[3] A skillion roof and timber clad signal box constructed c. 1916 behind the Up end of the platform is no longer extant.
The central building features a hipped and valley slate roof, two tall brick chimneys with corbelled tops and round hoods, moulded and dentilated eaves, a corrugated iron ogee style veranda along the street side of the central building, and a wide corrugated metal platform awning supported on cast iron columns, exposed rafters and decorative brackets.
The building's vertically proportioned fenestration is original with cement rendered lintels resembling segmental stone arch appearance.
[3] Windsor station has a brick faced road side platform with concrete deck and asphalt finish.
White aluminium palisade fencing has been erected along the station street boundary and both ends of the platform.
It is an overgrown yard with patches of concrete and asphalt slabs and remnants of rail sidings and anchor points on the ground.
[3] Windsor railway station was listed on the New South Wales State Heritage Register on 2 April 1999 having satisfied the following criteria.
Although buildings other than the main station building have been removed the station together with the hand crane and brick faced platform of the goods yard are important in demonstrating the configuration, styles and elements that were used in the goods handling and transport in the farming district of the Hawkesbury at the time.
[3] The place is important in demonstrating aesthetic characteristics and/or a high degree of creative or technical achievement in New South Wales.
[3] The place has potential to yield information that will contribute to an understanding of the cultural or natural history of New South Wales.
[3] The place possesses uncommon, rare or endangered aspects of the cultural or natural history of New South Wales.
[3] The place is important in demonstrating the principal characteristics of a class of cultural or natural places/environments in New South Wales.
[3] This Wikipedia article contains material from Windsor Railway Station Group and Former Goods Yard, entry number 1287 in the New South Wales State Heritage Register published by the State of New South Wales (Department of Planning and Environment) 2018 under CC-BY 4.0 licence, accessed on 11 October 2018.