Conferences that connect
Unique Conference Venue
Up to 500 guests.
Elevate your event in the heart of London
- Prime central London location by Trafalgar Square
- Tailored setups for breakouts, keynotes and more
- Expert culinary experiences designed to fuel guests
Just off Trafalgar Square, 8 Northumberland Avenue redefines what London conference venues can achieve. With fully equipped spaces, excellent transport links and tailored support, we deliver exceptional conference experiences from start to finish.
Our London conference venue combines historic grandeur with cutting-edge technology. Whether you’re organising a corporate AGM, industry summit or speaker-led event, 8 Northumberland Avenue offers a flexible and prestigious backdrop.
Types of Conferences We Host
Public Sector Conferences
Trusted by government departments and public bodies for conferences requiring security, precision, and accessibility. Flexible layouts and discrete support teams ensure smooth delivery.
Corporate Conferences
Professional spaces equipped for formal business events, strategy days, and internal communications. Features include large presentation screens, delegate registration zones, and seamless AV integration.
Tech Conferences
Adaptable rooms for tech demos, breakout labs, and hybrid delivery. Fast connectivity and immersive lighting to create an engaging, innovation-led atmosphere.
Academic Conferences
A memorable setting for university and other academic events. Full AV support for keynote speeches, panel discussions, and award presentations.
Flexible conference venue setups that maximise the impact of your event
Theatre style
Classroom style
Cabaret style
Capacity chart
Capacity Chart| L x W x H | Sq Meters | Boardroom | Theatre | Cabaret | Reception | Banquet | Dinner / Dance | |
|---|---|---|---|---|---|---|---|---|
| The Ballroom | 31.4 x 12.1 x 10.3 | 380 | 60+ | 500 | 250 | 700 | 440/500* | 100/464* |
| The Old Billiard Room | 30.4 x 11.4 x 5 | 346 | 60+ | 350 | 180 | 500 | 250/270* | – |
| Annex | 16.7 x 8.8 x 4.5 | 147 | 46 | 105 | 56 | 225 | 140 | – |
| Salon | 11.8 x 5.2 x 4.5 | 61.4 | 26 | 70 | 32 | 100 | 40 | – |
| The Parlour | 5.5 x 3.4 x 4.5 | 18.7 | 10 | 10 | – | 15 | – | – |
| Victoria | 11.8 x 5.2 x 4.5 | 61.4 | 25 | 70 | 40 | 100 | 50 | – |
| Library | 6.5 x 3.75 x 4.5 | 24.4 | 15 | – | – | – | – | – |
| Small Boardroom | 3.15 x 3.8 x 2.06 | 11.9 | 8 | – | – | – | – | – |
| Smaller Meeting Rooms | 5.5 x 3.4 x 4.5 | 18.7 | 10 | 10 | – | 15 | – | – |
* This layout is with tables of 12 instead of 10. Banqueting capacities do not factor in a stage set so numbers will reduce
Measure Your Conference ROI with Confidence
Measuring Event ROI Shouldn’t Feel Like Guesswork
Get our free, practical playbook with clear frameworks, proven strategies and real-world case studies shared by our expert team at 8 Northumberland Avenue. This guide will help you clearly define, measure and communicate your event’s return on investment.
“Our event manager ensured a seamless experience, communicating consistently and accommodating all our requests with ease. Their expertise, transparency, and calm approach made the entire process smooth and enjoyable. I look forward to booking with 8 Northumberland Avenue again.”
Mabel Laditan – Pmo DeloitteGallery
Gallery
Let’s make history
Events that put you at the centre of everything. Get in touch for memorable, bespoke experiences with service at their core.
Access to the centre of London
8 Northumberland Avenue is located within a short walk of major transport links, ensuring delegates arrive with ease. Our venue offers step-free access, nearby parking options and a central location convenient for both domestic and international travel.
For more information, contact our team to discuss specific accessibility needs.
Frequently asked questions
Proactive, never reactive. We’re experts at anticipating needs — starting here. View our full set of FAQs for event-defining details.
Yes, we have multiple rooms that can be used for breakout space and smaller meeting rooms that can also be used for this purpose.
We have an internal AV team called Opal Fusion that are based at the venue who can support live streaming and any other audio-visual requirements.
We offer a complimentary wifi service. You will find the password displayed by the cloakroom on arrival and can be displayed on our poseur tables during the arrival coffee break.