Extensions and alterations to 12th - 15th C Grade 1 listed cloth merchant's trading hall in the centre of Norwich. The project aims to improve the visitor facilities and accessibility of this important building using traditional and contemporary techniques to show the building to best advantage and help preserve it for the future. Additional accommodation provides greater flexibility in the use of the building and improves facilities for all types of visitors. Internal displays relate the story of this historic site and help interpret the development of the current building.