The Most Expensive House In The World 2016. Singapore-based Wealth-X, which tracks the world's richest persons, has come out with a list of the world's top ten billionaire skyscraper homes. India's richest billionaire Mukesh Ambani's 27-storey skyscraper residence in Mumbai has often been dubbed as the world's costliest property at over $1 billion. Mr Ambani's home, called ‘Antilia', is huge at 400,000-square feet,...
