Lecture Theatre

One Birdcage Walk

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Lecture Theatre at One Birdcage Walk with red chairs, ideal for conferences and presentations.
  • From £2585
  • 210 Theatre
  • Westminster Station
  • From £2585
  • 210 Theatre
  • Westminster Station
Fixed tiered theatre seating for 210 delegates with included Marble Hall networking space and full AV package in Westminster's heart.
Anna Suñé Urbistondo
Anna Suñé Urbistondo

Venue Expert @ Hire Space

  • St James's Park views
  • Ground floor accessibility
  • Professional staging area with lectern
  • Fixed tiered seating for 210 delegates
  • Marble Hall and Gallery for registration and networking
  • On-site AV technician included
  • Complete audio visual package included

Located on the ground floor of the building, the Lecture Theatre has fixed tiered seating for up to 210 guests. Perfect for Launches, Lectures, Conferences and Workshops.

The room hire includes the use of the Marble Hall and adjoining Gallery located on the lower ground floor for registration and catering, a technician during the hours booked and audio visual equipment (data projector, lectern, 6 top table microphones, 2 hand held radio microphones, 4 tie clip radio microphones, laptop)




Frequently asked questions

The Lecture Theatre costs £4,400 (VAT exempt) for full day hire from 8:30am to 5:30pm, or £2,585 (VAT exempt) for half day hire (either 8:30am to 1pm or 2pm to 5:30pm). This includes use of the Marble Hall and adjoining Gallery for registration and catering breaks, a technician on hand for the duration of your event, and comprehensive AV equipment including projector, lectern with mic, 6 top table microphones, 3 handheld radio microphones, 4 tie clip radio microphones, and laptop use.

The Lecture Theatre has fixed tiered theatre-style seating for up to 210 delegates. The seating is permanent and cannot be reconfigured into other layouts like cabaret or boardroom style. The space is located on the ground floor with natural light.

Yes, the hire automatically includes use of the Marble Hall and adjoining Gallery on the lower ground floor. This space accommodates up to 200 people for standing receptions and is used for registration, catering breaks, and networking. The Gallery is built in the style of a Venetian palace with antique Sienna pilasters and onyx panels.

Standard AV equipment is included in the venue hire: data projector, lectern with microphone, 6 top table microphones, 3 handheld radio microphones, 4 tie clip radio microphones, and laptop use. A technician is provided throughout your event. Live streaming requires third-party suppliers who must schedule site visits, provide PLI & PAT testing certification, and complete risk assessments.

All catering is provided by Company of Cooks, the in-house caterer. Day Delegate Rates start from £38.80 + VAT per person and include arrival refreshments, mid-morning break, working lunch, and afternoon break. Guests cannot bring external food back into the venue if they go off-site for meals. All catering prices are subject to VAT.

Standard venue hours are 8:30am to 5:30pm for full day hire, with half-day options of 8:30am to 1pm or 2pm to 5:30pm. Time extensions beyond these hours are available at additional cost, though specific extension rates are not detailed in the standard pricing.

Yes, but external AV suppliers must schedule a site visit with an OBW technician to discuss setup requirements. They must provide their own equipment, current PLI & PAT testing certification for all equipment, and complete a risk assessment. This is particularly relevant for live streaming or hybrid event requirements.

The venue takes bookings up to 12 months in advance. Provisional holds can be placed on dates while you finalize details. The venue may decline bookings that are very last minute or don't meet their minimum budget requirements, as indicated in their correspondence with potential clients.

The venue is suitable for professional events including conferences, lectures, seminars, corporate training, and presentations. However, they may decline certain types of events or those that don't align with their venue standards, as evidenced by their selective booking approach.

The Marble Hall and Gallery provide dedicated space for registration with room for registration tables. The space can accommodate up to 200 people for standing receptions and networking breaks. A cloakroom is available next to the Marble Hall & Gallery, with options for unmanned self-service or fully staffed service.




More about One Birdcage Walk

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.