From January art fairs to May craft and photography showcases, London’s winter–spring 2026 calendar  offers a rich programme of design, art and craft events. Whether you are a collector, creative professional, or cultural explorer, the city hosts world-class fairs and exhibitions across iconic venues such as Somerset House, Battersea Park and Olympia London. Below is a curated guide to the key design and art events in London from January to May 2026 , including dates, locatio