---
title: "Direct Expansion (DX) Units Replacement Non-section 12 Jubilee, Northern, Piccadilly (Tranche 2)"
ocid: "ocds-h6vhtk-069969"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-069969"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-069969.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-069969.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "TRANSPORT FOR LONDON"
published: "2026-05-14"
---

# Direct Expansion (DX) Units Replacement Non-section 12 Jubilee, Northern, Piccadilly (Tranche 2)

Buyer: TRANSPORT FOR LONDON  
Current stage: Planning  
OCID: ocds-h6vhtk-069969

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-069969)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-069969.json)

## Summary

The procurement process initiated by Transport for London (TfL) involves the replacement of Direct Expansion (DX) Units for the Jubilee, Northern, and Piccadilly lines, known as Tranche 2. Classified under the works category, this project includes replacing 900 life-expired DX systems with compliant new systems that adhere to current legislation and TfL/London Underground standards. The planning stage of this tender was made public on 14th May 2026. Located in London, the contract period is scheduled to run from 30th November 2027 to 29th November 2030, with further notices anticipated by 9th August 2027. The legal basis for the procurement is outlined in the UKPGA 2023/54.

This tender creates substantial opportunities for businesses in the construction sector, especially those specialising in HVAC and related construction work, given the complex nature of replacing HVAC systems in urban public transport settings. Companies experienced in large-scale infrastructure projects and compliant with stringent UK regulations would be well-positioned to compete. With the planned long-term contract, businesses stand to secure a lucrative and stable project enhancing their portfolio and reputation in public infrastructure improvements.

## Notice

Direct Expansion (DX) Units Replacement - Non-section 12 Jubilee, Northern & Piccadilly lines (Tranche 2). This will be 900 Units. The DX replacement project will undertake the replacement of existing life expired DX systems with new systems that comply to current legislation and Transport for London/London Underground (TfL/LU) standards

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/044670-2026 |
| Notice type | UK1 - Pipeline Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 14 May 2026 |
| Submission deadline | Not specified |
| Future notice date | 9 Aug 2027 |
| Award date | Not specified |
| Contract period | 30 Nov 2027 - 29 Nov 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| 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 | 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 |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45000000 - Construction work

## Release History

- 14 May 2026 at 20:16 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/044670-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/044670-2026
  14th May 2026 - Pipeline notice on Find a Tender

## Notice URLs

- 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-069969. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-069969.json.