---
title: "WP6931 - MEP - T2 Space Optimization - Landside"
ocid: "ocds-b5fd17-f4294a27-610a-47fa-88d1-12152036a42f"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-f4294a27-610a-47fa-88d1-12152036a42f"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-f4294a27-610a-47fa-88d1-12152036a42f.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-f4294a27-610a-47fa-88d1-12152036a42f.json"
source: "Contracts Finder"
current_stage: "Tender"
buyer: "COSTAIN LIMITED (H7-HEATHROW)"
published: "2025-10-15"
---

# WP6931 - MEP - T2 Space Optimization - Landside

Buyer: COSTAIN LIMITED (H7-HEATHROW)  
Current stage: Tender  
OCID: ocds-b5fd17-f4294a27-610a-47fa-88d1-12152036a42f

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## Summary

The current procurement process initiated by Costain Limited (H7-Heathrow) involves the project titled "WP6931 - MEP - T2 Space Optimization - Landside," focusing on electrical supplies and accessories. This tender is classified under the industry categories of electrical materials, mechanical signalling, and mechanical installations. The project is located in London, United Kingdom, with the procurement stage at the tender phase. Key dates include the tender period ending on 21st October 2025, and the contract period from 1st April 2026 to 24th June 2026. The estimated contract value ranges from £250,000 to £500,000, and it supports the participation of small and medium enterprises (SMEs) as well as voluntary, community, and social enterprises (VCSEs).

This tender represents a substantial opportunity for businesses operating in the mechanical and electrical engineering sectors. Companies specialised in air handling systems, ductwork, and mechanical installations would find this tender particularly suited to their capabilities. With a focus on optimising space at a high-profile location like Heathrow, participation could lead to significant business growth and increased visibility in the industry. Additionally, the process is open to SMEs and VCSEs, providing a level playing field for diverse business sizes to contribute their expertise to a major infrastructure project.

## Notice

1) MEP Design 2) MEP install * New Air Handling Unit within plant room including supply and extract ductwork to internal and external (including any modifications to existing louvres), CHW, LTHW and drainage connections. * New or modified supply and extract ductwork, all ductwork ancillaries, plant and insulation. Temporary capping to be provided where required for phasing purposes. * New or modified CHW/LTHW and drainage pipework and insulation. (including design of any associated anchors and expansion devices. * New fan coil units (FCU), condensate pumps and associated condensate drainage. * Reinstallation of any retained FCUs, in Office 1, these FCUs are to be removed in another scope and will be provided to the Subcontractor by the Contractor. The Subcontractor shall allow for recertifying the existing FCUs prior to installation. * Modifications to the smoke extract system, including dampers. * Install the primary Unistrut grid within the retail units * All new or modified containment routes * Small power * Lighting and emergency lighting, including modifications to the lighting power track * Modifications to the modular wiring system

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/57ebf753-4dfa-447b-a729-916759c53447 |
| Notice type | Tender 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 | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 15 Oct 2025 |
| Submission deadline | 21 Oct 2025 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 31 Mar 2026 - 24 Jun 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £500,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | COSTAIN LIMITED (H7-HEATHROW) |
| Locality | MAIDENHEAD |
| Post town | Slough |
| Postcode | SL6 4UB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ15 Berkshire East |
| Local authority | Windsor and Maidenhead |
| Electoral ward | Oldfield |
| Westminster constituency | Maidenhead |
| Delivery location | TLI London |

## CPV Codes

### Divisions

- 31 - Electrical machinery, apparatus, equipment and consumables; lighting
- 34 - Transport equipment and auxiliary products to transportation
- 45 - Construction work

### Codes

- 31680000 - Electrical supplies and accessories
- 31681410 - Electrical materials
- 34632100 - Mechanical signalling
- 45350000 - Mechanical installations

## Release History

- 15 Oct 2025 at 08:40 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/57ebf753-4dfa-447b-a729-916759c53447

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/57ebf753-4dfa-447b-a729-916759c53447
  15th October 2025 - Opportunity notice on Contracts Finder
- https://www.competefor.com/business/viewOpportunityDetailsSupplier.html?id=101140257
  Please follow this link to view the notice.

## 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-f4294a27-610a-47fa-88d1-12152036a42f. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-f4294a27-610a-47fa-88d1-12152036a42f.json.