---
title: "HO - Heathrow Refurbishment and Switchgear Works - BPRN 7945 / 7121 / 7122"
ocid: "ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "MINISTRY OF JUSTICE"
published: "2026-05-15"
---

# HO - Heathrow Refurbishment and Switchgear Works - BPRN 7945 / 7121 / 7122

Buyer: MINISTRY OF JUSTICE  
Current stage: Award  
OCID: ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c.json)

## Summary

The Ministry of Justice is overseeing a procurement process entitled "HO - Heathrow Refurbishment and Switchgear Works - BPRN 7945 / 7121 / 7122" in the industry category of Switchgear and Construction Work. This process involves infrastructure enhancements at Heathrow, with upgrades and refurbishment projects in Harmondsworth and Colnbrook. The location for the delivery is London, United Kingdom. The procurement has reached the Award stage, with Wates Construction Limited being awarded the contract valued at £4,750,478.78. The project commenced on 6th May 2025 and is expected to be completed by 10th April 2026. The procurement method was selective, using a call-off from a framework agreement.

This tender presents significant business growth opportunities, particularly for large construction and engineering firms experienced in infrastructure and electrical works. The projects demand extensive technical expertise and capacity to operate within an active site, ensuring continuous operations while upgrading facilities, making it well-suited for companies that specialise in high-stakes infrastructure projects. Such opportunities can enhance business portfolios by showcasing expertise in large-scale, high-value contracts within crucial infrastructure sectors.

## Notice

The Heathrow Infrastructure Project (HIP) consists of 3 smaller projects - Harmondsworth Office, Harmondsworth Switchgear and Colnbrook Switchgear. Harmondsworth Office consists of the following: To undertake a fit-out of the Harmondsworth IRC Office Accommodation to create an open-plan office space with increased desk capacity to meet the operational requirements of the HO. Wates will be required to produce a developed design proposal which captures the HO's requirements. The proposed 2nd floor shall contain: - 1nr 14-person meeting room/ boardroom - 1nr prayer room - 1nr wellbeing/ recovery area - 78nr task desks in the open plan office - 5nr breakout areas (1nr privacy setting and 4nr 2-person condo huts) - 1nr accessible toilet and 4nr gender-neutral toilets - A new printer hub with storage spaces - A newly refurbished refreshment hub and seating area for up to 13nr people Harmondsworth Switchgear consists of the following: The works comprise the upgrade of electrical infrastructure at Harmondsworth IRC. This intent of the works is to increase the electrical resilience of the establishment and provide opportunities for future expansion. Upgrading the resilience of the electrical infrastructure at Harmondsworth IRC through the provision of a permanent back-up generator plus HV transformer replacement. The site must stay operational throughout the project through isolating the works. In summary, the contracted works shall include: - Removal of the existing transformer 1 and associated HV breaker. - Provision of a new 1600kVA transformer and associated HV breaker. - Provision of a new 1250kVA fixed generator complete with enclosure and 12-hour day tank within the new generator enclosure. - Replacing the existing generator control panel with a control panel complete with a changeover switch that accepts 2No. generator connections, one for the existing fixed generator and one for the new fixed generator. Location to be within the new fixed generator enclosure and modifications required to main LV Panel. - Hard wiring the 2No. generators to the new control panel and this control panel back to the main LV switchboard existing changeover. - Modifications to existing fence lines to include new generator compound. Colnbrook Switchgear consists of the following: The upgrade of electrical infrastructure at Colnbrook IRC. This intent of the works is to increase the electrical resilience of the establishment and provide opportunities for future expansion.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/0f0b5636-b74f-42b8-aa26-bbb2b850919c |
| Notice type | Award Notice |
| Procurement type | Framework |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Call-off from a framework agreement |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 15 May 2026 |
| Submission deadline | 16 Jan 2025 |
| Future notice date | Not specified |
| Award date | 21 Mar 2025 |
| Contract period | 5 May 2025 - 10 Apr 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £5,636,753 |
| Lots value | Not specified |
| Awards value | £4,750,478 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | MINISTRY OF JUSTICE |
| Locality | WESTMINSTER |
| Post town | South West London |
| Postcode | SW1H 9AJ |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | TLI London |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | WATES CONSTRUCTION |

## CPV Codes

### Divisions

- 31 - Electrical machinery, apparatus, equipment and consumables; lighting
- 45 - Construction work

### Codes

- 31214000 - Switchgear
- 45000000 - Construction work

## Release History

- 15 May 2026 at 14:14 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/0f0b5636-b74f-42b8-aa26-bbb2b850919c

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/0f0b5636-b74f-42b8-aa26-bbb2b850919c
  15th May 2026 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/c5433981-e799-47f9-a3a8-37f61008c004
  n/a

## 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-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-a5246208-3d8f-4329-8012-95d1f1a7594c.json.