He is known as the ‘accidental billionaire’ who co-founded his company in an extremely modest apartment above a sex shop at the age of 22, but Mike Cannon-Brookes has proved just how far he has come by splashing out on a sought-after property in Sydney’s east. The 35-year-old IT entrepreneur is Australia’s equal richest self-made billionaire under 40 – although he shares the title with his business partner Scott Farquhar after they established software company Atlassian 12 years ago. They are now joint CEOs and equal partners to the company, which is worth a reported $3.5 billion. Cannon-Brookes, now a married father, is reportedly the mystery buyer who spent $12 million to make a stunning 1918 Centennial Park mansion their home, according to Domain. Scroll down for video . Mike Cannon-Brookes will have the option of working in the incredible library, which also doubles as a home office. The room has stunning wall to ceiling shelves on all four walls, as well as a beautiful window above the work bench. Of course, there is also an elaborate chandelier . Upon entering the home the visitor is greeted with incredible high ceiling, wide hallways and decorative archways. Attention to detail is intricate with chandeliers, polished floorboards and heritage woodwork etchings . The climate controlled wine cellar with wall-to-wall wine racks and an abundance of shelving is a dream for any wine connoisseur . Despite his incredible success, the brilliant entrepreneur is incredibly down-to-earth, dedicated to hard work and is still renowned for always wearing his trademark fashion item - a cap . He will share the home with his wife, Annie Todd, the designer behind fashion label House of Cannon. They have a young family together. On Thursday, Todd held her first ever runway show as part of Mercedes Benz’s Fashion Week Australia in Sydney. The incredible property, ‘Braelin’ on Lang Road in Sydney’s east was only listed for two weeks before it was removed from the McGrath Real Estate website. The property was originally designed by architect Donald Esplin for former lord mayor of Sydney Sir Allen Taylor. It still has many of the beautiful classic touches, although it has been renovated to include immaculate modern feature and, of course, top of the range IT gadgets. 35-year-old IT entrepreneur Mike Cannon-Brookes has lucrative property in Sydney’s east in a hush . ‘Braelin is an architecturally redesigned masterpiece displaying an effortless blend of original period details and luxurious contemporary inclusions,’ McGrath’s agent Ben Collier wrote on the listing. The kitchen has been constructed with stunning hermes marble and state-of-the-art appliances, with a contrast between the dark toned wood and sparkling white benches . The charming atrium courtyard overlooks the pool and is set in the pristine gardens - perfect for entertaining in the sunshine . The outdoor setting is perfect for alfresco dining, set away from the house in the peaceful garden setting and overlooking the pool . The immaculate five bedroom property is perfect a young, successful couple with a growing family who want the perfect balance of comfort, practicality and luxury. The property boasts a salt water pool and incredible manicured gardens – perfect for a little children to explore and to offer the family privacy in their perfect retreat. Entry to the house is through a beautiful winding footpath, lined by trees with stunning red blooms and lush yet perfectly manicured gardens. The stunning residence is just metres from 101 acre of parkland at Centennial Park, on the edge of the city and a short drive to Bondi Beach. The five-bedroom home also has its own self-contained unit. The home has a breathtaking long corridor with classic archway details and high ceilings. The kitchen has been constructed with stunning hermes marble and state-of-the-art appliances, with a contrast between the dark toned wood and sparkling white benches. The home is light and airy with absolute attention to detail. Wood is prominent throughout the home with a polished, warm feel . The rumpus room in the separate unit overlooks the pool and is completely self-contained - a fun, relaxing retreat . The charming atrium courtyard overlooks the pool and is set in the pristine gardens - perfect for entertaining in the sunshine. The meticulously decorated bedrooms are beautifully finished with polished floorboards, high ceilings and tasteful chandeliers. The masterbedroom is a stunning retreat with a luxurious walk in wardrobe which functions as a full dressing room. The ensuite has a striking purple feature wall, spacious shower lining the wall and a stand alone bathtub . The climate controlled wine cellar with wall-to-wall wine racks and an abundance of shelving is a dream for any wine connoisseur. Entry to the homeis through a winding footpath, lined by trees with stunning red blooms and lush yet perfectly manicured gardens . The masterbedroom is a stunning retreat with a luxurious walk in wardrobe which functions as a full dressing room . Cannon-Brookes grew up in the US, Taiwan, Hong Kong and England before finishing his schooling at Cranbrook in Sydney’s east - not far from his new home in the exclusive suburb of Centennial Park. He and his partner, Faquahar, are known as the accidental billionaires as they founded software company Atlassian 13 years ago with the aim of making the graduate starting salary of $48,000 without the inconvenience of an employer. Instead, they found considerably more success than first planned and became self-made billionaires by the age of 34. Cannon-Brookes grew up in the US, Taiwan, Hong Kong and England before finishing his schooling at Cranbrook in Sydney’s east . They debuted on the BRW’s Young Rich list of the richest Australians aged 40 and under in 2007. They debuted independently of each other on the Rich 200 list in 2013 with $250 million each. Despite his incredible success, the brilliant entrepreneur is incredibly down-to-earth, dedicated to hard work and is still renowned for always wearing his trademark fashion item - a cap. He and his partner, Faquahar, are known as the accidental billionaires as they founded software company Atlassian 13 years ago with the aim of making the graduate starting salary of $48,000 without the inconvenience of an employer . Despite his incredible success, the brilliant entrepreneur is incredibly down-to-earth, dedicated to hard work and is still renowned for always wearing his trademark fashion item - a cap . The 35-year-old IT entrepreneur is Australia’s equal richest self-made billionaire under 40 – although he shares the title with his business partner Scott Farquhar after they established software company Atlassian 12 years ago .
Mike Cannon-Brookes is the ‘accidental billionaire’ who co-founded a company with a net worth of around $3.5b .
The Aussie began the company in a modest apartment above a sex shop with his uni mate at the age of 22 .
Cannon-Brookes has now reportedly splashed out in a stunning Centennial Park property for $12 million .