From an article called “Houses That Go With The Job”.

Mitcham Junction is architecturally more conventional, with the Stationmaster’s house forming the block lying parallel with the down-line. A canopy with a wavy instead of the more usual jagged edge projects below the level of the upstairs windows, out over the platform.

Source: The Sphere – Saturday 28 January 1956 from the British Newspaper Archive (subscription required)