住意識からみた住宅の耐用年数の考察 : 住宅管理の社会的支援に関する研究(第5報)

概要

論文の詳細を見る
This report analyzed homeowners' attitudes toward rebuilding, in an effort to shed light on 1) characteristics of Japanese housing lifespan, and 2) the reasons for the shorter housing lifespan in Japan. Respondents of questionnaire were 842 Japanese and 299 American homeowners. The average age of houses torn down in Japan was about 21 years, and owners forecasted that their current house would last about 41 years. The average forecast given by American homeowners for their homes was 2.2 times longer. The three most common reasons for rebuilding are the same for both countries: wanting a house of original plan, wanting more floor space, and accommodating changes in the family. Wanting more floor space occurs 20 years earlier than wanting to redesign, but recently the latter is on an upward trend. Not being the first owner of a house is one cause of rebuilding in Japan
社団法人日本建築学会の論文
2005-09-30