About Exhibition Clerkenwell Design Week 2026 will be held from 19th - 21t May 2026 at the Museum of the Order of Saint John London, United Kingdom. This is one of the largest trade expo and exhibition showcases leading UK and international brands and companies in a series of showroom events, exhibitions and special installations that take place across the area. It is a leading independent design festival and annually attracts the international design community to the area for three days of exciting events.