A Study of the Effect of the Introduction of the Combination Townscape Formation Type and Bonus FAR Type District Planning and the Actual Situation of the District Renewal.

Abstract

This study evaluates the effect of the combination type district planning, using as cases the districts of Kanda-Sakuma-cho and Kanda-Izumi-cho, Chiyoda-ku, Tokyo where 20 years have passed since the Combination Townscape Formation Type and Bonus FAR Type District Planning was introduced. The effect of the district planning was discussed by grasping the actual situation of the district renewal in the two districts and the actual situation of development of apartment houses which rapidly increased since the district planning was introduced. To be concrete, 1) the actual situation of building renewal in each site inside the target districts from the time of the introduction of the district planning to 2017 is grasped, using the summaries of architectural planning and Zenrin house maps. 2) Effects of district planning are evaluated by grasping the morphological characteristics of apartment houses constructed in the target districts, using the summaries of architectural planning.