One Great George Street

Category: Event venues in Central London

Business profile: One Great George Street is a premier conference and events venue in Westminster, London. As the headquarters of the Institution of Civil Engineers, our Grade II listed building blends rich heritage with the functionality required for professional and social events. Behind its grand Edwardian façade, you’ll find 21 flexible spaces equipped with the latest audio-visual technology and supported by our expert in-house teams.

We host a wide variety of events, from international conferences and corporate meetings to private dinners, award ceremonies, and filming. Our spaces cater to groups of all sizes, with the Great Hall accommodating up to 400 guests. Each event benefits from our on-site catering, AV technicians, and a dedicated planning team, ensuring everything runs smoothly from start to finish.

For weddings, we offer an elegant and timeless setting in the heart of London. Our experienced team helps couples plan every detail, from bespoke menus to floral arrangements and ceremony coordination. The building’s stunning interiors and central location provide an unforgettable backdrop for any celebration.

In addition to our event services, we work closely with a network of trusted local hotels and suppliers to enhance each client’s experience. Whether you’re planning a one-day meeting, multi-day conference, or once-in-a-lifetime celebration, we’re here to make it seamless, stress-free, and memorable.