JW Marriott Grosvenor House London

JW Marriott Grosvenor House London sits in Mayfair, offering 22 event spaces and a maximum capacity of 2,000 - a scale that suits everything from intimate gatherings to large-format occasions. The Great Room spans 3,147 m² and accommodates up to 2,000 guests, while the Court Suite provides a more contained setting at 171 m² for up to 190. On-site facilities include AV equipment, flatscreen display screens, high-speed internet, air conditioning, natural light, and breakout rooms. Layered lighting and balanced composition give the spaces a considered atmosphere that holds up well under event conditions. The 496 guest rooms mean overnight programmes can be arranged without looking further afield. Getting here is straightforward: Marble Arch Underground Station is an eight-minute walk, Hyde Park Corner is thirteen minutes on foot, and London City Airport is reachable in around 44 minutes by car. Hyde Park is a 13-minute walk away, and Buckingham Palace is approximately four minutes by car.