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London's best large venues

They say go big or go home. But finding a large venue in London that ticks every box is no small task. The city has no shortage of options, but when you're planning an event for hundreds of guests, the stakes are higher and the details matter more. From converted theatres and riverside conference centres to grand hotel ballrooms and purpose-built event spaces, London's large venues span every style and setting imaginable.


Whether you're organising a company-wide conference, an AGM, a large-scale awards evening, or a landmark celebration, this edit covers the best large venues in London available to hire.


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the mermaid london large london venue
the mermaid london large london venue 2

1. A 600-seat City of London auditorium for conferences and large-scale events: The Mermaid London

Blackfriars

The only auditorium of its kind in the City of London, The Mermaid's centrepiece space seats 600 and carries the kind of acoustic and sightline credentials you'd expect from a venue that started life as a theatre — the first built in the City since Shakespeare's time.


The stage is genuinely large-scale: think car unveils, full orchestras, or major brand moments. Full AV production is handled in partnership with Rockit Event Production, while Seasoned provides catering across the venue's five event spaces. For larger programmes, the adjacent River Rooms offer Thames views — Tate Modern, The Shard, and Shakespeare's Globe among the skyline — accommodating receptions, dinners, and breakout sessions for nearly 2,000 delegates across the full venue.



A grand London venue fit for a king: Eltham Palace1
A grand London venue fit for a king: Eltham Palace image 2

2. A grand London venue fit for a king: Eltham Palace

Lewisham

Art Deco meets medieval in this unique mansion. Immerse yourself in this historic spot that once housed the infamous Henry VIII and is home to London’s oldest bridge over a moat.


The Entrance Hall is available for up to 120 private hire – head back to the 1930s and enter the circular wood-panelled room to welcome your guests with drinks and canapes. For a royal experience, French doors open onto a terrace for guests to enjoy the gardens for a royal experience.


This space has hosted a range of successful projects from ITV’s ‘Jekyll and Hyde’ to serving as a royal backdrop to Netflix’s ‘The Crown’. For a venue that promises to impress, this one’s for you.



This large London venue is out of this world: The Science Museum1
This large London venue is out of this world: The Science Museum image 2

3. This large London venue is out of this world: The Science Museum

South Kensington

For a truly unique venue space, host your event at The Science Museum. This progressive space is perfect for large-scale events due to its open plan and plentiful spaces, and out-of-towners will love this London landmark.


Try Illuminate, the museum's new blank canvas area. This flexible space has industrial decor with silver piped ceilings and can accommodate 450 guests. Enjoy its large windows that fill the room with light and offer panoramic views of the city.


For something more historic, hire Making The Modern World, an open space for 750 that chronicles inventions of modern society.



Sugar Studios Limited The Big Space
Sugar Studios Limited The Big Space

4. A large London venue for everything from music videos to conferences: Sugar Studios

Greenwich

The Big Space at Sugar Studios is a large-scale event space commonly used for music videos, rehearsals, or concerts, as well as more professional corporate events like conferences or gala dinners. The space can host up to 220 guests seated or 437 standing. With a private mezzanine, chill out area, kitchen, private showers and toilets, washing machine and a green room, the options are truly endless for this blank canvas space.



Host your large event under Victorian railway arches: The Steel Yard1
Host your large event under Victorian railway arches: The Steel Yard image 2

5. Host your large event under Victorian railway arches: The Steel Yard

Monument

Spacious and historic don't usually come hand-in-hand, but The Steel Yard gives you the best of both worlds.


This venue is comprised of three beautiful Victorian railway arches and can be hired for any type of event. Whether a product launch, fashion show or a live stream, this unique venue acts as a dramatic backdrop to your event.


With a state-of-the-art sound system and in-house lighting, the Steel Yard truly provides a blank canvas to make your event exactly how you want. This venue is over 3000 square feet and accommodates up to 800 guests.



Hire London large venues for your big event

Sometimes a large event requires a large venue. Fortunately, London has more than enough big and large spaces to cater to your event. From huge London halls to big event spaces in the centre of London, these top picks won't let you down. Go big or go home.

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