Perched atop Marylebone Square, this exceptional penthouse offers a unique blend of heritage and contemporary luxury. Spanning 1,835 sq. ft., this three-bedroom, three-bathroom residence boasts an open-plan design with floor-to-ceiling windows and sliding glass doors, creating an airy and inviting ambiance. The centerpiece of the home is a stunning central atrium, replacing traditional hallways with a luminous indoor garden beneath a striking glass ceiling. Designed by Concord London and Simon Bowden Architects, this penthouse reflects the grandeur of a classic London mansion while embracing modern sophistication. Residents can enjoy 24-hour concierge service, world-class shopping, fine dining, and access to beautiful green spaces, all located in the vibrant heart of Marylebone. With excellent transport links and prestigious schools nearby, this is an extraordinary opportunity to own a piece of London's architectural heritage in one of its most sought-after neighborhoods.