Available in December 2025, 66 Grosvenor Street offers three floors of dedicated office space in the heart of Mayfair. Spread across three fully managed floors with over 1,300 sq ft per floor, circa 20 workspaces, private meeting rooms, client and employee breakout spaces, and tea points. This design-led contemporary workspace comes with a concierge reception to greet your clients and deal with your companys ancillary needs.