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​.

8 northumberland avenue conference venue

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​.

iet savoy place venue hire

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​.

mermaid auditorium hire

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​​.

the brewery conference venue

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​.

lindley hall conference venue

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.

Related Posts

whitechapel gallery hire

Finding the Perfect Gallery Venue in London

Finding the perfect gallery venue for an event offers an inspiring environment that can greatly enhance the creative experience. These spaces are specifically designed to showcase artistic work, providing optimal…

Read More
horizon 22 unique events venue

10 Unique Event Venues in London

There are times when a bog standard events venue just will not do.  Have you always dreamt of hosting your event in a venue which is completely different to the…

Read More
The Brewery large conference venue

London Conference Venues for 500-1000 delegates

Hosting a conference for 500-1000 attendees in London requires careful planning to ensure a successful and impactful event. You need venues which have ample space for large gatherings, with configurations…

Read More

15 of the Most Unique Event Venues in the UK

Choosing a unique event venue for your next gathering offers numerous advantages that can enhance the overall experience for your guests. Unique venues provide an unforgettable atmosphere, creating a lasting…

Read More

Need Help? Use Our Free Service

No matter how large or small your event is, we guarantee that we will find you some really exciting venues to consider, so why do all the hard work yourself? Simply tell us about your event, whether you are looking for a dry hire, blank canvas or a venue that can provide everything you need, and leave the rest to us.