Upminster a number of windmills in Upminster and one of which, a smock mill built in 1803, remains. Local industry included a tannery, gravel extraction and a brick works that was connected to the railway station by a tramway in 1895. The London, Tilbury and Southend Railway from Fenchurch Street was extended from Barking to Upminster in 1885. The underground Whitechapel and Bow Railway opened in 1902 and allowed through services of the District Railway to operate to Upminster. The District converted to electric trains in 1905 and services were cut back to East Ham. Delayed by World War I, electrified
Romford–Upminster line the refurbishment work was transferred to Wakefield in Yorkshire and the transfer was done by road. The point-work which was half installed is still visible from the eastern end of platform five at Upminster. The line is entirely within Travelcard Zone 6. Services are currently operated by London Overground, which replaced the previous operator, Abellio Greater Anglia, in May 2015. Trains are typically formed by a Class 315 or Class 317. As of December 2015, the service pattern on the route is one train every 30 minutes between approximately 6:15 am and 10 pm Mondays to Saturdays, and approximately 8:30