Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)

Transport for London
London
Direct award
1 April 2026 to 31 March 2027

This contract extension covers early contractor involvement for the Central Line Signalling Incremental Upgrade Project, specifically focusing on the Wayside East section. The work involves a proof of concept phase to support signalling system improvements and infrastructure integration, requiring technical expertise in rail signalling and project planning.

Open the official notice

Awarded value: £1.7m; As published
Published: 23 January 2026
Awarded: 23 January 2026; Siemens Mobility Ltd
Contract length: 12 months; Ends 31 March 2027

What the contract covers

Variation to an early contractor involvement contract

Provision of early contractor involvement and technical consultancy services for railway signalling system upgrades and infrastructure modernisation projects.

Early Contractor Involvement contract services for the Central Line Signalling Incremental Upgrade Project, Eastern section of the Central Line, known as Wayside East

Terms and requirements

Contract type: Variation to an early contractor involvement contract
Procedure: Direct award
Initial term: 12 months
Contract dates: 1 April 2026 to 31 March 2027
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Not stated
CPV codes: 45234115

Services in this contract

Rail electrification and signallingMain service£512k typicalEarly contractor involvement for Central Line signalling upgrade, Wayside East

Lifecycle

Published
23 January 2026
Contract awardedto Siemens Mobility Ltd
23 January 2026
Contract starts
1 April 2026
Contract ends
31 March 2027

The buyer

Transport for London

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Railway signalling contracts, 24 months: Locked

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The supplier

Siemens Mobility Ltd

Contracts won, 24 months: Locked
Value won, 24 months: Locked
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Main buyers

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Cite this contract

Link: https://bidskim.com/tender/345163/central-line-signalling-incremental-upgrade-early-contractor-involvement-variati
Buyer reference: Not published
Open contracting ID: ocds-h6vhtk-060d7b
Last checked: 5 November 2026

Transport for London. Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept). Contract award, 23 January 2026. BidSkim, https://bidskim.com/tender/345163/central-line-signalling-incremental-upgrade-early-contractor-involvement-variati (accessed 5 November 2026).