---
title: "Direct Expansion (DX) Units Replacement Framework"
ocid: "ocds-h6vhtk-051a99"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-051a99"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-051a99.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-051a99.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "TRANSPORT FOR LONDON"
published: "2025-05-21"
---

# Direct Expansion (DX) Units Replacement Framework

Buyer: TRANSPORT FOR LONDON  
Current stage: Planning  
OCID: ocds-h6vhtk-051a99

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-051a99)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-051a99.json)

## Summary

Transport for London has initiated a procurement process titled "Direct Expansion (DX) Units Replacement Framework," focused on the replacement of DX units for the London Underground. This procurement falls under the construction work industry category and is currently in the planning stage. The relevant buyer is the public authority known as Transport for London, located at 5 Endeavour Square, London. Key dates include a future notice to be published by 18th October 2025, with the contract period planned from 13th April 2026 to 12th April 2036.

This tender provides significant growth opportunities for businesses involved in construction works, particularly those experienced in infrastructure and framework agreements. Companies capable of providing efficient and reliable replacement solutions for transport systems will find this tender particularly suitable. Transport for London’s purchase under this framework can enable established construction firms to enhance their portfolio and secure long-term engagement in public sector projects. Moreover, the scale and duration of the framework suggest substantial business growth prospects for successful bidders.

## Notice

London Underground Direct Expansion (DX) Units Replacement Framework

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/023855-2025 |
| Notice type | UK1 - Pipeline Notice |
| Procurement type | Framework |
| 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 | 21 May 2025 |
| Submission deadline | Not specified |
| Future notice date | 18 Oct 2025 |
| Award date | Not specified |
| Contract period | 12 Apr 2026 - 12 Apr 2036 |
| 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

- 21 May 2025 at 12:14 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/023855-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/023855-2025
  21st May 2025 - 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-051a99. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-051a99.json.