Our event spaces
Our historic building is home to classic spaces that are brimming with both character and modern, hybrid-capable technology. Located in central London and with fine dining prepared fresh on-site, these spaces are in a league of their own.
AIM gold-accredited venue
Sought after London indoor-outdoor space
Seamless connectivity and AV support
The Burdett Suite
Capacity: 120-280
With its own private entrance and courtyard, this self-contained space is truly private and perfect for any kind of event.
Orangery & Courtyard
Capacity: 80-280
A versatile venue that comprises the verdant courtyard and generous indoor space, this is a spectacular central London venue.
The Green House
Capacity: 50-140
With its impressive, curved bar and first-class AV setup, The Green House is made for social events and celebrations.
The Maynard Theatre
Capacity: 50-120
A large and flexible room on the lower ground floor suitable for full-scale conferences
The Edwards Room
Capacity: 30-100
With an entire wall of windows and a retractable screen, the Edwards Room is a versatile space where it’s easy to be productive.
The Garden Room
Capacity: 20-100
An elegant space with tall ceilings, picture windows and many beautiful, subtle details. Perfect for intimate receptions or private dining.
The President’s Suite
Capacity: 5-24
This grand Georgian dining room combines period decor, ample space, and wonderful views across Cavendish Square.
The Marlborough Theatre
Capacity: 30-80
A contemporary conference theatre that blends cutting-edge AV and hybrid technology with understated style.
Marlborough Rooms 1 & 2
Capacity: 5-30
Easily adaptable and packed with modern technology, Marlborough Rooms 1 & 2 can also be used as syndicate spaces when hired as part of the Marlborough Suite.
Marlborough Room 3
Capacity: 5-30
A versatile standalone meeting room, Marlborough Room 3 can also be hired as part of the Marlborough Suite and used as a syndicate or breakout room.
Marlborough Room 4
Capacity: 5-12
An intimate space that’s perfect for small groups, Marlborough Room 4 can also be used as a syndicate or breakout space as part of the Marlborough Suite.
Maynard Room 1
Capacity: 5-30
This compact boardroom is designed for small meetings and workshops, and can be hired as part of the larger Maynard Suite.
Maynard Room 2
Capacity: 5-30
Its neutral colour scheme and AV technology make this room a good fit for smaller meetings. It can also be used as a breakout room when hired as part of the Maynard Suite.
Maynard Room 3
Capacity: 5-30
Located on the lower ground floor, this space is ideal for intimate meetings and breakout sessions. Use this as a syndicate room when hiring the full Maynard Suite.
The Maxwell Room
Capacity: 20-60
With exceptional hybrid technology and a huge 85-inch presentation screen, the Maxwell Room is a powerhouse for modern meetings.
The Chris Ham Room
Capacity: 5-20
With tall ceilings, period character and modern technology, this spacious and soundproof room is made for private, exclusive meetings.