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Trains

Asked by Mr Richard HoldenConservativeDepartment for TransportTabled Answered 20 April 2026UIN 125225

The question

To ask the Secretary of State for Transport, when the decision was first taken to withdraw Class 455 units from the South Western Railway network; and how many such units were withdrawn in each month from the date that decision was taken until the final unit was removed from passenger service.

Answered by Keir Mather

As part of the 2017 South Western refranchising competition, First MTR announced on 20 June 2017 that it would procure a new fleet of Aventra trains to operate on the Waterloo suburban routes over which Class 455 units operated. The Class 455 units were originally intended to be returned to their owner by December 2020, however delays to the introduction of the replacement units under SWR’s previous ownership meant that withdrawals commenced later than planned with the first Class 455 being returned in May 2022 and the final unit being returned in March 2026. In the intervening period, units were returned progressively to their owner on a flexible basis as new Class 701 units were introduced.

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