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Finding the perfect prom venue in London for 400 guests can be an exciting yet challenging task. With a vibrant array of options, from elegant ballrooms to contemporary spaces, you can create a memorable experience. Consider factors like location, accessibility, and amenities when selecting your venue. London's rich cultural backdrop adds charm to any event, ensuring your prom night is unforgettable.

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.

Prom Venues in London for 400 people

Prom Venues

An opulent Art Deco ballroom in central London, ideal for large events, weddings, and corporate parties.

Flexible event spaces all adorned in Art Deco theming, The Ballroom at The Bloomsbury Ballroom is a stunning venue perfect for a variety of occasions. Nestled in the heart of Bloomsbury, just a stone's throw from London's vibrant West End, this iconic space can accommodate up to 700 guests in a reception-style layout. Whether you're planning a corporate event, an elegant wedding, a glamorous award ceremony, or a dynamic product launch, our dedicated events team will tailor bespoke packages to meet your needs. With high ceilings and listed features that evoke the grandeur of the 1920s, The Ballroom offers a unique event experience that will leave a lasting impression. Elevate your gathering with live cabaret shows or host a fashion show in this atmospheric setting. Choose The Bloomsbury Ballroom for an unforgettable event in one of London's most unusual venues.

Elegant Bloomsbury Ballroom banquet hall with floral centerpieces for weddings and galas.

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Spacious Bloomsbury Ballroom with polished floors, ideal for events and receptions.

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The Bloomsbury Ballroom: grand venue with lush greenery for corporate events and conferences.

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The Bloomsbury Ballroom stage with checkered floor, ideal for corporate events and presentations.

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Reception

Events

The Ballroom

The Bloomsbury Ballroom 

A grand, flexible ballroom in Mayfair for large events, weddings, and meetings with elegant decor.

Located in the heart of Mayfair, the hotel boasts an air of elegance.  In London's most exclusive address, whatever type of wedding you are planning - from a small, intimate gathering, to a large - extravagant party - We are the perfect backdrop. When you celebrate your special day with us you don't need to worry about a thing - our wedding team will take care of all the small details. Our unique ballroom elegantly complimented with three stunning crystal chandeliers and can be divided into three separated spaces for ultimate flexibility, or can be used as one magnificent room.

Elegant dessert centerpiece with smoke effects at Westminster Ballroom, upscale event setting.

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Elegant banquet setting with tall floral centerpieces at Westminster Ballroom, London Marriott.

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Elegant banquet hall at London Marriott, ideal for weddings and corporate events.

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Westminster Ballroom at London Marriott: spacious meeting room for conferences and workshops.

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Theatre

Weddings

Westminster Ballroom

The London Marriott Hotel Grosvenor Square

A luxurious ballroom in a central hotel, ideal for weddings and grand receptions up to 800 guests.

Perfect for more intimate affairs or grand receptions, The Dorchester wedding experience is as luxurious as they come. With in-house floristry, hair stylists and one of the best spas in the city, a complimentary wedding night accommodation, it's the perfect spot for a every event in your wedding. Teams of chefs and sommelier will assist in creating the ideal menu for your wedding so that every detail is to your liking. Everything here is designed for the most grown-up and glittering celebration of your life. There is room for up to a 800 in the ballroom for a standing reception.  

Elegant ballroom with marble flooring, perfect for corporate events and receptions.

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Elegant banquet hall at The Dorchester, perfect for weddings and galas.

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Elegant foyer with grand staircase in The Dorchester Ballroom for upscale events.

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Elegant ballroom with domed ceiling, perfect for weddings and corporate events.

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Elegant ballroom at The Dorchester with chandeliers, perfect for weddings and formal events.

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Dining

The Dorchester

A luxurious ballroom with elegant decor and AV tech, ideal for events from intimate to grand.

Whether you're planning an intimate wedding for 6 or a grand event of 600, every couple we look after is at the start of a unique journey.  Our pleasure is to ensure we ask the right questions, listen, and help deliver a package that suits you.
Extraordinary, custom-designed chandeliers adorn its 6 meter tall, elegant ceilings, each linking together to create a unique and dramatic 'ceiling-scape.'
Complete with in-house, start of the art audio-visual technology, the Ballroom easily opens out to  a charming balcony and luxurious lobby areas, affording you and your guests truly magical views.

Bankside Ballroom at Hilton London, elegant event space for upscale galas and corporate events.

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Elegant Bankside Ballroom ceremony setup with chiavari chairs and floral archway for weddings.

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Elegant wedding venue at Hilton London Bankside with floral aisle and chandelier.

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Bankside Ballroom setup for a formal event with elegant chairs and floral centerpieces.

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Bankside Ballroom

Hilton London Bankside

An elegant, versatile Art-Deco Ballroom in Knightsbridge for special occasions, conferences, and events.

Adorned with impressive chandeliers and ornate wall lights, the newly refurbished Art-Deco styled Ballroom offers an elegant, classic setting. Suitable for any special occasion or conference. Event organisers will appreciate the fully customisable LED ceiling lighting, the private entrance and the option for exclusive use of the function space with all rooms on the same floor. Versatile as well as eye-catching, The Ballroom can be used as onelarge space or divided into three separate soundproofed suites –Salisbury, Knightsbridge, Westbourne.

Conference room at Jumeirah Carlton Tower, elegant setup for corporate events and workshops.

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Elegant banquet hall at Jumeirah Carlton Tower, perfect for weddings and corporate events.

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Business

Jumeirah Carlton Tower

A grand Art Deco venue in central London for elegant Christmas parties, hosting up to 400 guests.

This amazing Grade II listed venue is guaranteed to impress with the sheer scale and grandeur of its setting. Join us this festive season for a sensational party experience at the most iconic art-deco building in the heart of central London. We offer standing events for up to 400 guests and seated events for up to 220 guests. 

Picture yourself surrounded by the splendour Art Deco architecture, where every detail from the gilded accents to geometric patterns whispers of this golden era. This celebration offers an unforgettable night of elegance against the backdrop of this iconic masterpiece. 

Christmas party setup at Freemasons' Hall with elegant tables and dramatic lighting.

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Elegant Christmas party setup with floral arrangements and purple lighting at Freemasons' Hall.

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Christmas party at Freemasons' Hall with elegant decor and vibrant lighting.

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"Christmas party dance performance at Freemasons' Hall with vibrant decor and ambiance."

Prom Venues in London for 400 people

Trending Prom Venues in London for 400 People

The Bloomsbury Ballroom

The London Marriott Hotel Grosvenor Square

The Dorchester

Hilton London Bankside

Jumeirah Carlton Tower

The Golden Era at Freemasons' Hall

8 Northumberland Avenue

Plaisterers’ Hall