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40th Birthday Party Venues in London for 300 people

Discover stunning 40th birthday party venues in London for up to 300 guests.

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Trending 40th Birthday Party Venues in London for 300 People

Celebrating a 40th birthday is a milestone worth commemorating, and London offers an array of venues perfect for hosting up to 300 guests.

  • The Waldorf Hilton, London - image
    From £110 per person500

    The Waldorf Hilton is the perfect setting for refined celebratory events. Delight guests at private parties and lavish celebrations in the Adelphi Suite, an extraordinary venue for up to 400 guests. The Adelphi Suite, with its state of the art lighting, is the perfect venue for the conference, exhibitions and dinner dances. It can be separated into three separate rooms and Adelphi as a whole can hold up to 380 banquet-style or a glittering reception for up to 500 guests. You can now hire the Adelphi Suite along with Palm Court for same price if you wish to hold a large-scale event.

  • temper City - image
    From £8,000 per person300

    A spacious, fire-pit kitchen restaurant in the City, ideal for private events up to 300 guests.

  • Knightsbridge

    Buddha Bar London

    From £15,000 per person400

    A luxury restaurant for up to 300 diners, ideal for celebrations and corporate events.

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  • Chancery Lane, City

    113 Chancery Lane

    From £2,750 per person300

    A grand, versatile event space with chandeliers and marble pillars. Ideal for ceremonies and receptions.

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  • Tower Hill

    HM Tower of London

    From £3,900 per person300

    A historic flexible conference space with natural light, accommodating up to 200 guests.

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  • 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.

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  • West End

    No.11 Cavendish Square

    From £110 per person300

    Modern conservatory with glass ceiling and private courtyard. Ideal for weddings and receptions.

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  • Dalston

    EartH

    From £3,000 per person300

    As a purpose-built restaurant, this fresh and light space can compliment your dining requirements. It's perfect for a private dining experience, supper club, conference/ meeting catering area. With multiple set up configurations and large bar this event space is perfect for all catering events up to 300 guests.

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