Elegant ballroom at Nobu Hotel Portman Square for corporate events and presentations. - Banner

Sustainable Meeting Rooms in London for 400 people

Explore sustainable meeting rooms in London for 400 people that prioritise eco-friendliness and professionalism.

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Trending Sustainable Meeting Rooms Venues in London for 400 People

Discover sustainable meeting rooms in London that cater to up to 400 attendees.

  • Hilton London Tower Bridge - image
    From £99 per person450

    A bright, adaptable suite with stunning views, ideal for meetings and intimate events.

  • De Vere Grand Connaught Rooms  - image
    From £140 per person540

    A grand, opulent hall in Covent Garden for large events, featuring high ceilings and elegant decor.

  • Park Lane

    London Hilton on Park Lane

    From £69 per person500

    Wellington Ballroom & Harvest Suite is very suitable for a medium size wedding. Ceremony can be held in the Wellington Ballroom with the stunning Park Lane view and the Harvest Suite is very ideal for a reception drink after. Please contact the Conference & Events Sales team for further information.

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  • Holborn

    Rosewood London

    From £130 per person430

    A luxurious, flexible ballroom in a historic building, accommodating up to 555 guests.

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  • 229 Great Portland Street

    ISH Venues

    From £45 per person550

    A versatile 300-seat space in central London, ideal for conferences, launches, and exhibitions.

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  • West End

    No.11 Cavendish Square

    From £105 per person400

    Modern, versatile conference space with courtyard in a Georgian townhouse. Ideal for large events.

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  • Regent Street

    The Langham, London

    From £7,500 per person2,891

    A luxurious grand ballroom in a historic hotel, ideal for weddings and corporate events up to 375 guests.

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  • Moorgate Place

    One Moorgate Place

    From £4,000 per person400

    A historic hall with a 400-capacity, perfect for conferences, seminars, and presentations.

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