AwardedAwarded 11 June 2026

Infrastructure Improvement Framework

Transport for London · Public undertaking

In brief

Transport for London awarded construction and architecture and engineering work to Amey Rail Limited, Costain Ltd and Dragados Sociedad Anonima on 11 June 2026.

Built from the notice's own fields. Always check the official notice before you bid.

What the notice says

This notice confirms the contract details of TfL's Infrastructure Improvement Framework for the delivery of multi-disciplinary infrastructure and construction projects including early contractor involvement, design and construction and build works. The framework will adopt an early contractor involvement and multi-stage contracting model enabling collaborative working with the framework contractors from early stage development of projects through design and into construction and completion. TfL has appointed three contractors to the framework and the framework contractors will be engaged through call-off contracts for project delivery. Projects will be allocated to framework contractors on…Read the full description
This notice confirms the contract details of TfL's Infrastructure Improvement Framework for the delivery of multi-disciplinary infrastructure and construction projects including early contractor involvement, design and construction and build works. The framework will adopt an early contractor involvement and multi-stage contracting model enabling collaborative working with the framework contractors from early stage development of projects through design and into construction and completion. TfL has appointed three contractors to the framework and the framework contractors will be engaged through call-off contracts for project delivery. Projects will be allocated to framework contractors on a direct allocation basis, such allocation being monitored and re-visited throughout. Framework contractors will be allocated a workbank of projects in line with the equitable allocation principles of the framework and TfL may subsequently award call-off contracts. TfL has also reserved the right to award call-off contracts following a mini-competition procedure. TfL anticipates delivering a number of projects through the Infrastructure Improvement Framework including Elephant & Castle Station Capacity Upgrade, South Kensington Station Capacity Upgrade, Trams Rolling Stock Replacement Power and Depot and Infrastructure Works and TfL's Step Free Access programme. Additional projects may be added to the pipeline for delivery through the framework, throughout its duration. It is estimated that the total value of projects to be awarded through the framework will be between £500m - £700m.

Who won

WinnerValueDates
Amey Rail Limited
Costain Ltd (SME)
Dragados Sociedad Anonima
6 bids received
£700,000,000
Awarded 22 April 2026
11 June 2026 to 2 July 2028
Amey Rail Limited
Costain Ltd (SME)
Dragados Sociedad Anonima
6 bids received
£700,000,000
Awarded 22 April 2026

Values as the award notice gives them, excluding VAT where stated.

Timeline

  1. Contract award notice · UK6, notice 043377-2026
  2. Contract award notice · UK6, notice 049365-2026
  3. Contract details notice · UK7, notice 062119-2026

About the buyer

Transport for LondonLast 12 months

Procurements

339

Awards

146

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From notice 043377-2026 on Find a Tender, first published 12 May 2026, last updated 2 July 2026. We last checked for changes on 28 September 2026.