article: An ultra luxury penthouse standing 319 metres off the ground in the tallest apartment block in the southern hemisphere has been bought off the plan by a Chinese businessman for a record price of $25 million. The Melbourne apartment, which is spread across the entire 100th floor of super skyscraper Australia 108 and boast 360 degrees over the city, is the most expensive single apartment sold in the country, Domain reports. The businessman who splashed out on the 750 square metre apartment on Southbank promenade plans to live in the luxury pad when it is completed. It is tipped to have at least four bedrooms with huge walk in robes and ensuites. Scroll down for video . A Melbourne penthouse apartment in the Australia 108 complex that boasts 360 degree views of the city has been sold for $25 million to a Chinese businessman . The Melbourne apartment, which is spread across the entire 100th floor of skyscraper Australia 108, is the most expensive single apartment sold in the country . The new owner, whose identity was not disclosed, will have 360 degree views over Melbourne's CBD, their own private grand foyer and glass elevator. The penthouse apartment was sold two months after being advertised as double the size of the average Australian home and boasting views that could never be built out. Construction has started on the building, which was designed by Fender Katsalidis Architects, and is due to be completed by 2019. Australia 108 will contain 1,105 luxury apartments, as well as retail tenancies, a multi-level carpark and communal facilities for residents including pools, gym, sauna, steam room and private theatre. More than 1,000 apartments have sold off the plan since Australia 108 went on the market in February. The 750 square metre apartment on Southbank promenade will have 360 degree views over Melbourne's CBD, a private grand foyer and glass elevator . The apartment block has three infinity pools set against floor-to-ceiling glass to give swimmers a view of either the glittering city skyline or shimmering bay . Australia 108 will contain 1,105 luxury apartments, as well as retail tenancies, a multi-level carpark and communal facilities for residents including a pool, gym, sauna, steam room and private theatre . Australia 108 will contain 1,105 luxury apartments, as well as retail tenancies, a multi-level carpark and communal facilities for residents including pools, gym, sauna, steam room and private theatre . CBRE managing director of residential projects Andrew Leoncelli told Domain there was high interest in the penthouse apartment and three local buyers had expressed interest. 'The extraordinary sale of the Australia 108 penthouse sets a new benchmark for pricing, breaking all records ever set in Australia. It is by far the most opulent, landmark and exciting trophy apartment ever brought to market,' he said. There are two types of apartments for sale at the super skyscraper complex, including 161 of the Cloud Residences. These sit above the gold 'starburst' at levels 70 and 71, which house luxury services accessible to residents. Beneath the 'starburst' are 944 Skyrise Residences. The apartment block has three infinity pools set against floor-to-ceiling glass to give swimmers a view of either the glittering city skyline or shimmering bay. 'There will be not a more spectacular place to take a dip than in Australia 108,' CBRE residential projects managing director Andrew Leoncelli said. 'Not for the faint of heart, these pools offer breathtaking views 210 metres above ground.' At 319 metres high, Australia 108 will be the highest residential tower in the southern hemisphere - it beats the neighbouring Eureka tower by 22 metres. While the Q1 Gold Coast building beats Australia 108 because of a spire that reaches 323 metres,  the Melbourne building will have the tallest roof line. Australia 108 will have three pools and a gym, sauna and steam room located in this area of the building known as the 'starburst' Construction has started on the building, which was designed by Fender Katsalidis Architects, and is due to be completed by 2019 . At 319 metres high, Australia 108 will be the highest residential tower in the southern hemisphere - it beats the neighbouring Eureka tower by 22 metres . CBRE managing director of residential projects Andrew Leoncelli told Domain there was high interest in the penthouse apartment and three local buyers had expressed interest . While the Q1 Gold Coast building beats Australia 108 because of a spire that reaches 323 metres, the Melbourne building will have the tallest roof line .
highlights: Melbourne penthouse apartment was sold to Chinese businessman for $25 million .
  Penthouse is in Australia 108 development at Melbourne's Southbank .
  The 750 square metre apartment is spread across entire 100th floor of super skyscraper .
  The building will be 319 metres tall - the highest in the southern hemisphere .
  Construction has started on the building and is due to be complete in 2019 .
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