Are you looking for a unique and impressive location for your event? St Mary’s is a stunning, Grade 1 listed central London events venue which is available for hire from Monday – Saturday. Due to its versatility and excellent, modern facilities is an exceedingly popular choice for many different events from weddings to conferences to fashion shows.

The full venue is available for hire, including the beautiful, spacious Great Hall, Balconies,  large, functional Undercroft, three meeting rooms and kitchen . Combined these rooms offer over 1190m sq of space. The venue can host up to 700 guests and is fully accessible. St Mary’s  also includes a fully equipped commercial kitchen and high specification technical system.

St Mary’s Venue is excellently located, just north of Oxford Street and a short walk from Marylebone, Baker Street, Edgware Road and Marble Arch stations.

The venue’s friendly and efficient staff will work with you at every stage and are dedicated to making your event a success. Please contact the helpful team here, for further information or to find out more about St Mary’s competitive rates please view our brochure below.  

floor plans & capacities

To find details about our venue tailored to your event type, please click on an image below.
This will bring up floor plans and capacities for each different style of event.

Theatre style layout with built out stage and pink lighting at St Mary's Venue Hire, London
Dancing at a wedding reception at St Mary's Venue Hire, London
Photograph of Christmas toys being launched to the press at St Mary's Venue Hire, London
Cabaret style conference with delegates
Place setting of banquet style dining at St Mary's Venue Hire, London
Photograph of a model in white outfit at St Mary's Venue Hire, London


The Great Hall

The Great Hall is a unique and impressive setting for any event. Featuring beautiful Georgian details, high ceilings and wooden floors, it is certain to impress your guests. With over 573m sq of space and exquisite stained glass windows the room is both bright and spacious.

The space is highly functional with an inbuilt sound, lighting and visual system which includes a 4m projection screen. To ensure you have a smooth and easy experience we offer in-house engineers who will be able to assist you with all of your technical needs.

With plenty of adaptability to tailor the layout to your event, this space is ideal for concerts, conferences, performances, fashion shows, product launches and more.

To view our gallery please click here.

Theatre style 669
Balconies 200
Cabaret style 330
Banqueting style 335
Classroom Style 200+
Reception 600 +
Exam style 150

The Undercroft

The Undercroft is a flexible and spacious room included in the hire of The Great Hall. The main space is just over 305m sq and features exposed fittings and oak paneling to create a modern, industrial feel and is the perfect blank canvas for your event.

The space also contains a moveable, soundproofed wall, allowing you the flexibility to create two separate rooms.
Additionally, there are three meeting rooms, along the edge of the space, which make superb green rooms or breakout spaces. The commercial kitchen is also located here and can cater for up to 300 guests.  

The Undercroft is a great choice for conferences, exhibitions, food courts, performances and more. 

To view our gallery please click here.

Theatre style 360
Cabaret style 280
Classroom 230
Reception 400
Exam style 100

Make an Enquiry


Book a tour with our
Head of Events, Charlotte

Zoom Tour

In-Person Tour

Brand Icons of BBC, Cancer Research UK, RCP, Toy Retailers Association, Wetherby Prep from testimonials
Map of St Mary's London including Marylebone, Baker Street and Marble Arch