CASBEE-UD, a new member of “CASBEE family”, is developed to assess the environmental efficiency of planned projects consisting of multiple buildings and public areas. Its particular emphasis is on the outdoor environment and compound function of group of buildings. This tool inherits the general framework of other CASBEE tools, such as the assessment by BEE defined as the quality of buildings performance divided by the environmental load. It enhances well-balanced planning of urban projects, so that it can contribute to the realization of sustainable cities.
