Listed for £12.75M. Starting Bids Expected Between £4.75M-£7.5M. This extraordinary property combines the grandeur of a Mayfair mansion with the intimacy of a Belgravia townhouse. 7 Chester Street is an architectural masterpiece featuring four bedrooms, four bathrooms, and spanning 370 square meters over five floors. Crafted by renowned builder Thomas Cubitt, famed for his work on Buckingham Palace's East Wing, this late-Georgian gem showcases soaring double-height ceilings and dual-aspect drawing rooms, perfect for grand entertaining. The ground floor's expansive drawing room and the first floor's formal reception and dining areas open onto a charming terrace, blending indoor and outdoor living. The lower ground floor features a gourmet eat-in kitchen and a casual sitting room, giving onto a verdant patio, complemented by an ensuite bedroom ideal for staff accommodation. Each of the three upper-level ensuite bedrooms offers unparalleled privacy, with the palatial principal suite boasting a walk-in wardrobe and a luxurious bathroom. Situated on a serene, security-patrolled street adjacent to Buckingham Palace's gardens, this residence offers unparalleled access to London's finest parks, dining, and cultural landmarks, epitomizing sophisticated city living.