---
title: "Repair of Heat & Vent Air Conditioning (HVAC) Units and Associated Consumables for S Stock, London Underground Rolling Stock"
ocid: "ocds-h6vhtk-05e436"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05e436"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e436.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e436.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "TRANSPORT FOR LONDON"
published: "2026-04-01"
---

# Repair of Heat & Vent Air Conditioning (HVAC) Units and Associated Consumables for S Stock, London Underground Rolling Stock

Buyer: TRANSPORT FOR LONDON  
Current stage: Award  
OCID: ocds-h6vhtk-05e436

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05e436)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05e436.json)

## Summary

Transport for London is the buying organisation for the repair of Heat & Vent Air Conditioning (HVAC) units and associated consumables for the S Stock rolling stock of the London Underground. The procurement process has reached the award stage with a direct award to Mitsubishi Electric Europe B.V., valued at approximately £1,816,253 gross, with a standstill period ending on 14 April 2026. The contract will commence on 16 April 2026 with a potential extension up to 2034. Located in London, the procurement falls within the utilities industry category under special regime guidelines.

This tender provides business growth opportunities for large-scale suppliers in the HVAC and railway maintenance industries, particularly those capable of handling specialised and proprietary systems. Mitsubishi Electric Europe B.V. is preferred due to its expertise in maintaining bespoke HVAC systems that ensure compatibility and uninterrupted service, presenting a competitive advantage for businesses with similar capabilities. The direct award method underscores the complexity and technical dependency involved, favouring established industry leaders like Mitsubishi for such specialised contracts.

## Notice

This Contract Award Notice is issued in accordance with the Procurement Act 2023 to notify the market of the intention to award a contract and to formally commence the standstill period for the repair of Heat & Vent Air Conditioning (HVAC) Units and Associated Consumables to support London Underground's S Stock Rolling Stock requirements. In line with the Procurement Act 2023, this Contract Award Notice triggers an 8 working day standstill period, as applied automatically by the Find a Tender system. The Authority will not enter into the contract before the end of this standstill period. The HVAC units are used in the Cab and Saloon to provide a comfortable environment to both driver and passengers during all seasons. Spend is not committed and the repairs and associated consumables will be according to requirement. The justification for awarding this proposed contract in accordance with the Procurement Act 2023 Direct Award to Mitsubishi Electric Europe B.V. is compliant with Section 41.6,Schedule 5, Paragraph 7 : Paragraph 7 states:- The public contract concerns the supply of goods, services or works by the existing supplier which are intended as an extension to, or partial replacement of, existing goods, services or works in circumstances where- (a) a change in supplier would result in the contracting authority receiving goods, services or works that are different from, or incompatible with, the existing goods, services or works, and (b )the difference or incompatibility would result in disproportionate technical difficulties in operation or maintenance. The S Stock HVAC System are proprietary assets and maintenance is currently undertaken by Mitsubishi Electric Europe B.V. Due to the bespoke nature of the HVACs and the technical dependency, only Mitsubishi Electric Europe B.V. can ensure full compatibility and continuity of service.

### Procurement Information

The S Stock HVAC System are proprietary assets and maintenance is currently undertaken by Mitsubishi. Due to the bespoke nature of the HVACs and the technical dependency, only Mitsubishi can ensure full compatibility and continuity of service.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/030070-2026 |
| Notice type | UK6 - Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 1 Apr 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 19 Nov 2025 |
| Contract period | 15 Apr 2026 - 15 Apr 2031 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £1,816,253 |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | TRANSPORT FOR LONDON |
| Locality | LONDON |
| Post town | East London |
| Postcode | E20 1JN |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI4 Inner London - East |
| ITL 3 | TLI41 Hackney and Newham |
| Local authority | Newham |
| Electoral ward | Stratford Olympic Park |
| Westminster constituency | Stratford and Bow |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | MITSUBISHI ELECTRIC EUROPE |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50220000 - Repair, maintenance and associated services related to railways and other equipment

## Release History

- 1 Apr 2026 at 06:59 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/030070-2026
- 19 Nov 2025 at 11:43 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/075155-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/030070-2026
  1st April 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/075155-2025
  19th November 2025 - Transparency notice on Find a Tender

## Notice URLs

- https://les.mitsubishielectric.co.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-05e436. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05e436.json.