Heritage Open Day: Visit the recently conserved Barts North Wing in this special open day. The Hogarth Stair and Great Hall will be open to visit for free. See the amazing work by William Hogarth and learn about the history and architecture of the building. Barts North Wing houses two of England’s most important interiors, the Great Hall, and the Hogarth Stair with its large paintings by William Hogarth. Drop-in to the building between 10am and 4pm for this free open day.