This stunning 'Key' house in Belgravia's prestigious Chester Square boasts approximately 8,721 square feet of luxurious living space. The property's classic layout features a kitchen, dining room, and formal reception room on the ground floor, with three further bedroom suites, two staff bedrooms, and a bathroom on the upper floors. The lower floors are dedicated to a gym, treatment room, swimming pool, and jacuzzi, and the top floor can be converted into a two-bedroom suite. The house also features a rare lift, air conditioning throughout, and 1,024 square feet of terracing, including a lovely South-facing roof garden with a summer house and dumb waiter from the kitchen below. With a private and secure garage for two cars, this exceptional property is located in one of London's most sought-after addresses, with easy access to Sloane Square, Sloane Street, Knightsbridge, and three Royal Parks.