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Finding the perfect large event venue in London for 400 guests can be a challenge, but it’s essential for creating a memorable experience. These venues offer ample space and flexibility, accommodating everything from conferences to gala dinners. Consider factors like location, accessibility, and facilities when selecting your venue. With London's diverse offerings, you’re sure to find an ideal setting that meets your needs.

By plane, train, underground, bicycle and more, London has some of the best transport links in the world.

TRANSPORT

Icons that make London know the world over, from Buckingham Palace to the House of Parliament.

LANDMARKS

Home to Theatreland, world renowned music venues, museums and a piece of history on every corner.

CULTURE

London is a city that needs no introduction. It’s a global hub for business, finance, fashion and the arts, and is one of the most popular tourist destinations in the world. It’s also an excellent place to hold an event, with a huge range of venues to choose from. From the iconic O2 Arena and Wembley Stadium to more intimate spaces like the Royal Albert Hall and Roundhouse, London has a venue to suit every event. And with a wealth of hotels, restaurants and bars, you’ll be spoilt for choice when it comes to entertaining your guests.

London

The United Kingdom has an excellent transport infrastructure, with a wide variety of options for getting around.

The United Kingdom is home to some of the most iconic landmarks in the world, from Big Ben to Stonehenge.

The United Kingdom has a rich cultural heritage, with a wide variety of traditional music, art and cuisine.

The United Kingdom is a country in northwestern Europe, off the coast of France. It is made up of England, Scotland, Wales and Northern Ireland. The UK has a long and rich history, and its culture has been influenced by many different peoples and nations. The UK is a leading economic and political power, and is home to some of the world’s most iconic landmarks, such as Big Ben and Buckingham Palace. The UK is an excellent place to hold an event, with a variety of world-class venues and a wealth of experience in hosting events of all kinds.

United Kingdom

Explore large event venues in London suitable for 400 guests.

Large Event Venues in London for 400 people

Large Event Venues

Discover Leonardo Royal Hotel's large event venue near Tower Bridge, London. Versatile space perfect for conferences and corporate events for 400 guests.

Situated on the Lower Ground floor of the property, Trinity & Goodmans suite offers a total capacity of 750 people. The room may be hires as a single space or separated into four separate suites, depending on the type of the event. The suite is ideal for hosting product launches, exhibitions, live webcasting session, dinner dances, conferences, gala dinners and Annual General Meetings. By booking the suite, you also get an access to the private indoor Atrium and two spacious Foyers which are the perfect space for the catering and exhibition. 

Trinity & Goodmans Suite at Leonardo Royal Hotel, spacious conference hall for corporate events.

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Trinity & Goodmans Suite at Leonardo Royal Hotel, ideal for corporate events and conferences.

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Trinity & Goodmans Suite at Leonardo Royal Hotel, ideal for conferences and banquets.

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Trinity & Goodmans Suite at Leonardo Royal Hotel, elegant event venue with festive decor.

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Trinity & Goodmans Suite at Leonardo Royal Hotel, modern entrance for corporate events.

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Theatre

Events

Trinity & Goodmans Suite

Leonardo Royal Hotel London Tower Bridge

Leonardo Royal Hotel Large Event Venue

Stunning large event venue in London's OXO Tower for 400 guests. Thames views, versatile space for corporate events & celebrations.

OXO2 is a stunning central London venue, the perfect location for any corporate event looking for a blank canvas with breath-taking views of the River Thames. Its floor-to-ceiling windows allow for an abundance of natural light, providing the perfect setting for conferences, meetings, award ceremonies, training sessions, product launches, and more. OXO2 offers a capacity of up to 400 standing or 160 seated guests, making it perfect for events of all sizes. The venue boasts two interconnected gallery-style rooms and provides bespoke event planning services to ensure seamless execution. 

Conference setting at OXO2 with speaker engaging attentive audience, ideal for networking.

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Modern event space in OXO2, ideal for networking and workshops.

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Elegant event space at OXO2 for Beauty Awards 2024 with polished glassware.

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Vibrant networking event at OXO2 with engaged attendees and bright lighting.

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Modern event space in OXO2 with polished wooden floor, ideal for networking and launches.

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Standing

Business

Whole Venue

OXO2

OXO2 - Large Event Venue London

Book Kia Oval for large events in London. Versatile venue with excellent transport links, free parking, perfect for 400+ guests.

Located on the ground floor of the JM Finn stand, the England suite is a filled with natural daylight and offers fantastic views of the famous Oval pitch. It is an ideal venue for dining events. The space has additional space in the wings of the room and is adaptable for an array of events. 

Elegant banquet setup in England Room, Kia Oval for conferences and formal dinners.

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Spacious Kia Oval England Room set for formal dining, perfect for corporate events and weddings.

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Elegant banquet hall at Kia Oval, perfect for corporate events and weddings.

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Dining 

England Room

Kia Oval

Kia Oval - Large Event Venue London

Stunning riverside large event venue near London Bridge with panoramic views of The Shard. Perfect for corporate events up to 400 guests.

The bright and spacious Tower Suite is entirely adaptable to your business needs, offering high ceilings and neutral decor. The floor-to-ceiling windows fill the room with daylight and distinctive lighting sets the scene. A choice of built in screens are available for your meeting, conference, or training workshop. The Tower Suite can also be sub-divided into a choice of smaller rooms making it suitable for more intimate corporate events. 

Tower Suite at Hilton London Tower Bridge, modern event space with round tables for conferences.

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Tower Suite conference setup with round tables for International Women’s Day event.

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Reception

Tower Suite

Hilton London Tower Bridge

Modern large event venue in West London. Clayton Hotel Chiswick offers professional event spaces for 400+ guests with restaurant facilities.

Only 20 minutes from Heathrow Airport and Central London, as well as adjacent to Chiswick Business Park. Chiswick Ballroom is a fabulous flexible room, which can be adapted for a wide range of uses, such as meetings, conferences, syndicates, presentations, training courses, kickoff meetings, team building, private dining, award ceremonies and many more. The room is flooded with natural daylight and equipped with screen projectors, free WiFi as well as light, sound and climate control.

Chiswick Ballroom banquet hall with elegant decor, ideal for weddings and formal events.

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Chiswick Ballroom at Clayton Hotel, elegant event space for weddings and corporate gatherings.

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Chiswick Ballroom

Clayton Hotel Chiswick

Clayton Hotel Chiswick - Large Event Venue

Luxury large event venue in London Bankside. Versatile spaces for up to 1000 guests. Perfect for corporate events and conferences.

If you're booking a weekend-long conference, enjoy access to the London Floor, the perfect setting for smaller and more intimate events, catering for up to 240 guests. The flexible floor hosts 8 private suites, delightfully furnished and complete with air conditioning, versatile lighting and state-of-the-art audio-visual equipment. 

Modern conference room at Hilton London Bankside, ideal for professional meetings and events.

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Modern meeting room at Hilton London Bankside with round table for professional events.

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Elegant event space at Hilton London Bankside with modern chandelier, ideal for gatherings.

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Buffet

London Floor

Hilton London Bankside

Hilton London Bankside - Large Event Venue

Historic large event venue in Central London for 400+ guests. Modern amenities, courtyard & terrace. Perfect for corporate events.

The Prince Consort Rooms are an exceptionally sleek and stylish venue that incorporates elements of the HAC's history. Perfect for conferences, annual general meetings, awards ceremonies and more. The vaulted ceilings, hardwood flooring and the abundance of natural light coming from the skylights give the Prince Consort Rooms plenty of character while still remaining a blank canvas for your corporate event. 

Prince Consort Rooms at HAC, bustling networking event with ambient lighting and booths.

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Prince Consort Rooms

The HAC (Honourable Artillery Company)

The HAC - Large Event Venue London

Host your large corporate event at Arsenal's Emirates Stadium in London. Versatile venue accommodating up to 1,200 guests for conferences.

Whether you're holding a conference for up to 200 delegates, a dinner for 100 or a reception of up to 1,200 party goers, Dial Square will work for you. The space benefits from huge windows on one side of the room and pitch views on the other.

Neutrally decorated, Dial Square offers a blank canvas for you to dress to suit your theme or company branding.

Dial Square at Emirates Stadium: modern venue with vibrant decor for casual events.

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Stylish bar area at Emirates Stadium, ideal for networking events and social gatherings.

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Dial Square at Emirates Stadium: vibrant event space with high tables and red chairs.

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Dial Square at Emirates Stadium: modern event space with vibrant red furniture, ideal for receptions.

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Dial Square at Emirates Stadium: modern venue with vibrant bar, ideal for events and meetings.

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Dial Square

Arsenal Football Club - Emirates Stadium

Arsenal Emirates Stadium Large Events

Premium large event venue in central London. Hilton London Metropole offers extensive facilities for 400+ guests with professional meeting spaces.

You're looking for a space that can be split into two to offer the perfect amount of flexibility, all while being located in its own private area and being able to host up to 800 guests - right? Well, look no further. The Admiral Suite can be used in its entirety or split into two separate large rooms, perfect for hosting your conference on one side with your drinks, nibbles, lunch, registration... you name it, is located on the other. The Admiral Suite is inspired by the deep-rooted naval origins of Greenwich.

Admiral Suite at Hilton London Metropole: elegant event space for conferences and weddings.

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Admiral Suite at Hilton London Metropole, elegant event space for corporate meetings and receptions.

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Admiral Suite

Hilton London Metropole

Hilton London Metropole - Large Event Venue

Historic Grade II* listed Central Hall Westminster. Perfect large event venue in central London for conferences and corporate events up to 400 guests.

The highly adaptable Lecture Hall and Library can be combined into a single room for
receptions of up to 1,000 guests.

With impressive triple height ceilings with gorgeous details, natural daylight and a built-in
stage, Lecture Hall and Library proves a versatile room for holding conferences, seminars,
exams, exhibitions, graduation ceremonies and much more. There is an extensive range of
technical equipment to complement your event covering video, audio, and staging.
There is direct access from the Main Foyer on Level 1 which can be used as a convenient
registration area if needed.

Lecture Hall in Central Hall Westminster, elegant space for corporate meetings and conferences.

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Lecture Hall in Central Hall Westminster, elegant venue for conferences and formal gatherings.

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Lecture Hall in Central Hall Westminster, spacious venue with high ceilings for conferences.

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Elegant Lecture Hall in Central Hall Westminster, perfect for meetings and social gatherings.

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Fashion runway in lush Central Hall Westminster, showcasing innovative designs and audience engagement.

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Lecture Hall and Library

Central Hall Westminster

Central Hall Westminster - Large Events

Discover London Museum Spaces for large events accommodating 400 guests. Versatile central London venue perfect for conferences and receptions.

A show stopping space for your conference, our London Ellipse Hall can be branded to your bespoke specifications. The LED display can welcome your guests, thank your sponsors, and offer a truly unique opportunity to enhance your corporate profile.

With our Entrance Hall as a registration, catering, or workshop space, the London Ellipse Hall is yours to utilise to the highest extent.

Our dedicated AV team can provide all day support and run everything from presentations, hybrid, awards ceremonies, and across work conferencing. 

London Ellipse Hall event space with round tables for meetings and workshops.

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Networking event at London Ellipse Hall with round tables for collaboration.

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London Ellipse Hall event with speaker addressing engaged audience in modern corporate setting.

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London Ellipse Hall event setup with carwow 2024 branding and Olympic rings for a launch.

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Modern London Ellipse Hall event space with elegant floral arrangements for networking.

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London Ellipse Hall

London Museum Spaces

London Museum Spaces - Large Event Venue

Contemporary large event venue at Goldsmiths University London for 400 guests. Diverse spaces & quality catering for corporate events.

The Lecture Theatres at Richard Hoggart Building offer a versatile space for conferences, exhibitions, filming, concerts, and orchestra rehearsals. With built-in computers, projectors, and screens in all lecture theatres and classrooms, these spaces provide a seamless experience for various events. The Great Hall within the Lecture Theatres is renowned for its acoustic excellence and historical significance, accommodating up to 580 people in the auditorium. The Refectory and Balcony areas are ideal for dining, exhibitions, and social learning activities, offering flexible seating arrangements and modern amenities.

Modern lecture theatre at Goldsmiths, University of London with red tiered seating.

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Goldsmiths University lecture theatre with red seating, ideal for conferences and seminars.

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Goldsmiths University lecture theatre with vibrant red seating for presentations and events.

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Modern lecture theatre at Goldsmiths, University of London with tiered seating for seminars.

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Lecture Theatres

Goldsmiths, University of London

Goldsmiths University Large Event Venue

The Rock Tower: Versatile large event venue in Islington, London for 400+ guests. Unique Greco-Byzantine space for corporate events & celebrations.

The Diamond Arena, located on the ground floor of the The Rock Tower is spacious and versatile, designed to accommodate large scale events. With a seating capacity of 900 in a theatre-style arrangement, ample room for guests, with natural day light. The Arena features high ceilings and expansive floor space. the layout is designed to optimise sightlines and acoustics, giving attendees optimal viewing and listening experience from every seat.

Perfect uses for Diamond Arena could include: Conferences and conventions, Educational seminars, Workshops, Shareholders meetings, & networking sessions.

Diamond Arena in The Rock Tower: spacious venue with tiered seating for conferences and events.

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Diamond Arena in The Rock Tower: spacious venue with high ceilings for conferences and seminars.

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Diamond Arena event space with elegant chairs, perfect for weddings and conferences.

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Diamond Arena conference setup with round tables for networking and collaboration.

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Diamond Arena event setup with round tables for discussions and presentations.

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Diamond Arena

The Rock Tower

The Rock Tower - Large Event Venue London

Grand large event venue in central London accommodating up to 700 guests. Flexible space perfect for corporate events and conferences.

Galleon is pillar free ballroom with high ceiling, ideal for conferences up to 719 guests in Theatre style. 

Galleon Suite is suited for Business events covering seminars, exhibitions, AGMs, away days, conferences and many more. 

Conference room setup with black chairs and stage for presentations at Royal National Hotel.

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Galleon Total event space with draped table and screens for a professional conference.