• KAJIZUKA Masayoshi
    Dept. of Systems and Information Engineering, University of Tsukuba
  • ARITA Tomokazu
    Dept. of Faculty of Engineering, Information and Systems, University of Tsukuba

Bibliographic Information

Other Title
  • 集合住宅の環境性能における消費者重要度と不動産価格の関連性に関する研究
  • 集合住宅の環境性能における消費者重要度と不動産価格の関連性に関する研究 : 自治体版CASBEEの評価結果を用いた実証分析
  • シュウゴウ ジュウタク ノ カンキョウ セイノウ ニ オケル ショウヒシャ ジュウヨウド ト フドウサン カカク ノ カンレンセイ ニ カンスル ケンキュウ : ジチタイバン CASBEE ノ ヒョウカ ケッカ オ モチイタ ジッショウ ブンセキ
  • -自治体版CASBEEの評価結果を用いた実証分析-
  • -Empirical analysis using the assessment data of CASBEE for local municipalities-

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 Prompting energy saving measures for buildings is an important policy issue because the emission of CO2 from the building sector rose 33.5% from 1990 to 2013 in Japan. The market value for environmental performance of green buildings should be recognized in order to promote voluntary environmental consideration by private developers. It is because if the pro-environmental investment by private developers reflects the real estate prices and pays off, the environmental consideration will be diffused by market mechanism. The purpose of this study is to clarify the relation between real estate prices and environmental performance of the condominiums. We utilize the assessment data from Comprehensive Assessment System for Built Environment Efficiency (CASBEE), and analyzed relation between new-built condominium's price and assessment results of CASBEE by path analysis.<br> The methods of this study are as follows: 1) we conducted interviews to stakeholders related to condominium design about recognition of the market value of the environmental performance. Based on the result of this survey, we set the hypothesis: The environmental performances that consumers recognize as being important have market value.) 2) We selected three areas for our analysis, which are Tokyo metropolitan area (Yokohama city, Kawasaki city, Saitama city and Chiba city), Nagoya area (Aichi pref. and Nagoya city) and Kansai area (Osaka pref., Osaka city, Hyogo pref. and Kobe city). The building type we chose for our analysis is new-built condominium that has more than 2,000 square meters of total floor area. Data resources about condominiums such as environmental performance data, price data, location data etc. are different in Japan. Therefore, we conducted matching among different types of data resources for our analysis.<br> Research results are as follows, 1) It was clarified that the environmental performance highly regarded by consumers and real estate prices are proportional relationship. 2) The environmental performance is influenced by business scale of developers and location. In order to promote the environmental performance of which the market value is not highly recognized, it is necessary to introduce a subsidy policy.


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