抄録
Japan has 98 Preservation Districts for the Groups of Historic Buildings, where a number of restoration projects are implemented as the central task. This paper discusses the challenges of the restoration projects in preservation districts(PD), based on the investigation of full record of restoration projects for 15 years in Imai-cho Preservation District located in Nara Prefecture. Approx. 36 percent of the historic buildings of Imai-cho have already been restored. Nevertheless, (i) the restoration of rental houses or row houses have not well proceeded, and (ii) the restoration works have been expanded.
