. This procurement involves developing a zonal scale heat network within the Square Mile and exploring partnerships for broader energy system decarbonisation measures. Interested suppliers are invited to participate in market engagement activities, including site visits requiring a mutual NDA. Key dates include a participation deadline on 16 May 2025, with future notices expected by 1 October 2025. The project is based in the UK, specifically the City of London, with a planned contract period from October 2026 to September 2028.

This tender provides significant opportunities for businesses specialising in public utilities and energy services, particularly those involved in heat network developments and decarbonisation initiatives. Companies with relevant expertise, including SMEs, are encouraged to participate, as this procurement can lead to substantial growth by allowing collaboration with the City Corporation in addressing priority energy measures. The procurement method involves preliminary market engagement to gauge interest and establish partnerships, offering a platform for suppliers to showcase their capabilities and potentially secure contracts within this prestigious location.

## Notice

A Soft Market testing exercise was conducted in September 2024 (under PCR 2015) in consideration as too whether to commence a formal open tender process, at the time the City Corporation (CoLC) wished to establish the level of market interest in a zonal scale heat network development within the Square Mile and potential partnerships to deliver wider energy system decarbonisation measures to address the priority areas identified in within the documents provided. The following organisations were directly invited by the CoLC to complete the PME / SMT activity in September 2024 are listed below, those particpating suppliers will also be asked to participate in this PME / SMT (April 2025) exercise. * 1Energy * E.ON * EQUANS * Hemiko (Pinnacle Power) * Noventa * SSE * Vattenfall * Veolia * Vital Energi Prior to considering whether to commence a formal tender process, the CoLC wishes to establish the level of market interest in a zonal scale Heat Network development within the Square Mile and potential partnerships to deliver wider energy system decarbonisation measures to address the priority areas identified in the CAS and LAEP. This activity does not, however, commit the CoLC to running a tender process in the future.

### Planning Information

Engagement will consist of a SMT Questionnaire that participating suppliers will be required to submit their responses via the following tender portal (https://cityoflondon.ukp.app.jaggaer.com/).
Participating suppliers will have the opportunity to visit two City of London sites to further understand the project. Participating suppliers that wish to attend the City of London site visits will be requirred to sign a Mutual NDA in respect to the site visits including the building plans that will be provided during the vist, as well as further information.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/012480-2025 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 2 Apr 2025 |
| Submission deadline | Not specified |
| Future notice date | 1 Oct 2025 |
| Award date | Not specified |
| Contract period | 30 Sep 2026 - 30 Sep 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £3,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planning |
| Lots status | Planning |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON |
| Locality | CITY OF LONDON |
| Post town | Central London |
| Postcode | EC2P 2EJ |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI4 Inner London - East |
| ITL 3 | TLI43 Haringey and Islington |
| Local authority | Islington |
| Electoral ward | Clerkenwell |
| Westminster constituency | Islington South and Finsbury |
| Delivery location | TLI31 Camden and City of London |

## CPV Codes

### Divisions

- 65 - Public utilities
- 76 - Services related to the oil and gas industry

### Codes

- 65000000 - Public utilities
- 76000000 - Services related to the oil and gas industry

## Release History

- 2 Apr 2025 at 11:12 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/012480-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/012480-2025
  2nd April 2025 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- https://cityoflondon.ukp.app.jaggaer.com/
- https://www.cityoflondon.gov.uk
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fbdd. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04fbdd.json.