London Underground L Stock London Underground L Stock London Underground L Stock was a clerestory-roofed rail stock built for the District line in 1932 and subsequently absorbed into the London Underground Q Stock, being redesignated Q31 Stock. The L Stock trains were built to provide additional rolling stock for the eastward extension of the District Line from Barking to Upminster. Two new electrified tracks were added parallel to the existing steam-operated LMS lines, including several new stations such as Upminster Bridge. Forty-five cars were built by the Union Construction Company, eight were driving motor cars and the rest were trailers. The eight motor cars,
Upminster (UK Parliament constituency) Hilldene, and Upminster. 1983-1997: The London Borough of Havering wards of Ardleigh Green, Cranham East, Cranham West, Emerson Park, Gooshays, Harold Wood, Heaton, Hilldene, and Upminster. 1997-2010: The London Borough of Havering wards of Cranham East, Cranham West, Emerson Park, Gooshays, Harold Wood, Heaton, Hilldene, and Upminster. Upminster was the easternmost constituency of the London Borough of Havering, and of Greater London. The constituency was oddly shaped and covered both the wealthiest and the poorest parts of the borough while being London's least ethnically diverse constituency. The constituency included the Upminster suburb of Cranham. The boundary to the north extended