20 Grosvenor Square is the world’s first standalone Four Seasons-branded residence, located in the prestigious heart of Mayfair, London. This ultra-prime development blends modern elegance with historic architecture, offering residents world-class living, five-star amenities, and a superior location. The building features 37 exclusive residences, with interiors exquisitely crafted by Finchatton. Residents benefit from the legendary service of the Four Seasons, making it one of the most refined and desirable addresses in the capital.