What is the most expensive home in the world?

The most expensive home in the world is set to go on the market this month in London, England. The mansion, named ‘Walkering Gate,’ is a stately property located in 8 acres of private gardens in Wigmore Lane. The seven-level, 43,000-square-foot house has 12 bedrooms and 21 bathrooms. It also comes with a gym and state-of-the-art sauna.The asking price for Walkering Gate? A whopping $275 million (?199 million).The mansion was built in 1988 by Russian billionaire Vladlen Kuzmin. It’s never been lived in thanks to a buyout last year. It has three floors of staff quarters and seven floors of public rooms. There’s also a basement wine cellar and a ruinous chapel that was once used as a ballroom but is currently being refurbished into meeting rooms.