When trains are no longer required to run on the Northern line, they may be stabled on the sidings to the east of the station.

The section of the High Barnet branch north of East Finchley was incorporated into the London Underground network through the "Northern Heights" project begun in the late 1930s.

[9] British Railways (the successor to the LNER) freight trains continued to serve the station's goods yard until 1 October 1962, when it was closed.

[7] The station still retains much of its original Victorian architectural character today, with numerous platform buildings dating from the pre-London Transport era.

In 2008, a new train crew accommodation block was constructed immediately to the south west of the station on part of the car park.