London Marriott Hotel Grosvenor Square Meeting Rooms & Events Meeting Capacity: 10 meeting rooms holding 2,443 peopleMeeting Space: 16,297 sq ftLargest Meeting Room Capacity: 1,000 people London Marriott Hotel Grosvenor Square Business Services A-V EquipmentBusiness CenterCopier FaxMeeting FacilitiesAdministrative ServicesMeeting Room Internet Access (High Speed & Wireless) (additional fee) Westminster Ballroom Meeting RoomLocation: Floor 1Flooring: carpetPortable Walls Available: NoSize: 8,213 sq mDimensions: 116.5x70.5x12.8 mCapacities:Theater: 900Classroom: 384Reception: 1,000Banquet: 580U-Shape: 140Chester/Eaton Meeting RoomLocation: Floor 1Flooring: carpetPortable Walls Available: NoSize: 4,930 sq mDimensions: 69.9x70.5x12.8 mCapacities:Theater: 390Classroom: 216Reception: 450Banquet: 250U-Shape: 80Belgrave Room Meeting RoomLocation: Floor 1Flooring: carpetPortable Walls Available: NoSize: 3,236 sq mDimensions: 45.9x70.5x12.8 mCapacities:Theater: 300Classroom: 120Reception: 250Banquet: 140U-Shape: 70Mayfair Suite Meeting RoomLocation: Floor 1Flooring: carpetPortable Walls Available: NoSize: 2,216 sq mDimensions: 95.1x23.3x6.6 mCapacities:Theater: 140Classroom: 80Reception: 170Banquet: 120U-Shape: 70 Grosvenor SquareLondon, England W1K 6JPView Large Map Phone: +44 20-7493-1232Fax: +44 20-7491-3201Toll Free: +800-221222 Hotel Website Classification 7 Superior First Class Commission Rooms Rates 10% 237 $482-$803 (USD) Hoteliers! Is your information accurate? Update Here