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Works, services and supplies Framework covering Siemens Signals and Train Control systems

Transport for London · Public undertaking

In brief

Transport for London has announced plans to buy construction work. This is an early notice: there is nothing to bid on yet, but it tells you a tender may follow.

It is a framework worth up to £277,000,000 excluding VAT: the most the buyer expects to spend across all suppliers, not one contract.

The contract runs for 4 years, up to 8 years with extensions, starting 15 July 2026.

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

Can I win this?

Competition

Usually low: a median of 2 bids per contract for this buyer (from 47 awards in the last 12 months).

Framework

Winning puts you on a list of suppliers the buyer can call on; it does not guarantee work. The £277,000,000 is the most the buyer expects to spend across all suppliers over the framework's life, not one contract.

What the notice says

• TfL is proposing to set up a long term (4+4 year) framework agreement with Siemens Mobility for work on signalling, train control and communication systems already installed across parts of the network-mainly the Central and Victoria lines, the Elizabeth line, and the London Overground Windrush line. • The framework would cover future capital projects, renewals, maintenance, goods, and services related to Siemens systems, including those originally supplied by Invensys Rail and Westinghouse Rail. • Around 15 call off contracts are expected under the framework, including a dedicated agreement for technical support, services, and spare parts. This arrangement does not include any rolling stock replacement with Siemens. • Where full replacement of signalling or train control systems is required, TfL plans to run an open market competition under a separate procurement process.

How to bid

  1. Read the full notice on Find a Tender, including any tender documents it links to.
  2. Register your organisation on the Central Digital Platform (through Find a Tender) if you have not already. Suppliers need to be registered to take part in procurements under the Procurement Act 2023.
  3. Follow the submission instructions in the notice; it does not name an e-tendering portal.

Timeline

  1. Pipeline notice · UK1, notice 031151-2026

About the buyer

Transport for LondonLast 12 months

Procurements

377

Awards

153

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All tenders and awards from Transport for London

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From notice 031151-2026 on Find a Tender, first published 2 April 2026. We last checked for changes on 28 September 2026.