Events

Start Planning Your Meetings or Events Here

Tell us about your event, then we'll contact you and plan it together

11

Event Rooms

16297 SQ FT

Total Event Space

900

Capacity Largest Space

12

Breakout Rooms
Elevate your next event!
Whether you’re planning a large event or a small team get-together, London Marriot Grosvenor Square has the ultimate space for you! Contact us at grosvenorsquare.events@marriotthotels.co.uk
ballroom set up with rows of chairs

Meeting and Events

Host events of any size in the heart of Mayfair, from board meetings to conferences.

Host events of any size in the heart of Mayfair, from board meetings to conferences.
Seat 1,000 conference attendees in our elegantly designed Westminster Ballroom here in Mayfair
Take a look at our prestigious Westminster Ballroom, Whitehall Suite & Mayfair Suite here Learn More
Hire our event venues in Mayfair to benefit from high-speed Wi-Fi access and audiovisual services
Accentuate your event in Mayfair with a delicious meal, courtesy of our excellent catering staff
Celebrate your big day with us
Relax in the tranquility of your complimentary Bridal Suite at the hotel after a full day of festivities!
Learn More
round tables with chairs, wreaths, and flowers

Weddings and Occasions

Plan your perfect day in our classic Westminster Ballroom with onsite accommodations.

Say 'I do' in our elegant Westminster Ballroom, one of the largest pillarless venue halls in London
As a licensed civil ceremony venue we can host your full Big Day celebrations.
Choose from one of our signature wedding packages with a dedicated Event Manager.
Celebrate any special occasion from intimate dinners to large parties.
Dry Hire packages with an approved external caterer available for all social events.
private dining austin
Rewarding Travel from start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.

MANAGE YOUR EVENT WITH EASE

Manage event details, make real-time requests and connect with our staff - from the palm of your hand.

Please note: all room sizes are approximate.

Frequently Asked Questions