A comprehensive assessment system was developed in order to evaluate office workers’ subjective impression and productivity in their office environment as well as meeting space, rest space and outside space. Firstly this paper introduces the logic and the way with which questions were selected, designed as scale and presented in the web site. Secondly accumulated data was analyzed to show the validity of this system, using histogram of averaged evaluation of each question for each office. Finally it was found that evaluation construction of office productivity can be explained with evaluation of other spaces of building.
