
Great Room
Price on requestWe provide the Great Room as our largest and most prestigious event space, with a long history of hosting major celebrations, awards, conferences and formal dinners.
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JW Marriott Grosvenor House London provides a collection of large-scale and intimate event spaces on Park Lane, overlooking Hyde Park in the heart of Mayfair. Our venue combines historic character with modern meeting facilities, offering settings for conferences, weddings, award ceremonies, gala dinners, corporate meetings, receptions and private celebrations. Our Great Room is our largest event space, accommodating up to 2,000 guests for a banquet or reception, while our Art Deco Ballroom provides another major setting for celebrations and formal events. Beyond these large rooms, our 86 Park Lane function suites provide a wide range of smaller spaces for meetings, conferences, breakout sessions and private occasions. We provide professional AV equipment, wireless internet, staging, lighting, videoconferencing and dedicated event support. Our culinary team provides catering for meetings and events, while our wedding planners can assist with the organisation of ceremonies and receptions. With 496 bedrooms and suites, restaurants, lounges, a fitness suite and guest services, we can also accommodate residential events and larger multi-day programmes.






We provide the Great Room as our largest and most prestigious event space, with a long history of hosting major celebrations, awards, conferences and formal dinners.

We provide our Art Deco Ballroom as a grand setting for receptions, conferences, weddings, dinners and celebrations, with an interconnected foyer for additional event space.

We provide the Audley Suite as one of our larger function suites, offering a flexible setting for conferences, receptions, dinners and corporate events.

We provide the Grosvenor Suite as a spacious function room suitable for conferences, receptions, dinners and other corporate or private events.

We provide Adams as an intimate meeting room suited to smaller conferences, discussions, presentations and private meetings.

We provide the Court Suite as a flexible event room for receptions, dinners, meetings and presentations.

We provide Aldford as a compact meeting room suitable for smaller conferences, presentations, receptions and private gatherings.

We provide Albemarle as a versatile function room with natural daylight, suitable for conferences, receptions, dinners and corporate gatherings.

We provide Apsley as an intimate meeting room for small conferences, discussions, presentations and private meetings.

We provide Barnato as a small flexible meeting space for presentations, discussions, receptions and private corporate gatherings.

We provide Burlington as a versatile function room for meetings, receptions, dinners and corporate events, with the option to connect it with Brook.

We provide Chesterfield as an intimate meeting room for small corporate gatherings, presentations and discussions.

We provide Somerset as an intimate function room for meetings, receptions, dinners and smaller corporate gatherings.

We provide Stratton as a flexible meeting room for conferences, presentations, receptions, dinners and corporate gatherings.

We provide Brook as a compact meeting room suitable for smaller corporate events, presentations, receptions and private meetings.

We provide Clarendon as a flexible meeting and event room suitable for presentations, receptions, dinners and corporate gatherings.

We provide Devonshire as a compact function room suitable for meetings, receptions, dinners and smaller corporate events.

We provide Dudley as an intimate meeting room for presentations, discussions and smaller corporate gatherings.

We provide Fitzroy as a flexible mid-sized room for conferences, receptions, dinners and presentations.

We provide Hampden as a compact meeting and event room suitable for smaller conferences, receptions and private functions.

We provide Harcourt as an intimate meeting room for small executive meetings, presentations and private gatherings.

We provide the North Suite as a flexible function room suitable for conferences, receptions, dinners, meetings and presentations.

We provide our Boardroom as an intimate setting specifically suited to executive meetings, discussions and smaller presentations.

We provide Bourdon as a flexible mid-sized meeting room for conferences, receptions, dinners and presentations.

We provide Spencer as a flexible suite with views over Park Lane and Hyde Park, suitable for receptions, meetings, dinners and private occasions.
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