west by the Boonah State School and to the south by mixed commercial and retail development. The precinct is defined by the double-storey Victorian-era Commercial Hotel on the opposite corner. Though the Boonah Post Office and Quarters were built in the late 1800s, the office exterior as now viewed from High Street results mostly from alterations completed around 1910-11 and 1924. The Park Street side, with its bungalow-styled quarters and projecting wing, still appears largely as constructed. This elevation consists of a symmetrical verandah for the quarters, set back from the street, with a near-pyramidal hipped timber-framed roof clad with corrugated galvanised iron. A smaller trailing kitchen wing containing the former kitchen, servants' room and pantry is set back from the front of the quarters, but is linked to it externally by a continuation of the verandah. This is juxtaposed on the eastern side of the bungalow with the post office block projecting forward, also with a hipped roof, and with a pair of tall double-paned windows. A non-original ramp extends across this section, with balustrade and vertical boarding underneath to match the original. The High Street side has an asymmetrical elevation beginning, for circulation purposes, with a corner porch in similar detailing to the quarters verandah. This joins the projecting bays on the Park and High street sides and was altered at an early date to accommodate private letter box bays; an original window in the east elevation has been infilled and polished timber paired double doors have been added. The 1910s post office public space is marked out with a gabled breakfront to High Street, the gable being drawn together with a plank screen suggesting half-timbering, and a label-shaped window head bearing the post office name. The window below is a five-sash casement design with windows subdivided in the free-style proportion. In addition the lower panes are each bisected with a horizontal and vertical glazing bar, an unusual detail. To the south of the projecting bay, the interwar-era telephone exchange wing is typical of Queensland post office buildings of the time, with hipped roof, casement sash windows and more austere detailing. The original post office now houses the post office public and counter areas with the 1920s public area and telephone exchange now converted to the mail room and staff room. The areas were probably refurbished in later years and again when Australia Post standardised its retail areas.