Built for the Victoria line. Due weird shenanigans with the public-private partnership that was in control when these trains were ordered there is actually more of them than intended, which helps greatly the Victoria Line's intense frequencies.
London Underground 1992 Stock
Manufacturer: BREL (1991-1992), ABB (1992-1994)
Model: n/a
Built for the Central and Waterloo and City lines. They are the product of the "1986 Stock" red, blue and green prototype trains.
Class 442 "Wessex Electrics"
Manufacturer: BREL (1987-1989)
Model: n/a (Mark 3 Derived)
Built for the South West Mainline services between London and Weymouth. Later served on the Gatwick Express and briefly returned to the south west before being scrapped in 2021. Hold the world record for the fastest third rail train at 109mph.
Class 378 "Capitalstar"
Manufacturer: Bombardier (2008-2011, 2015)
Model: Electrostar
Built for the then newly formed London Overground. Built as 3 and 4 car units and were all later extended to 5 cars. Serves the Lioness, Mildmay and Windrush lines, though also briefly served the Suffragette line.