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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 you meeting and event spaces located in the heart of Westminster.

Our impressive building overlooks St James's Park and is located just minutes from HM Treasury, the Houses of Parliament and Horse Guards Parade.

We have a range of flexible rooms which are ideal for hosting lectures, conferences, meetings, away days, seminars and training courses as well as evening drinks receptions and fine dining events.

Our event spaces

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

    Catering by Ampersand

  • day packages

    Day packages

    Business package - from £25.00 per person

    Premium package - from £29.00 per person

    Buffet package - from £39.45 per person

    Evening packages

    Dinner packages - from £58.00 per person

    Drinks packages - from £12.75 per person

    *Please note, our catering prices exclude VAT

  • menus


    Coffee breaks


    Working lunches


    Fine dining

    Evening receptions

    Wine list

    *Please note, our catering 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.

Event space information