A mid-sized lecture theatre on the second floor with good natural light and adjoining foyer perfect for catering area.

A mid-sized lecture theatre on the second floor with good natural light and adjoining foyer perfect for catering area.

No.11 Cavendish Square is a Grade II listed Georgian townhouse, combining original features with an exquisite contemporary design.
The venue houses 20 event spaces spread across four floors with several large lecture theatres, breakout rooms, board rooms and a light and airy Orangery and courtyard garden ideal for alfresco entertaining and evening events.
Its conference suites boast the latest AV technology and the event spaces are perfect for product launches, presentations, dinners and parties.

Marlborough Theatre | Business | No.11 Cavendish Square

London does unique venues for hire like no other city in the world. Its rich history and vibrant cultural influences mean spaces with lasting character, and memorable events for every occasion. Browse today for stunning conference venues, party spaces, meeting spots and all you could need in between. 

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No.11 Cavendish Square is a Grade II listed Georgian townhouse, combining original features with an exquisite contemporary design. 

The venue houses 20 event spaces spread across four floors with several large lecture theatres, breakout rooms, board rooms and a light and airy Orangery and courtyard garden ideal for alfresco entertaining and evening events.

Its conference suites boast the latest AV technology and the event spaces are perfect for product launches, presentations, dinners and parties.


No.11 Cavendish Square is a Grade II listed Georgian townhouse, combining original features with an exquisite contemporary design. 

The venue houses 20 event spaces spread across four floors with several large lecture theatres, breakout

The Orangery offers a modern style bathed in natural daylight from the glass ceiling, complemented by a delicate citrus aroma from the orange trees. The spacious, open-plan room provides a stunning setting for ceremonies and the wedding breakfast. From grand refinement to bohemian chic, the Orangery can be effortlessly styled to any couple’s wishes. 

Orangery | Weddings Hire | No.11 Cavendish Square

The Orangery offers a modern style bathed in natural daylight from the glass ceiling, complemented by a delicate citrus aroma from the orange trees. The spacious, open-plan room provides a stunning setting for ceremonies and the wedding

The Orangery is a beautiful space in which to hold presentations, conferences, parties, product launches and other events of all kinds. There is natural daylight all day due to the glass ceiling and a delicate aroma from the orange trees. The space can be styled depending on the needs of your event. 

Orangery | Events Hire | No.11 Cavendish Square

The Orangery is a beautiful space in which to hold presentations, conferences, parties, product launches and other events of all kinds. There is natural daylight all day due to the glass ceiling and a delicate aroma from the orange trees.

Natural daylight from the glass ceiling and a delicate aroma from the orange trees makes The Orangery a beautiful and unique space to hold a private banquet or dining event. 

Orangery | Dining  Hire | No.11 Cavendish Square

Natural daylight from the glass ceiling and a delicate aroma from the orange trees makes The Orangery a beautiful and unique space to hold a private banquet or dining event.

This modern conference space can hold up to 280 Theatre and can be re-configured in many ways – providing you with the freedom to design your event or meeting the way you want.

The quality and high specification of the facilities will make your life - and those of your presenters and audience - easier and more enjoyable on the day.

During a recent refurbishment the lighting was upgraded and cameras were installed allowing videography and streaming to take place without any extra hassle. 

Burdett Theatre | Business | No.11 Cavendish Square

This modern conference space can hold up to 280 Theatre and can be re-configured in many ways – providing you with the freedom to design your event or meeting the way you want.

The quality and high specification of the facilities will make

The Burdett Suite, adjacent to the Orangery, is ideal for grand-scale celebrations and flamboyant entertainment. 

Perfect for an Awards Ceremony with our newly fitted spot lights or dinner dance with mesmerising LED lighting.

Burdett Theatre | Events Hire | No.11 Cavendish Square

The grand and versatile setting is perfect for large-scale dining experiences and banquets.

Depending on the event you can remove or build a bespoke stage to suit your evening. 

Burdett Theatre | Dining  Hire | No.11 Cavendish Square

The grand and versatile setting is perfect for large-scale dining experiences and banquets.

Depending on the event you can remove or build a bespoke stage to suit your evening.

Stunning views over Cavendish Square offer an elegant setting for board meetings or more intimate corporate needs.

President's Room | Business | No.11 Cavendish Square

This is a classic grand Georgian dining room whose tall windows overlook Cavendish Square. We present it to you as one of the most elegant board or dining rooms in London.

President's Room | Dining  | No.11 Cavendish Square

The Maynard Theatre is an airy, modern conference space with air conditioning and is pillar free. The space is fully accessible with 2 lifts and is located on the lower ground floor. 

The catering is served in the spacious Maynard Foyer directly outside the Theatre which is perfect for networking and drinks receptions. The foyer can be made completely private by hiring the three additional breakouts on the same floor.

The room is equipped with an in built PA system, lectern, fixed microphones. LCD projector and screen and comfort monitor.

The Maynard Theatre is an airy, modern conference space with air conditioning and is pillar free. The space is fully accessible with 2 lifts and is located on the lower ground floor. 

The catering is served in the spacious Maynard Foyer

The Edwards room is an airy, modern conference space with natural light and air conditioning. The room is located on the 1st floor and is fully accessible with 2 lifts servicing this part of the building. 

The versatile space is perfect for conferences that want to offer a more relaxed feel. The room comes with intelligent LED lighting, HD projector and screen, fixed microphones, lectern, computer and lectern microphone.

The space also boasts a private cloakroom.

The Edwards room is an airy, modern conference space with natural light and air conditioning. The room is located on the 1st floor and is fully accessible with 2 lifts servicing this part of the building. 

The versatile space is perfect

The Edwards room is an airy modern space with natural light perfect for private dining or drinks receptions.

The space comes equipped with intelligent LED lighting perfect for branding your event along with lights settings creating the ambiance that every evening event is looking for.

The space also boasts a private cloakroom.



The Edwards room is an airy modern space with natural light perfect for private dining or drinks receptions.

The space comes equipped with intelligent LED lighting perfect for branding your event along with lights settings creating the

The Maxwell room is an airy, functional conference room with natural daylight, air-conditioning and is pillar free. The Maxwell room is part of the modern conference building at No.11 Cavendish Square. The room is fully accessible and is located on the first floor with 2 lifts serving this part of the building. The room is equipped with an inbuilt PA system, lectern, top table and fixed microphones, LCD projector and screen.

The Maxwell room is an airy, functional conference room with natural daylight, air-conditioning and is pillar free. The Maxwell room is part of the modern conference building at No.11 Cavendish Square. The room is fully accessible and is

The Garden room is located in the Grade II listed Georgian town house part of the venue and overlooks both Cavendish Square and our Courtyard Garden. The rooms original purpose was a traditional library and research resource before being revamped into a stunning space perfect for a board meeting, training or workshops.

The Garden room has 3 different spaces making it the perfect space to host registration, the meeting and lunch or drinks.

The Garden room can accommodate up to 50 Theatre, 24 Cabaret or 24 Boardroom and comes with a 55" plasma screen. 

The Garden room is located in the Grade II listed Georgian town house part of the venue and overlooks both Cavendish Square and our Courtyard Garden. The rooms original purpose was a traditional library and research resource before being

The Garden room is located in the Grade II listed Georgian town house part of the venue and overlooks both Cavendish Square and our Courtyard Garden. The rooms original purpose was a traditional library and research resource before being revamped into a stunning space perfect for Wedding ceremonies.

The room has 3 beautiful fireplaces, chandeliers and a stunning cornice.

The space can accommodate up to 110 for a ceremony before moving in to our Orangery for the Wedding Breakfast.

The Garden room is located in the Grade II listed Georgian town house part of the venue and overlooks both Cavendish Square and our Courtyard Garden. The rooms original purpose was a traditional library and research resource before being revamped into a stunning space perfect for private dining.  The Garden room has 3 different spaces, lending itself perfectly for a drinks reception before sitting down to a beautiful meal.

The Garden room can sit up to 60 for a private dinner.

The Treasurers room is located in the Grade II listed Georgian Town house part of the venue and can accommodate up to 16 delegates round a fixed oak boardroom table. This stunning space overlooks our peaceful Courtyard and Orangery, has a magnificent marble fireplace, cornicing and central chandelier. This is a very bright room with large windows and french glass doors that is the perfect space for intimate meetings, round table discussions and board meetings.



The Treasurers room is located in the Grade II listed Georgian Town house part of the venue and can accommodate up to 16 delegates round a fixed oak boardroom table. This stunning space overlooks our peaceful Courtyard and Orangery, has a

The Treasurers room is located in the Grade II listed Georgian Town house part of the venue and can accommodate up to 14 guests round a fixed oak table for a private dinner. This stunning space overlooks our peaceful Courtyard and Orangery, includes a magnificent marble fireplace, cornicing and central chandelier. The space has stunning large windows, french glass doors and is 
the perfect place to entertain guests for a dinner, wedding or party.

As the Treasurers room is located in the Georgian part of the building, the space also has access to a private entrance adding to the wow factor.

The Treasurers room is located in the Grade II listed Georgian Town house part of the venue and can accommodate up to 14 guests round a fixed oak table for a private dinner. This stunning space overlooks our peaceful Courtyard and Orangery,

The Green House is located on the ground floor next to our main reception and exudes styles and a sense of occasion.  Contemporary in styles, it features a beautiful natural wood and corian champagne bar along with LED lighting to match any brand, beautiful planting and state of the art AV.

The Green House captures the essence of the building whilst complementing our existing ground floor reception and banqueting spaces.

The Green House is a versatile space that can hold up to 140  guests for a reception or 80 for private dining.

The Green House is located on the ground floor next to our main reception and exudes styles and a sense of occasion.  Contemporary in styles, it features a beautiful natural wood and corian champagne bar along with LED lighting to match any

The Green House is located on the ground floor next to main reception, which exudes style and a sense of occasion. Contemporary in style, it features a beautiful, natural wood and Corian champagne bar along with led lighting to match your company branding, planting throughout and state of the art AV. The Green House captures the essence of the original building  whilst complimenting our existing ground floor  banqueting and reception spaces.

The Green House is a versatile space that`s perfect for a corporate drinks reception, networking evening or party for up to 140.

The Green House is located on the ground floor next to main reception, which exudes style and a sense of occasion. Contemporary in style, it features a beautiful, natural wood and Corian champagne bar along with led lighting to match your

The Green House is located on the ground floor  next to main reception, which exudes style and a sense of occasion. Contemporary in style, it features a beautiful, natural wood and Corian champagne bar along with LED lighting to match the company brand, planting throughout and state of the art AV. The Green House captures the essence of the original building whilst complimenting our exiting ground floor banqueting and reception spaces.

The Green House is a beautiful bright space perfect for private dining up to 80 whilst also offering space for drinks beforehand. 

The Green House is located on the ground floor  next to main reception, which exudes style and a sense of occasion. Contemporary in style, it features a beautiful, natural wood and Corian champagne bar along with LED lighting to match the

The Chris Ham room is located in the Grade II listed Georgian Townhouse part of the venue and is an airy, bright functional space with air conditioning and is pillar free. The room is located on the ground floor, is fully accessible, is completely private and has built in catering stations overlooking Cavendish Square. The room is also equipped with an inbuilt fixed 65" LED monitor, soundbar and a magnetic wall.

The Chris Ham room is perfect for an intimate board room meeting, training day or round table discussion.

The Chris Ham room is located in the Grade II listed Georgian Townhouse part of the venue and is an airy, bright functional space with air conditioning and is pillar free. The room is located on the ground floor, is fully accessible, is

Marlborough 1 is an airy, functional space with natural daylight, air conditioning and is pillar free, Its located in the modern conference building and is served by two lifts to the 2nd floor making it fully accessible.  All catering is served in the spacious foyer area directly outside the room flooded with natural light and is the perfect setting for networking between sessions. The room is perfect for a small standalone meeting or booked as part of the Marlborough Suite.

Marlborough 1 is an airy, functional space with natural daylight, air conditioning and is pillar free, Its located in the modern conference building and is served by two lifts to the 2nd floor making it fully accessible.  All catering is

Marlborough 2 is an airy, functional space with natural daylight, air conditioning and is pillar free. Its located in the modern conference building and is served by two lifts to the 2nd floor making it fully accessible. All catering is served in the spacious foyer area directly outside the room flooded with natural daylight and is the perfect setting for networking between sessions or evening drinks. The room is perfect for a small standalone meeting or booked as part of the Marlborough Suite.

Marlborough 2 is an airy, functional space with natural daylight, air conditioning and is pillar free. Its located in the modern conference building and is served by two lifts to the 2nd floor making it fully accessible. All catering is

Marlborough 3 is an airy, functional space with natural daylight, air conditioning and is pillar free.  Its located in the modern conference building and is served by 2 lifts to the 2nd floor making it fully accessible. All catering is served in the spacious foyer area directly outside the room flooded with natural daylight and is the perfect setting for networking between sessions and evening drinks. The room is perfect for a small standalone meeting or booked as part of the Marlborough Suite.

Marlborough 3 is an airy, functional space with natural daylight, air conditioning and is pillar free.  Its located in the modern conference building and is served by 2 lifts to the 2nd floor making it fully accessible. All catering is

Marlborough 4 is an airy, functional space with natural daylight, air conditioning and is pillar free. its located in the modern conference building and is served by two lifts to the 2nd floor making it fully accessible.  Catering is served in the spacious foyer area directly outside the room flooded with natural daylight and is the perfect setting for networking between sessions and evening drinks. The room is perfect for a small standalone meeting or booked as part of the Marlborough Suite. 

Marlborough 4 is an airy, functional space with natural daylight, air conditioning and is pillar free. its located in the modern conference building and is served by two lifts to the 2nd floor making it fully accessible.  Catering is served

Maynard 1 is an airy, functional meeting room with air conditioning and is pillar free. The space is located on the lower ground floor of the modern conference building and is served by two lifts making it fully accessible. All catering is served in the spacious foyer situated directly outside the room perfect for networking between sessions or evening drinks. The room is perfect for small standalone meetings or can be booked as part of the Maynard Suite. 

Maynard 1 is an airy, functional meeting room with air conditioning and is pillar free. The space is located on the lower ground floor of the modern conference building and is served by two lifts making it fully accessible. All catering is

Maynard 2 is an airy, functional meeting room with air conditioning and is pillar free. The space is located on the lower ground floor of the contemporary conference facilities and is served by two lifts making it fully accessible. All catering is served in the spacious foyer situated directly outside the room perfect for networking between sessions or drinks to finish the day. The room is perfect for a small standalone meeting or can be booked as part of the Maynard Suite.

Maynard 2 is an airy, functional meeting room with air conditioning and is pillar free. The space is located on the lower ground floor of the contemporary conference facilities and is served by two lifts making it fully accessible. All

Maynard 3 is an airy, functional meeting room with air conditioning and is pillar free. The space is located on the lower ground floor of the contemporary  conference facilities and is served by two lifts making it fully accessible. All catering is served in the spacious foyer situated directly outside the room perfect for networking between sessions or finishing the day with drinks . The room is perfect for a small standalone meeting or can be booked as part of the Maynard Suite.

Maynard 3 is an airy, functional meeting room with air conditioning and is pillar free. The space is located on the lower ground floor of the contemporary  conference facilities and is served by two lifts making it fully accessible. All

No.11 Cavendish Square

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