One Birdcage Walk in Westminster offers versatile event spaces across multiple rooms, from intimate meeting areas to grand halls. The Council Room features Edwardian oak panelling, golden chandeliers and fireplaces, accommodating up to 60 guests for receptions or 48 for dinners. Additional spaces include the Lecture Theatre, Marble Hall, Gallery, Library and specialist rooms named after engineering pioneers. Facilities include natural daylight, air conditioning, adjacent kitchen and complimentary Wi-Fi. Full-day, half-day and evening hire available across all spaces. VAT-exempt rates start from £495 per session for smaller rooms, with larger spaces from £1650 full day. Ideal for corporate meetings, dinners, filming, photography and formal events.