Hillside, Sunnyside Hopsital, Former Hospital Building

Hillside, located at the former Sunnyside Hospital, is a disused hospital building designed by Sydney Mitchell and Wilson in 1888. This long, symmetrical structure features a former Free Jacobean style and consists of a single-storey corridor flanked by two-storey and attic pavilion wings with advanced Dutch gables to the south, along with a mix of two-storey and single-storey buildings to the rear, some of which were added later. The exterior is constructed from coursed, rock-faced sandstone with ashlar margins, including a base course, some cill courses, and a cornice. The building has raised margins and some moulded architraves, with bi- and tripartite window openings that include stone mullions and transoms. Wallhead dormers are present, featuring round-arched dormerheads, and there are polygonal metal ridge vents with louvred openings and finialled dome caps. The former open verandahs to the south are now boarded up as of 2012.

The principal elevation is symmetrical, showcasing a central single-storey and attic corridor with two advanced, two-storey and attic pavilions on either side, each with stepped Dutch gables and round-arched pediments at the apex. Canted bay windows are located at the ground level on the south, with a central rectangular window above that has a shaped round-arch pediment. There are recessed single-storey linking corridors leading to advanced two-storey pavilions at both ends, which have canted south elevations. The east and west elevations feature segmental-arched window openings at the ground level and full-height projecting end bays that are canted.

A dated extension from 1891 is located at the rear and includes a carved motto: "THE RICH AND POOR MEET TOGETHER, THE LORD IS MAKER OF THEM ALL."

The windows are predominantly boarded, and the roof is covered with grey slates. The building has coped wallheads, ridge, and gable stacks, some of which have red cans.

Inside, as seen in 2012, the original ward and room layout remains largely intact. There is good decorative detailing throughout, including timber panelling, six-panelled timber doors, and decorative timber features on the ceilings. Some doors are part-glazed and have round-arched moulded doorcases, while there are also decorative timber fire surrounds. The original open verandahs have been enclosed.