Looking for the best large conference venues in London? Whether you’re planning a big corporate event or a convention with hundreds of delegates, this blog will help you find the perfect venue. We've rounded up the top 10 places that offer space, facilities, and style to make your conference a success. From historic buildings and modern hotels to unique spaces, there’s something for every event here. Ready to discover the best large conference venues in London? Book your ideal venue today and get ready to impress your guests!
1. Convene Sancroft, St Pauls
If you're looking for a sleek, large space in a convenient location for your next conference or AGM, Convene Sancroft could be the venue for you. This stylish, modern venue is perfect for a laid-back atmosphere just minutes from public transport, while also offering some serious legroom for up to 1200 attendees. With 53 built-in plasma screens, a huge stage, first-class catering, and speedy wifi to boot, it's safe to say that any conference here is guaranteed to go without a hitch.
Location: City of London
Capacity: 850 Theatre
2. QEII Centre
The QEII Centre is an iconic choice for large conferences in London. Known for its sleek, modern design and central location, it offers state-of-the-art facilities to accommodate thousands of attendees comfortably. With versatile spaces, cutting-edge technology, and a professional events team, the QEII Centre ensures that your conference will be both impressive and seamless. It's a venue that combines prestige with practicality, making it a top pick for any major event.
Location: Westminster
Capacity: 1300 Theatre
3. Thistle Marble Arch
Thistle Marble Arch stands out as a prime large conference venue thanks to its central location and versatile facilities. With a variety of meeting and event spaces, including large ballrooms and modern conference rooms, it caters perfectly to events of all sizes. The venue offers the latest in audio-visual technology and fast, free Wi-Fi, ensuring presentations run smoothly. Additionally, its proximity to Oxford Street provides easy access for delegates, while the dedicated events team ensures personalised and professional service, making it an ideal choice for impactful conferences.
Location: Marble Arch
Capacity: 400 Theatre
4. Leonardo Royal Hotel London St.Pauls
Leonardo Royal Hotel London St Paul’s combines elegance with top-notch facilities, making it a fantastic option for large conferences. The hotel boasts multiple spacious event rooms, each equipped with the latest technology to ensure seamless presentations and communications. Its central location next to the iconic St Paul’s Cathedral offers not only convenience for delegates but also a prestigious and inspiring setting. With excellent catering services and a team dedicated to tailoring events to specific needs, this hotel provides a comprehensive and sophisticated conference experience.
Location: St Paul's
Capacity: 900 people
5. One Birdcage Walk
One Birdcage Walk offers a unique atmosphere for large conferences, combining historic charm with modern facilities. Located near Parliament and overlooking St James's Park, its Lecture Theatre accommodates up to 210 delegates, perfect for impactful presentations. With additional rooms for breakouts and receptions, state-of-the-art AV, and dedicated event staff, One Birdcage Walk ensures a seamless, high-impact conference experience in a truly prestigious setting.
Location: Westminster
Capacity: 210 Theatre
6. The Landmark London
Located near Marylebone, The Landmark London blends luxury with convenience, making it an ideal venue for large conferences. This five-star hotel offers opulent spaces with advanced audiovisual equipment, ensuring presentations are both stylish and effective. Its grand Victorian architecture provides a stunning backdrop, while the professional team ensures every detail is perfect, from catering to technical support.
Location: Baker Street
Capacity: 500 Theatre
7. Southbank Centre
Southbank Centre is a versatile venue that offers a unique blend of cultural and modern elements for large conferences. It has multiple flexible spaces, from auditoriums to stylish meeting rooms, to cater to diverse event needs. The centre is equipped with cutting-edge audiovisual technology and has excellent transport links, making it highly accessible for attendees. Additionally, its riverside location provides a scenic backdrop, enhancing the overall conference experience.
Location: Waterloo
Capacity: 2500 Theatre
8. 30 Euston Square
30 Euston Square checks out as a modern conference centre with a touch of character. This venue combines state-of-the-art facilities with a historic façade, providing a unique blend of old and new. It offers multiple event spaces, including an auditorium Auditorium for up to 300, making it versatile for various event types. Plus, its central location makes it easily accessible, adding an extra layer of convenience for delegates.
Location: Euston
Capacity: 300 Theatre
9. Congress Centre
Set within an architecturally renowned modernist building in the heart of central London, a short walk from Oxford Street, Congress Centre is a hi-tech purpose-designed conference & events venue with 16 air-conditioned light-filled spaces. The conference venue in London is ideal for a wide range of events for up to 850 people, from conferences, AGMs & meetings, to exhibitions, product launches, and awards dinners. With impressive in-house AV equipment, outstanding food and dedicated 'can do' account management, this one-stop shop is a popular choice with blue chip clients.
Location: Tottenham Court Road / Bloomsbury / Fitzrovia
Capacity: 500 Theatre
10. Kia Oval
How does a summer conference with a view sound? If you want to give your attendees something to talk about, the Kia Oval is bound to leave a lasting impression. A far cry from your average event space and with three large rooms to choose from, the conference centre’s unique design and floor-to-ceiling windows ensure that any event here is a step above the rest. And the free onsite parking (or a short walk to Vauxhall or Oval stations) sweetens the deal for getting attendees to the venue!
Location: Vauxhall
Capacity: 700 Theatre
Whether you're drawn to the historic elegance of The Landmark London or the high-tech capabilities of the Congress Centre, each venue brings its own flair to the table, promising a conference that’s anything but ordinary.
Explore more of the top large conference venues here or get in touch with our venue experts to start planning your next event!
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Grace Morgan
Grace Morgan is an experienced Account Executive at Hire Space, specialising in venue finding and events. Originally from South London, she now thrives in East London with her partner and Pomeranian.
