 For a brief period, they were subleased to Gatwick Express, but were never used on Gatwick Express Services.In 2013, former operator South West Trains and Porterbrook began the process of creating a new, 36-strong fleet of 5-car trains by reforming and partially rebuilding the vehicles from the Class 458 and Class 460 fleets; by creating 30 units utilising the original Class 458/0 vehicles, with an extra ex-Class 460 vehicle per unit to create 5-car units, and an additional 6 new 5-car units created entirely from ex-Class 460 stock.The new units have been renumbered as the Class 458/5.