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Tenfell
Closed tender
Published 15 May 2026

S-Stock Passenger Seat Upgrade

Transport for London · London

Key facts

Estimated value
£6,000,000
Contract ends
25 Mar 2030
Procedure
Competitive flexible procedure
Buyer type
Utilities & transport

Description

TfL are procuring the design, manufacture and supply of circa 61,140 seats for the 'S-Stock' trains. The S-Stock fleet of trains comprises of the following lines on London Underground: - Metropolitan Line; - District Line; - Hammersmith and City Line; and - Circle Line. This contract for an estimated duration of 3 years with an option to extend for up to 24 months. In total there is a nominal 193 trains consisting of two variants, 'S8' (59 trains circa 360 seats each) and 'S7' (133 trains circa 304 seats each).

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