Fairfield is a ground level host station, featuring two side platforms.

[4] Fairfield Industrial Dog Object (FIDO), a 6-metre-tall wooden sculpture of a dog, is located adjacent to the level crossing, at the eastern end of Platform 2.

[5][6] The estate is believed to have been named after Fairfield in Derbyshire, England.

[7] From 1891 to 1893, Fairfield was the junction for the northern end of the former Outer Circle line,[8] and was later the junction for the APM Siding, which operated from 1919 to the 1990s and served the nearby Australian Paper Manufacturers paper mill.

[13] Fairfield has two side platforms, and is served by Hurstbridge line trains.