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Welcome to
One Birdcage Walk

Affordable elegance in the heart of Westminster

One Birdcage Walk, home of the Institution of Mechanical Engineers, offers meeting and event spaces in the heart of Westminster.

Overlooking St James's Park and just minutes away from HM Treasury, the Houses of Parliament and Horse Guards Parade; our flexible venue can host a range of events – from lectures, conferences, meetings, away days, seminars and training courses to drinks receptions and fine dining events.

Lecture Theatre

  • Stunning wood panelled fixed tiered Lecture Theatre seating up to 210 guests

  • In built audio visual facilities and audio visual support throughout your event

  • Registration and catering in the Marble Hall and adjoining Gallery


Flexible layouts, from 5 to 60 guests

Drinks receptions

Standing receptions for up to 200 guests


Fine dining for up to 120 guests

Get that #Fridayfeeling

50% off our room hire rates!

Host your event on a Friday and enjoy 50% off our standard published room hire rates.

Friday catering offer: buy 10, enjoy catering for an additional 1 person for free.

See our terms and conditions

Catering by Ampersand

  • day packages

    Day packages

    Business - from £25.00 per person

    Premium - from £29.00 per person

    Buffet - from £39.45 per person

    Evening packages

    Dinner - from £58.00 per person

    Drinks - from £12.75 per person

    *Prices exclude VAT

  • menus


    Coffee breaks


    Working lunches


    Fine dining

    Evening receptions

    Wine list

    *Prices exclude VAT

Our dedicated Venue and Room Hire Team will ensure your event runs smoothly right from your initial enquiry through to the event day itself.