STUDY ON THE ESTIMATION METHOD OF RESIDENTIAL LAND USE INDEX IN TOKYO METROPOLITAN AREA

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  • ISHIZAKA KOUICHI
    Housing Environment Planning Div. Housing and Building Economy Dep. Building Research Institute, Ministry of Construction

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  • 首都圏における住宅敷地関連指標の予測手法
  • シュトケン ニ オケル ジュウタク シ

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Abstract

This paper deals with an estimation method of residential land use index in Tokyo metoropolitan area. A summary of conclusion is as follows ; (1) A ratio of apartmenthouses in total construction housing is efficiently estimated by the index of urbanization, which based on the density of household. (2) When calculating a dis-consturuction ratio of housing from statistics of housing stock and housing flow consturuction, the ratio is about 11% in case of non-apartmenthouses, and about 14% in case of apartmenthouses. And these ratios have no relationship to the urbanization index. (3) When building a formula to estimate a ratio of apartmenthouse by using the result of (l) and (2), that formula has performance for practical use. (4) And building the other formura to estimate average land area of non-apartmenthouse by using the result of (3) and other experimantal formura, that estimation fromura also has performance for practical use, in the case of some estimation purpose. (5) According to generally thinking, it is considered that the average land area of non-apartmenthouse becomes to be smaller, when urbanization is going up. But from this survey, it becomes to be clear that when the average land area of non-apartmenthouse becomes to be less than a certain value, the tendency of being smaller stops, and instead of this tendency, the raio of apartmenthouses becomes to be increasing.

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