The heritage-listed station precinct includes the Platform 1 building (1925), the Platform 2/3 building (1908), the Platform 4/5 building (1884), the overhead booking office (1922), the footbridge (1920), the platforms and the Signal Box (1923). Rockdale Railway Station is located between Railway Street on the west and Geeves Avenue on the east and is accessed from both streets via a footbridge,
stairs and modern lifts. The station has three island platforms. Along both Railway Street and Geeves Avenue adjacent to the station are extensive bus shelters. Adjacent and to the south of the western entry to the station (off Railway Street) is a distinctive 2-storey brick Inter-War Functionalist style retail building. ;Platform 1 Building (1925) A small brick platform building with an unpainted brick wall on the main west elevation, and painted
brickwork on the other elevations. The building is built to the platform edge on the east side. The building has a gabled corrugated steel roof, with
gable ends to north and south, and a cantilevered
awning on the west side only. The awning is on steel
brackets mounted on stucco brackets and features timber valences at each end. The building features rectangular timber
louvred vents to the gable ends. There are three timber framed double hung windows covered over on the east elevation. The building's west elevation features stucco mouldings, and timber double doors with glazed upper panels. An old telephone is mounted on the west elevation, below the awning. ;Platform 2/3 Building (1908) The island platform building is a painted brick building with a gabled corrugated steel roof, with gable ends at north and south ends. There are no extant
chimneys. The building has cantilevered
awnings on east and west sides mounted on steel brackets in turn mounted on stucco wall brackets. The building has timber framed double hung windows with 16-pane top
sashes with multicoloured glazing and timber 4 panel doors. There are moulded stucco sills to windows. The awnings have timber valances at north and south ends. There is one 8-paned
fanlight above a timber 4 panel door which appears original. The interior features timber tongue and grooved, and later gyprock ceilings, and a
chimney breast to one room. ;Platform 4/5 Building (1884) The island Platform 4/5 building has painted brick walls. The building has a complex gabled corrugated steel clad roof form with two central
gables, gables at north and south ends, and pairs of
gablets near the north and south ends. There are no extant chimneys. The building features arched openings; one pair of original timber panelled double doors; narrow, tall, timber framed double hung windows and timber 4-panel doors with most fanlights covered over. The building features painted
sandstone sills to windows. Both east and west sides of the building have
skillion corrugated steel roofed awnings on cast iron posts with cast iron
friezes and brackets. ;Detached Building on Platform 4/5 At the northern end of the platform is a separate small painted brick detached wing with a gabled roof (with the roof ridge in a transverse direction to the main roof ridge of the platform building), with gable ends to east and west. The roof is corrugated steel. The building features timber framed double hung windows. There is a modern awning structure wrapping around the north and west sides of the building. The asphalt platform surface is raised from the original height and partially covers some building vents. There are modern steel security screens to windows and doors. The Station Managers' office in the Platform 4/5 building (which appears to be converted from a waiting room) has an original fanlight with two vertical glazing bars, an original plaster ceiling with plaster
ceiling rose, and an original chimney breast (though no fireplace). ;Overhead Booking Office (1922) A
weatherboard building with a
hipped corrugated steel roof with a large gable facing Platform 2/3 to the north. The building features, timber framed double hung windows with 9 paned top sashes featuring multicoloured glazing. A modern awning cuts across the top of the top sashes of the windows on the north side of the building. ;Footbridge (1920) Steel, two sets of taper-haunched girders, one set for street access, the other for platform interchange. The footbridge is located towards the southern end of the platforms. The steel footbridge structure, steps, step railings and posts with star pattern detail, are original, manufactured by Dorman Long & Co., however modern railings have been added to the footbridge. The footbridge supports the weatherboard overhead booking office (1920), and modern corrugated steel clad entry buildings and lifts have been constructed at east and west ends. ;Platforms (1884-1925) Three island platforms, all with asphalt surfaces and brick faces. Platform 1 abuts the rail tracks on the east side, and has white powder coated aluminium fencing preventing access on the east side. ;Platform Canopies (2005) Various modern platform canopies with steel posts with concrete bases and green corrugated Colorbond gabled roofs. Platform 2/3: A platform canopy structure leads from the platform entry stairs at the southern end of the platform to the platform building. There is also a platform canopy north of the platform building. Platform 4/5: A platform canopy leads from the platform entry stairs at the southern end to the main platform building. There is also a platform canopy wrapping around the north and west sides of the separate small building at the northern end of the platform. ;Signal Box (1923) Two storey signal box with brick ground floor and fibro walls to 1st floor, hipped corrugated steel roof. Windows are timber-framed. Two metal stairs give access to a deck along the west elevation. ;Landscape/Natural Features Shrub and tree plantings at northern end of platforms. ;Moveable Items Old telephone attached to west wall of Platform 1 building.
Condition The buildings on platforms 1, 2/3 and 4/5, the overhead booking office, the platforms and the 1920 footbridge have been reported to be in good condition, while the signal box is in moderate condition. The platform buildings are relatively intact externally. Original internal features are extant to Platform 2/3 and 4/5 buildings. The overhead booking office is one of the more intact such structures on the Illawarra line. == Heritage listing ==