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The Top 10 Large Conference Venues in London

Hosting a conference? Then you’ve probably found that finding the right conference venue for your needs can be like finding a needle in a haystack – especially if your conference is a large one!

But fear not – we’re here to make life easy for you. So much so that we thought we’d list our top large conference venues in London, along with why we think they’re so great. All you have to do is have a browse and pick the right one for you!

Whether it’s for large corporate meetings, lectures, or seminars, 1 Wimpole Street is a top choice for those seeking a seamless and professional conference setting in central London. With its array of over 15 versatile function spaces, including three state-of-the-art auditoriums, and the largest seating up to 300 delegates, 1 Wimpole Street caters to a wide range of conference sizes and layouts.

Plus, the venue’s glass-roofed atrium, perfect for events of up to 200 people, adds a touch of elegance to any gathering, while an award-winning in-house AV team ensures that every technical need is met with the highest standards.

Location: Oxford Circus

Capacity: 298 theatre style

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Guy Whittle Auditorium Max Rayne Auditorium

Left: Guy Whittle Auditorium; Right: Max Rayne Auditorium at 1 Wimpole Street

Designed by Sir Edwin Lutyens, BMA House is a remarkable building that creates an impressive backdrop for your next conference. Once inside, this spacious venue boasts multiple versatile spaces to create the perfect flow to your event. For the main sessions, the Great Hall ideally accommodates up to 300 delegates and offers luxurious seating, state-of-the-art in-built AV, natural light and breathtaking views over the main Courtyard.

This venue also leads the charge for sustainability in London, boasting a Gold Green Tourism accreditation and Hire Space’s own ‘Greenest Venue’ award in 2018 and 2019. In 2022, they were one of the first venues in the UK to achieve a Greengage ECOsmart Platinum level award. This recognition is thanks to the plethora of eco-friendly policies and initiatives implemented throughout the building, from 100% renewable electricity to smart water management systems.

Location: Euston

Capacity: 300 theatre style

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The Great Hall The Great Hall

The Great Hall at BMA House

With over 6,000 square metres of event space, the Business Design Centre is an event planner’s dream when it comes to large conferences. Located in the former royal agricultural hall, its flexible, blank canvas rooms offer contemporary design mixed with original ironwork. And if that wasn’t enough, it’s carbon neutral!

Looking for a massive open-plan space to form the central hub of your conference? The Mezzanine or Gallery Hall will be just the ticket. Need a main stage for those key talks and panel discussions? Check out the flexible Auditorium, which seats 500. And that’s not to mention all the more intimate spaces available for breakouts, from Rooms B-H. Oh, the options!

Location: Angel

Capacity: 1,500 standing

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Mezzanine The Auditorium

Left: The Mezzanine; Right: The Auditorium at The Business Design Centre

The stomping ground of champions, London Stadium played host to the Olympics in 2012 and has since become one of the finest all-event venues in the city. With a range of stunning spaces on offer, as well as the best event tech in the business, conferences are in safe hands at this prestigious stadium.

The Great Briton and The Academy offer a premium light-filled space overlooking the pitch, while the luxurious restaurant, The Forge, offers a stylish backdrop for a post-conference dinner. Your conference is sure to become the stuff of legend here!

Location: Stratford

Capacity: 300 theatre style

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The Great Brton and The Academy The Forge

Left: The Great Brton and The Academy; Right: The Forge at London Stadium

Who says that large conference venues can’t be historical and unusual as well? The Insurance Hall, a venue with over 80 years of history at the core of the UK’s insurance sector, is a distinguished and grandiose setting for any large conference in London. Nestled in the City of London, it boasts a blend of heritage and architectural splendour, making it a hidden treasure among the city’s prestigious buildings.

The Great Hall, with its oak panelling and stunning stained-glass windows, offers a spacious and naturally lit environment for up to 300 guests, complete with a fixed stage and state-of-the-art audiovisual facilities. The venue’s versatility extends to the Court Room and the Jubilee Room, which are ideal for smaller meetings or breakout sessions.

Location: Moorgate

Capacity: 280 theatre

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The Great Hall The Court Room

Left: The Great Hall; Right: The Court Room at The Insurance Hall

12 Hay Hill, situated in the heart of prestigious Mayfair, is the ultimate venue for adding luxury to your conferences. With its luxurious interiors and state-of-the-art facilities, it caters perfectly for high-end corporate events and provides an atmosphere of exclusivity and professionalism. The Lounge, situated on the top floor, boasts an abundance of natural light, with panoramic windows and stunning views overlooking Mayfair and Berkeley Square. This luxurious space is the perfect choice for businesses seeking a refined setting and guarantees a memorable and impactful conference experience for all.

Location: Green Park

Capacity: 200 People

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12 Hay Hill 12 Hay Hill

12 Hay Hill

The Royal Horseguards Hotel is a great choice for hosting high-profile conferences and business gatherings. Steeped in history, this venue offers a blend of traditional elegance and modern facilities with a range of luxurious meeting rooms. Did we mention it’s opposite the London Eye!? Choosing this venue is bound to impress your guests and add a bit of luxury to your conference backdrops.

Location: Embankment

Capacity: 350 People

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Royal Horseguards Hotel Royal Horseguards Hotel

Royal Horseguards Hotel

The HAC (Honourable Artillery Company) offers a distinctive and prestigious venue for conferences in the heart of London. Combining historical grandeur with modern amenities, it provides an inspiring and functional setting for an array of corporate events. The venue, featuring elegant rooms and a spacious garden, is super adaptable for various conference formats, from intimate seminars to large-scale presentations they can host all! The HAC’s blend of tradition and contemporary facilities makes it a sought-after location for businesses seeking an impressive and memorable conference venue.

Location: Old Street

Capacity: Up to 5000 People

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The HAC The HAC

The HAC

11 Cavendish Square is a great venue for hosting conferences, combining elegant Georgian architecture with contemporary design. This exquisite venue offers a variety of flexible spaces, including the Burdett Suite and smaller breakout rooms, all equipped with state-of-the-art technology. Its central location and professional ambiance make it a popular choice for corporate events, seminars, and meetings. The venue’s mix of classic charm and modern facilities provides the perfect environment for productive and engaging conferences.

Location: Oxford Circus

Capacity: 400 People

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No.11 Cavendish Square No.11 Cavendish Square

No.11 Cavendish Square

One Moorgate Place known for its blend of historic elegance and modern amenities is a prime choice for those all important conferences. This beautiful grade II building, renowned for its stunning interiors, including the grand Main Reception Room and the contemporary Auditorium, is equipped with the latest technology. Its central location adds to its appeal, providing convenience and prestige for conference organisers and attendees. The combination of its architectural beauty and functional design makes One Moorgate Place a distinguished setting for impactful conferences.

Location: Moorgate

Capacity: 400 People

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One Moorgate Place One Moorgate Place

One Moorgate Place


As you can see, there’s no shortage of fantastic large conference venues in London. A conference hosted in any of these five stunning venues is guaranteed to impress your delegates – no matter how many of them there are!

To learn more about these amazing spaces, click the ‘enquire now’ buttons. Or, if you’d like to do some more browsing first, check out our expansive collection of large conference venues below.

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