---
title: "Guildhall - East Wing - (Mechanical) Principal Contractor"
ocid: "ocds-h6vhtk-06a35d"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06a35d"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06a35d.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06a35d.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON"
published: "2026-05-26"
---

# Guildhall - East Wing - (Mechanical) Principal Contractor

Buyer: THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON  
Current stage: Planning  
OCID: ocds-h6vhtk-06a35d

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06a35d)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06a35d.json)

## Summary

The Mayor and Commonalty and Citizens of the City of London are planning a procurement process for the project titled "Guildhall - East Wing - (Mechanical) Principal Contractor," under the industry category of mechanical installations. This process, currently in the planning stage, involves upgrades to mechanical and associated electrical building services within the Guildhall East Wing. Located in the City of London, this project has an estimated gross value of £4.8 million, and works are tentatively scheduled to commence on the 20th of January 2027, concluding on the 25th of November 2027. A future notice is anticipated to be published by the 26th of November 2026, although it is important to note that this notice serves only for market awareness, not as an active call for competition.

This tender presents substantial opportunities for small and medium-sized enterprises (SMEs) and voluntary, community and social enterprises (VCSEs) that specialise in mechanical installations and could support major infrastructure upgrades in a prestigious, operational building in Central London. Businesses with experience in complex refurbishment projects, particularly in historical or operational sites, are well-placed to capture value from this opportunity. With a significant budget allocated for the planned upgrades and a focus on professional expertise in handling intricate building systems, this project can be a noteworthy addition to a contractor's portfolio, facilitating growth and recognition in the public sector works market.

## Notice

The works comprise mechanical and associated electrical building services upgrades within the Guildhall East Wing, including replacement and refurbishment of plant, distribution systems and associated infrastructure, together with enabling and builder's works required to support installation. Works will be undertaken within an operational building. This notice is issued for transparency and market awareness only and does not constitute a call for competition or procurement exercise. The Authority reserves the right not to proceed with any procurement referenced in this notice. Any future procurement will be subject to separate publication and compliance with the Procurement Act 2023. All details within this notice, including values, scope and anticipated timings, are indicative and non-binding.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/048686-2026 |
| Notice type | UK1 - Pipeline Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME, VCSE |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 26 May 2026 |
| Submission deadline | Not specified |
| Future notice date | 26 Nov 2026 |
| Award date | Not specified |
| Contract period | 20 Jan 2027 - 25 Nov 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £4,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planned |
| Lots status | Planned |
| 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 | Not specified |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45350000 - Mechanical installations

## Release History

- 26 May 2026 at 11:39 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/048686-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/048686-2026
  26th May 2026 - Pipeline notice on Find a Tender

## Notice URLs

- 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-06a35d. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06a35d.json.