300-500 Capacity Venues in London

London has no shortage of venues when it comes to hosting an event. Large or small, traditional or contemporary, catered or dry hire, you are spoilt for choice.  However when it comes to finding a venue for a higher number of guests, other than using a hotel ballroom, the choice is not so great.  Today we are focusing on 300-500 capacity venues in London.  Here are 12 venues that are worth considering for your next event.

8 Northumberland Avenue:

Located near Trafalgar Square, this historic venue offers flexible meeting spaces that can accommodate up to 380 guests. It combines elegant architecture with modern facilities, making it suitable for conferences and corporate events​.

Leicester Square Theatre:

This venue features a newly refurbished auditorium that can hold up to 400 people. With Oscar-style seating and comprehensive AV equipment, it is ideal for conferences, presentations, and corporate events​.

QEII Centre:

Situated in Westminster, the QEII Centre provides multiple rooms for conferences, including the Windsor and Cambridge rooms, which can host between 300 and 400 attendees. These rooms offer natural daylight and advanced AV capabilities​​.

Congress Centre:

Located in the heart of London, Congress Centre offers several rooms for meetings and conferences. The Congress Hall can accommodate up to 500 people theatre-style, making it perfect for large conferences and events​.

IET London: Savoy Place:

This venue offers modern facilities with a range of meeting rooms. The Turing Lecture Theatre can host up to 451 delegates, and its Riverside Room is ideal for networking and breakout sessions​.

One Great George Street:

Located in Westminster, this Grade II listed building provides elegant conference facilities. The Great Hall can accommodate up to 400 people and is equipped with advanced AV technology​​.

The Mermaid London:

Located near Blackfriars, The Mermaid London offers a variety of spaces for conferences and events. The Auditorium can accommodate up to 600 people, making it ideal for larger conferences and meetings​.

BMA House:

Situated in Tavistock Square, BMA House provides a range of meeting and conference rooms. The Great Hall can host up to 420 guests and is equipped with state-of-the-art AV facilities​​.

The Brewery:

Located in the City of London, The Brewery is a historic venue offering multiple event spaces. The Porter Tun room can accommodate up to 500 people, providing a versatile space for conferences and corporate events​​.

Friends House:

Positioned opposite Euston Station, Friends House offers the Large Meeting House, which can host up to 1,000 people. For more intimate meetings, the smaller rooms are perfect for up to 500 attendees​ ​.

Royal Horticultural Halls:

Situated in Westminster, the Lindley Hall can accommodate up to 450 people. It is a beautiful, historic venue with excellent facilities for conferences and events​.

Kings Place:

Located in King’s Cross, Kings Place offers a range of spaces for meetings and conferences. The Hall One can seat up to 420 people and is equipped with modern AV technology​​.

These 300-500 capacity venues offer diverse settings and modern amenities to support successful meetings and conferences, ensuring a professional and effective event environment without having to use a hotel.