<P> Kirribilli House is the secondary official residence of the Prime Minister of Australia . Located in Sydney, New South Wales, the house is at the far eastern end of Kirribilli Avenue in the harbourside suburb of Kirribilli . It is one of two official Prime Ministerial residences, the primary official residence being The Lodge in Canberra, Australian Capital Territory . </P> <P> In 1854, merchant Adolphus Frederic Feez purchased a 1 - acre (0.40 ha) parcel of land at the tip of Kirribilli Point for £ 200 . (The land had been sliced off the grounds of adjacent Wotonga House, which now forms part of Admiralty House, but was then in private ownership .) Feez built the picturesque Gothic - style structure now known as Kirribilli House--a twin - gabled dwelling or cottage ornée--on the land's highest spot . The house features steeply pitched roofs, fretwork, bargeboards and bay windows . It passed through many private hands until it was purchased in 1919 for £ 10,000 by Arthur Wigram Allen . Allen planned to subdivide the land but after much public agitation the then Prime Minister of Australia, Billy Hughes, resumed the property for Government purposes in 1920 . </P>

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