Named Antilia , it is estimated to be the world's most expensive private residence. The high-end, 27-storey mansion is located in South Mumbai's Altamount Road, and reportedly costs an estimated $1-2 billion. Learn about Mukesh Ambani’s house , Antilia , the 27-storey marvel in Mumbai, and explore its lavish interiors and amenities. Antilia is an architectural marvel that redefines luxury living, boasting an impressive 400,000 square feet of space. This 27-story skyscraper, completed in 2010 and occupied by Mukesh Ambani's family since 2012, features world-class amenities that rival those of five-star hotels. Among its highlights are three helipads, a 50-seat theatre, a spa, and a snow room that provides a unique escape from Mumbai's heat. The residence is designed to accommodate the family's needs while ensuring ... Are you intrigued by Mukesh Ambani's iconic 27-story mansion, Antilia , in Mumbai? Learn about its features, cost, living room and ammenities.