Stylish restaurant interior with cozy booths, perfect for private dinners and events. - Banner

Outdoor Birthday Party Venues in London for 400 people

Explore top outdoor birthday party venues in London for 400 guests. Perfect settings for memorable celebrations.

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Trending Outdoor Birthday Party Venues in London for 400 People

Discover the perfect outdoor birthday party venues in London, ideal for hosting up to 400 guests.

  • SEA LIFE London Aquarium - image
    From £175 per person500

    An undersea-themed venue in central London, ideal for events from 50 to 750 guests.

  • Regent's Events - image
    Westminister, Camden

    Regent's Events

    From £120 per person2,000

    Expansive, award-winning outdoor space in Regent's Park for up to 2,000 guests. Ideal for summer events.

  • Chelsea

    Bluebird Chelsea

    From £10,000 per person500

    A chic restaurant with atrium ceiling on Kings Road. Ideal for private parties, receptions, and dinners.

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  • Bankside

    Hilton London Bankside

    From £85 per person700

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

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  • The City of London

    Leonardo Royal Hotel London City

    From £82 per person500

    A large, versatile auditorium in a central hotel, perfect for conferences and events up to 450 guests.

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  • Covent Garden

    Somerset House

    From £35,000 per person1,500

    A grand, iconic courtyard in a historic arts centre. Ideal for large-scale events.

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  • Marylebone

    One Marylebone

    From £14,000 per person500

    A grand, flexible hall in a historic church with mosaics and stained glass. Seats 300, holds 450 standing.

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  • Kensal Green

    Paradise by way of Kensal Green

    From £10,000 per person600

    A versatile event space for parties, weddings, and corporate functions with award-winning food and cocktails.

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