For larger conferences, AGMs, summits, and exhibitions, London offers an impressive range of venues designed to accommodate 500 to 1000 delegates. These spaces combine scalability with professional facilities, ensuring your event leaves a lasting impression.
1. QEII Centre, Westminster
The QEII Centre is purpose-built for larger conferences and regularly hosts events for up to 1,300 delegates across multiple rooms. For standalone conferences in the 500–1000 range, spaces like the Churchill Auditorium (up to 700 theatre-style) and adjacent breakout rooms offer flexibility and state-of-the-art technology.
2. etc.venues 155 Bishopsgate, Liverpool Street
155 Bishopsgate delivers sleek, contemporary conference spaces designed for scalability. The largest hall accommodates up to 900 theatre-style, with breakout areas and dedicated exhibition zones. Known for strong tech infrastructure and in-house catering.
3. Royal Lancaster London, Hyde Park
The Nine Kings Suite is one of London’s most prestigious ballrooms, seating up to 1,200 delegates theatre-style when combined with adjacent spaces. For conferences between 500–1000 attendees, its flexible partitions and luxury finish make it a go-to for high-end events.
4. Alexandra Palace, North London
An iconic venue offering grandeur and scale, Alexandra Palace’s Great Hall accommodates up to 1,000 delegates theatre-style. With period architecture, natural light, and acres of exhibition space, it’s ideal for large conferences, expos, and hybrid events.
5. King’s Place, King’s Cross
For upper mid-size events, Kings Place Hall One (415) and Hall Two (200) can be combined with additional spaces for a total capacity approaching 800. A modern cultural venue with riverside views, it offers top-tier AV and acoustics.
6. InterContinental London – The O2, Greenwich
This luxury venue boasts the Arora Ballroom, one of London’s largest pillar-free ballrooms, accommodating up to 1,000 delegates theatre-style. With direct access to The O2 Arena and excellent transport links, it’s perfect for polished corporate gatherings.
7. Hilton London Metropole, Paddington
Following a significant refurbishment, the Hilton Metropole now offers modern, versatile spaces. The Richmond Suite and others allow for conference setups accommodating 500–1000 delegates with high-end AV, breakout options, and central convenience.
8. Novotel London West, Hammersmith
With dedicated conference floors and the Chablis Suite hosting up to 1,000 delegates theatre-style, Novotel London West excels in handling large conferences. Strong logistics, accommodation on-site, and tech capabilities make it a reliable choice.
🔍 Comparison at a Glance
| Venue | Capacity (Theatre) | Highlights | Location |
|---|---|---|---|
| QEII Centre | 700 (single space) | Westminster prestige, full AV | Westminster |
| etc.venues 155 Bishopsgate | 900 | Modern, flexible, City of London | Liverpool Street |
| Royal Lancaster London | 500–1,200 | High-end, central, luxury finishes | Hyde Park |
| Alexandra Palace | 1,000 | Historic grandeur, versatile, large scale | North London |
| Kings Place | ~800 combined | Modern cultural venue, strong acoustics | King’s Cross |
| InterContinental London – The O2 | 1,000 | Luxury, connected to O2, hybrid-friendly | Greenwich |
| Hilton London Metropole | 500–1,000 | Newly refurbished, central, flexible spaces | Paddington |
| Novotel London West | 1,000 | Functional, on-site hotel, strong logistics | Hammersmith |
✅ Why Choose 500–1000 Capacity Venues?
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Impactful Scale: Perfect for high-profile conferences, large summits, and exhibitions.
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Flexible Configurations: These venues excel at adapting space for plenaries, exhibitions, and networking.
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Integrated Solutions: Most offer AV, catering, and breakout options in-house to streamline your planning.
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Prestige Locations: Many are associated with luxury, heritage, or high-profile districts.
💡 Tips for Selecting a Larger Conference Venue
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Prioritise Infrastructure: Ensure robust Wi-Fi, AV, and hybrid capabilities for larger audiences.
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Venue Flow Matters: Consider how your delegates will move between plenary, exhibition, and catering spaces.
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Accommodation On-Site or Nearby: For multi-day events, proximity to hotels is a must.
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Accessibility: Transport links should support national and international attendees.
🎯 Final Thoughts
Whether you’re looking for heritage elegance, riverside modernity, or purpose-built conference spaces, London’s 500–1000 capacity venues cater to a broad range of needs. These venues deliver the space, facilities, and prestige to ensure your event makes an impact.
