Church House is a grand venue that was built in 1939 and features a magnificent Assembly Hall. Its capacity goes up to 550 guests with a variety of flexible event spaces. The venue is located in the heart of Westminster, and is a Grade II listed multi-purpose event and conference space, hosting almost 1,000 unique events a year. The significance of Church House as a venue is second to none. This is the venue that hosted the first meetings of the United Nations Preparatory Commission and Security Council in 1945.