This guidance is primarily intended for owners, occupiers, non-specialist building professionals, and others who take responsibility for historic buildings. It provides basic information on wall paintings and covers how to assess buildings for the potential survival of historic painted decoration. It also explains the steps that should be taken when are discovered, along with information on who to contact for assistance. Before the 20th century, wall paintings were a common form of decoration and they can survive hidden beneath later covering layers or materials. New discoveries of...