A Unique Dining Experience at a Unique London Venue

A large dining hall filled with people seated at long tables, decorated for a formal event, with string lights hanging from the ceiling and a stage or backdrop at the front.

The Great Hall at St Mary’s sets the stage for dining experiences that are as memorable as they are magnificent. Beneath soaring ceilings and surrounded by timeless architecture, up to 300 guests can enjoy an atmosphere that blends historic grandeur with modern sophistication.

Whether you’re hosting an elegant fundraising gala, a lavish company dinner, or an exclusive celebration, the Great Hall offers the perfect backdrop. A fixed stage and state-of-the-art AV system ensure your speeches, performances, or presentations command the room and keep every guest engaged and immersed.

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Prep in the Undercroft: Behind-the-Scenes Efficiency

People in a kitchen preparing and plating dishes together, with multiple bowls on the table.

Tucked beneath the Great Hall and included in your hire, the Undercroft offers an ideal, private space for your caterers to prep, plate, and perfect each course before it reaches your guests.

Directly connected to our fully equipped commercial kitchen, the Undercroft can be configured to suit your event—split into two generous rooms for maximum efficiency, with three additional rooms available for staff operations, VIP hosting, or discreet storage. This behind-the-scenes versatility ensures your dining service runs as seamlessly as your event in the Great Hall above.

Large indoor gathering of people seated at long banquet tables decorated with greenery and candles, under warm hanging string lights in a spacious hall.
Indoor event in a large hall with round tables covered with yellow tablecloths, decorated with centerpieces, and filled with people. The hall has high ceilings with geometric patterns, and is illuminated with purple lighting. There is a stage at the
Long banquet tables decorated with greenery and candles in a large, well-lit event hall with string lights overhead.
A long banquet table set for a meal with white tablecloth, white plates, folded napkins, wine glasses, silverware, flower centerpieces, and a table number card, surrounded by wooden chairs.
Elegant event hall decorated for a celebration with long tables, string lights, floral arrangements, a stage with microphones, and stained glass windows.
A large indoor event with many people seated at tables, watching a speaker on stage. The stage has colorful decorations with balls and a screen displaying 'The Great Big Fish & Tricks Night.' The venue is decorated with colorful lighting.
Long banquet table decorated with floral arrangements, candles, and glassware for a wedding or special event, with wooden chairs on both sides.
People sitting at a long dining table with white tablecloth, eating and socializing during a formal event or celebration.
Floor plan of the Great Hall at a banquet event with 50 tables, stage, altar, AV booth, and various entrances and stairwells.
Floor plan of the Great Hall designed for a 300 cabaret-style event, showing seating arrangements with round tables, stage areas, entrances, stairwells, an altar, a drum booth, a curtain, a carpet, a reception desk, and various storage and auxiliary rooms.

Event Floor Plans for Dining and Banquet Events

Our floor plans are designed to help you visualise your dining or banquet event layout at St Mary’s. Every corporate dinner, private banquet, or catered event is unique, and our team will work with you to customise the setup to suit your needs. Please note: round tables are not included and will need to be hired externally.