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Discover the ideal meeting spaces in London that can accommodate up to 400 attendees. These versatile venues are perfect for corporate meetings, conferences, and workshops. With state-of-the-art facilities and convenient locations, you can ensure a productive environment for your team. When selecting a space, consider layout options, technology availability, and accessibility to create an engaging experience for all participants.

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 top meeting spaces in London suitable for 400 people.

Meeting Spaces in London for 400 people

Meeting Spaces

Historic Central London meeting space for 400 people. Modern amenities, courtyard & terrace. Perfect for corporate events & conferences.

The Prince Consort Rooms are an exceptionally sleek and stylish venue incorporating the elements of HAC's history, ideal for corporate events, Christmas and summer parties, gala dinners, award banquets, and more. In addition to the vaulted ceilings, hardwood flooring, and skylights that let in plenty of natural light, the Prince Consort Rooms boasts its own private courtyard entrance giving your event exclusive use and privacy. During the summer months, you'll also be able to enjoy our pop up summer terrace!

Prince Consort Rooms at HAC: elegant event space with greenery for corporate meetings and gatherings.

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Spacious Prince Consort Rooms venue with high ceilings for conferences and receptions.

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Gala event in Prince Consort Rooms, HAC with elegant table settings and blue lighting.

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

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Live musicians in stylish attire at Prince Consort Rooms, HAC event atmosphere.

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Reception

Events

Prince Consort Rooms

The HAC (Honourable Artillery Company)

The HAC - Meeting Spaces London

Premium meeting spaces at Leonardo Royal Hotel London St.Pauls for 400 people. Central location near St Paul's Cathedral, perfect for corporate events.

The Wren & Shakespeare Suite is the hotel's largest single conference and event space, perfectly designed for hosting large gatherings in the heart of London. This versatile venue boasts cutting-edge technology, making it ideal for conferences, corporate events, and grand celebrations. With flexible seating arrangements accommodating up to 450 guests for a dinner dance or 300 in a classroom setup, it caters to diverse event needs. Enjoy exceptional amenities, including afternoon tea, buffet lunches, and dedicated event staff to ensure a seamless experience. Located beside the iconic St Paul's Cathedral, the suite offers easy access to Mansion House, City Thameslink, and Blackfriars stations, making it a prime choice for both local and international attendees. Enhance your event with full-range speakers, HD plasma screens, and on-site facilities like a gym, pool, and spa. The Wren & Shakespeare Suite at Leonardo Royal Hotel London St Paul's is your premier destination for unforgettable events in a central location.

Wren & Shakespeare Suite at Leonardo Royal Hotel, elegant conference venue with blue lighting.

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Wren & Shakespeare Suite conference room setup for workshops at Leonardo Royal Hotel London.

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Wren & Shakespeare Suite: modern event space with skylights for networking and receptions.

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Wren & Shakespeare Suite at Leonardo Royal Hotel, ideal for conferences with blue lighting.

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Wren & Shakespeare Suite banquet setup with round tables in Leonardo Royal Hotel London.

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Wren & Shakespeare Suite

Leonardo Royal Hotel London St.Pauls 

Premium meeting spaces at Hilton London Tower Bridge for 400 people. Riverside venue near London Bridge with modern facilities and Shard views.

The bright and spacious Tower Suite is entirely adaptable to your needs, offering high ceilings and neutral decor. The floor-to-ceiling windows fill the room with daylight and distinctive lighting sets the scene. The Tower Suite can also be sub-divided into a choice of smaller rooms making it suitable for more intimate events. The room offers the perfect blank canvas for anyone with a creative flare looking to create their perfect wedding day.

Romantic couple in Hilton London Tower Bridge suite, perfect for weddings and events.

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Tower Suite at Hilton London Tower Bridge, elegant seating and floral decor for upscale events.

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Elegant Tower Suite at Hilton London Tower Bridge, ideal for weddings and corporate events.

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Joyful couple entering Hilton London Tower Bridge wedding reception with vibrant decor.

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Tower Suite at Hilton London Tower Bridge, modern event space with illuminated dance floor.

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Weddings

Tower Suite

Hilton London Tower Bridge

Hilton London Tower Bridge Meeting Spaces

Historic meeting spaces at One Moorgate Place in central London. Perfect for conferences and corporate events for up to 400 people.

The Great Hall is the largest event space, accommodating up to 400 guests. As a versatile blank canvas, it's ideal for a wide range of events, including conferences, seminars, press activities and presentations. The Great Hall features three large screens, a stage, and a podium, providing an excellent platform for showcasing and presenting to your audience. It supports various set-ups, including theatre, classroom and round tables, tailored to your event's specific needs. Perfect for AGMS, product launches, and networking events, The Great Hall combines flexibility with functionality.

Great Hall at One Moorgate Place, purple-lit conference room for events and presentations.

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Great Hall at One Moorgate Place, elegant event space for meetings and conferences.

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Great Hall at One Moorgate Place, spacious stage for conferences and presentations.

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Great Hall at One Moorgate Place with elegant chandelier, ideal for upscale events.

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Great Hall at One Moorgate Place, theater-style seating for conferences and presentations.

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Business

Great Hall

One Moorgate Place

One Moorgate Place Meeting Spaces

Historic Georgian meeting space in Covent Garden with 37 versatile rooms. Perfect for large corporate events up to 400 people in London.

Host an unforgettable event in the breath taking Grand Hall. Guests arrive in style through a marble reception and staircase before entering a space of chandeliers, soaring ceilings and timeless elegance. Ideal for weddings, gala dinners, balls, private parties and any other event you need planning, no event is too much of an ask for this space - even historically holding a boxing match or two. 

With the ability to hold up to 1,500 standing to 540 for a banquet, complete with in-house catering and AV this historical venue is made for memorable moments.

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Standing

Grand Hall & Balmoral Suite

De Vere Grand Connaught Rooms 

Art-deco town hall offering grand meeting spaces in London for up to 400 people. Perfect for conferences and corporate events.

The Assembly Hall has a private entrance which leads via a grand staircase up to a stunning landing area perfect for a reception or registration.

The room can be used either as a whole for up to 500 standing or 300 seated capacity. Alternatively the room can be divided into 3 separate entities via partition walls.

Next to the Assembly Hall, you also have access to our stunning art-deco bar which serves as a beautiful, intimate space.

Spacious Assembly Hall at Hackney Town Hall, perfect for corporate and social events.

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Hackney Town Hall Assembly Hall, grand venue for corporate meetings and community events.

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Assembly Hall at Hackney Town Hall, modern chairs for workshops and seminars.

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Spacious Assembly Hall at Hackney Town Hall, ideal for conferences and receptions.

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Elegant Assembly Hall at Hackney Town Hall, ideal for networking events and gatherings.

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Assembly Hall

Hackney Town Hall

Hackney Town Hall - Meeting Spaces London

Historic meeting space in London for 400 people. Former theatre venue by Blackfriars Bridge, perfect for large corporate events and conferences.

The Upper River Room can hold 500 people for a standing reception. With the ability to transform to meet every individual need, the space really is the perfect setting for you and your guests to drink, dine and dance. The space suits itself for catering and exhibitions during conferences and then for drinks reception, an award ceremony and networking events in the evening when the city skyline is in full show. 



Modern Upper River Room in The Mermaid London, ideal for cocktail receptions and networking.

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Upper River Room

The Mermaid London

The Mermaid London - Meeting Space

Grade II Listed meeting spaces in Westminster for 400 people. Stunning architecture and diverse rooms for corporate events in London.

The Great Hall is a truly spectacular space for a wedding offering both natural light and stunning period features. Located on the first floor of this award-winning, Grade II listed Westminster wedding venue, it boasts oak floors, seven floor-to-ceiling windows and 13 meter high ceilings adorned with marble and ornate gold leaf. Guests will gaze up in amazement as they dine and dance beneath The Great Hall's jaw-dropping painted ceiling and two exquisite crystal chandeliers. 

Elegant banquet hall with chandelier, ideal for weddings and corporate events.

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One Great George Street

One Great George Street Meeting Spaces

Premium meeting spaces at Convene 155 Bishopsgate in London's City district. Stylish conference venue accommodating 400+ guests.

The two expansive multi-purpose floors, with 12 rooms, can accommodate large groups of 600 (floor one) and 475 (floor two) for events and exhibitions effortlessly while state of the art tech and digital screens provide a step-change in terms of branding, flexibility and creativity.

As with all of our meeting and conference venues, our award-winning team are onsite to ensure your event runs seamlessly.

Modern Finsbury Suite with black tables, ideal for conferences and meetings.

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Finsbury Suite at Convene 155 Bishopsgate, spacious venue for conferences and banquets.

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Modern Finsbury Suite at Convene 155 Bishopsgate, ideal for meetings and networking events.

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Finsbury Suite at Convene 155 Bishopsgate, modern event space for conferences and workshops.

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Modern Finsbury Suite at Convene 155 Bishopsgate, ideal for networking events and meetings.

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Theatre

Finsbury Suite

Convene 155 Bishopsgate

Convene 155 Bishopsgate Meeting Spaces

Luxury meeting spaces at The Langham London. 23 event spaces blending tradition & modernity in central London for up to 400 people.

The Grand Ballroom at The Langham, London is an exquisite venue perfect for hosting a variety of events, including weddings, corporate meetings, and grand celebrations. With its elegant decor and stunning chandelier, the ballroom creates a romantic and sophisticated atmosphere for any occasion. The space is adaptable, allowing for both intimate gatherings and larger receptions, accommodating up to 375 guests. The dedicated team of wedding specialists and event planners ensures that every detail is meticulously handled, making it an ideal choice for those looking to create unforgettable memories. Whether you are planning a lavish wedding or a professional conference, the Grand Ballroom offers a luxurious setting that will impress your guests and provide a memorable experience.

Grand Ballroom at The Langham, London: elegant space for upscale events and meetings.

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Grand Ballroom at The Langham, London: elegant wedding venue with high ceilings and luxury decor.

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Grand Ballroom at The Langham, London: elegant wedding venue with luxurious chandelier.

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Grand Ballroom at The Langham, London: elegant banquet hall for weddings and galas.

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Grand Ballroom at The Langham, London: elegant wedding venue with floral decor and cake display.

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Dining

Grand ballroom

The Langham, London

The Langham London Meeting Spaces

Premium meeting spaces at QEII Centre Westminster. Professional venue for 400+ delegates near iconic London landmarks. Book today.

The self-contained third floor comprises the Britten, Fleming and Whittle rooms which can be combined to present a range of versatile event spaces. These adaptable rooms can be combined to present a range of versatile events including large conventions, large conferences and shell scheme exhibitions. When combined, the Fleming and Whittle can host up to 1,300 delegates.

These three rooms combined create the largest and most striking event spaces, with the double height windows in the Britten offering stunning backdrop for exhibition stands, as well as the networking and catering breaks.



Large audience at professional event in QEII Centre with impactful staging, branding, and networking.

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Third Floor conference at QEII Centre with engaging audience and prominent screens.

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Conference space with purple chairs for annual seminar at QEII Centre.

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Event space with stage and dual screens, ideal for corporate meetings and conferences.

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Elegant banquet setup with tables and greenery for corporate events at QEII Centre.

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Third Floor (Fleming, Whittle & Britten)

QEII Centre

QEII Centre - Meeting Spaces London

Premium meeting spaces at Nobu Hotel Portman Square, London. Stylish Marylebone venue with versatile event spaces for 400 people.

Please see our floor plans and capacities below: we have included both original and currently social distancing compliant capacities for your convenience. Contact our dedicated team to discuss any questions about the layouts and capacities, and to book your meeting venue in West London



Elegant ballroom at Nobu Hotel Portman Square for corporate events and presentations.

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Ballroom at Nobu Hotel Portman Square, modern design for conferences and seminars.

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Modern conference room at Nobu Hotel, ideal for corporate events and presentations.

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Elegant ballroom at Nobu Hotel Portman Square, perfect for corporate events and celebrations.

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Elegant banquet hall at Nobu Hotel, perfect for formal dinners and conferences.

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Ballroom

Nobu Hotel Portman Square

Nobu Hotel Portman Square Meeting Spaces

Modern meeting spaces at 10 Union St., London Bridge. 13 flexible rooms with stunning atrium for corporate events up to 400 people.

The Main Hall, located on the third floor of a historic hop warehouse, offers high ceilings, large windows and skylights that bring in plenty of natural light. With view of the Shard, this versatile space can accommodate up to 300 guests for conferences, meetings, workshops, and exhibitions. The combination of modern amenities and unique character makes it the ideal setting for business events, offering both a professional atmosphere and a memorable experience for your team or clients. 