Argyle House, Newcastle Argyle House, Newcastle Argyle House is a heritage-listed former office building and now nightclub at Argyle Street, Newcastle, City of Newcastle, New South Wales, Australia. It was built from 1860. It was also known as the Australian Agricultural Company Headquarters. It was added to the New South Wales State Heritage Register on 2 April 1999. This complex of buildings has grown over about 125 years. The original building is believed to date from the 1860s. A second building, joined by a covered way, was designed by Frederick Menkens and built 1903. Additions to this second building were designed by Frederick
City of Newcastle Stephens Council merger. At the 2011 census, there were people in the City of Newcastle local government area, of these 49.2 per cent were male and 50.8 per cent were female. Aboriginal and Torres Strait Islander people made up 2.6 per cent of the population, which was marginally higher than the national and state averages of 2.5 per cent. The median age of people in the City of Newcastle was 37 years, equal to the national median. Children aged 0 – 14 years made up 17.0 per cent of the population and people aged 65 years and over made up