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Finding the perfect conference venue room in London for 300 people can elevate your event to new heights. With a diverse range of spaces available, you can choose from modern facilities equipped with the latest technology to more traditional settings that offer character and charm. Consider factors such as location, accessibility, and amenities when selecting your venue to ensure a seamless experience for all attendees.

London

United Kingdom

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

TRANSPORT

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

LANDMARKS

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

CULTURE

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

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

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

Conference Venue Rooms in London for 300 people

Conference Venue Rooms

A versatile, naturally lit gallery space with exposed beams, ideal for networking and events.

The Little Gallery is our second space with stunning exposed beams and flooded with natural daylight. The space comes with draping making it easy to transform into a dark space for presentations and awards.

Connected to the Great Gallery via the Great Gallery Courtyard, this space is great for networking pre-dinner, exhibition space to main plenary or used in conjunction with East Mall 1 for the main room in a conference.

Perfect for all types of events; being in the centre of the building this area is great when used in conjunction with other spaces to ease the flow of guests.

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Reception

Events

Little Gallery

Tobacco Dock

A vibrant ballroom for up to 300 guests in a central London hotel, ideal for dinners and celebrations.

Hyde Park is the perfect space for dinner and dance events, accommodating up to 300 delegates in a vibrant and elegant setting. Located at the Thistle Marble Arch, just moments from the iconic Oxford Street, this venue offers a unique blend of sophistication and convenience. Our dedicated events team is committed to crafting a personalised and bespoke experience for every occasion, ensuring your event is memorable. With complimentary Wi-Fi, air conditioning, and adjoining catering space, every detail is taken care of. Enjoy the flexibility of our ballroom and bar, perfect for hosting everything from intimate dinners to grand celebrations. With 692 bedrooms and 13 versatile meeting spaces, Thistle Marble Arch is the ideal choice for your next event in the heart of London.

Hyde Park meeting room with round tables, ideal for conferences and workshops.

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Hyde Park event venue with elegant carpets, perfect for networking receptions and cocktail events.

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Dining

Hyde Park 

The Marble Arch Hotel by Thistle

A modern, versatile event space with natural light and high-tech amenities for conferences, meetings, and product launches.

Recently renovated, functional, high tech, very light and modern with plenty of natural daylight - This event space is perfect for conferences, meetings, exhibitions & product launches. 
The Primrose Hill is conveniently located on the ground floor, accessible from the main hotel lobby with 2 main entrance options for easy access.

The Primrose Hill suite breaks into 3 equal sections, all of which can be hired individually if your event requires a smaller size room. 

Modern meeting space at Primrose Hill Marriott, perfect for conferences and workshops.

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Elegant buffet setup in Primrose Hill event space, ideal for networking and receptions.

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Versatile meeting space at Primrose Hill Marriott, ideal for corporate workshops and presentations.

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Meeting room at Primrose Hill Marriott, featuring elegant chandelier for workshops and presentations.

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Elegant event space at Primrose Hill, London Marriott, ideal for bridal showers and team events.

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Theatre

Business

The Primrose Hill

London Marriott Hotel Regents Park

A spacious, pillar-free event suite with advanced AV tech in a green hotel near Tower Bridge.

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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Trinity & Goodmans Suite

Leonardo Royal Hotel London Tower Bridge

A bright ground-floor event space with pitch views, ideal for dining and adaptable events.

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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England Room

Kia Oval

A luxury hotel venue with flexible spaces for events from intimate gatherings to large celebrations.

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

A versatile suite with pitch views at Chelsea FC, ideal for large conferences and meetings.

The Canoville Suite is an excellent option for conferences and meetings with breathtaking views overlooking the pitch. The Canoville Suite can accommodate up to 250 delegates in a cabaret layout and 400 delegates in a theatre style layout.

The space also features direct access into the stands allowing guests to enjoy some fresh air during their breaks.

Our catering partners levy are onsite and can offer an excellent range of catering options to suit your event. Whether its a grab-and-go style lunch or a street food concept we will ensure your delegates are fed and watered throughout.


Canoville Suite at Chelsea FC: modern meeting space with stadium views for corporate events.

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Canoville Suite at Chelsea FC: modern event space with sports field view for corporate meetings.

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Canoville Suite at Chelsea FC, spacious banquet venue with round tables for events.

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Canoville Suite at Chelsea FC: modern event space with stadium views for corporate meetings.

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Canoville Suite at Chelsea FC, spacious venue for conferences and banquets with natural light.

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Canoville Suite 

Chelsea Football Club

A spacious Art Deco ballroom with natural light, ideal for large events and networking in central London.

Walk up the imposing lobby staircase of this Art Deco hotel to find Great Western 1 ballroom, located on the first floor, waiting to host your guests. With 282 sq. metres of space this pillar-less meeting room, filled with natural daylight, can take up to 350 guests. Enjoy the comfortable chairs and multipurpose tables and use the dedicated foyer are for pre- or post-event networking, coffee breaks or a hearty lunch for your guests. The closely located cloak and rest rooms and fully equipped business centre, ensures you will have everything you need at hand. 

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Great Western 1

Hilton London Paddington

A flexible 800-capacity suite in a prime London hotel, ideal for large conferences and events.

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

The Main Hall is a versatile event space located on the third floor of a historic hop warehouse, featuring high ceilings, large windows, and skylights that fill the room with natural light and offer views of the Shard. Ideal for a range of events, it accommodates up to 300 guests for exhibitions, product launches, screenings, and more. Its flexibility and striking design create a perfect environment for making any event unforgettable. 