Mary Sumner House

Mary Sumner House is a conference venue in Westminster, London, offering nine meeting and event spaces with a maximum capacity of 120 people. The Conference Hall accommodates up to 120 in theatre layout, while the Rosa Parks Room provides a more contained setting for up to 36. Natural light and neutral tones run through the spaces, and on-site facilities include AV equipment, a sound system, flatscreen display screens, high-speed internet, and air conditioning - a practical combination for presentations and structured meetings alike. St. James's Park Underground Station is a nine-minute walk away, with Westminster Underground Station reachable in eleven minutes, making the venue straightforward to reach by public transport. London City Airport is approximately 40 minutes by car. Westminster Abbey is a seven-minute walk, and Big Ben is around eleven minutes on foot - a reminder that, for delegates arriving from further afield, the surrounding area offers a distinctly recognisable part of central London.