Abstract
This study is mainly considered in the points that follow, through a questionnaire survey to elderly residents who have chances of housing improvement and repair work by themselves, so-called do-it-yourself. 1. Enormously many handrails, especially of staircase are set as to housing improvement and repair work for aging of them. 2. The most period of a work ranges from 2 to 5 hours. The most cost for each work ranges generally from 2 to 5 thousands yen, but it for wall or equipment work from 20 to 50 thousands yen. 3. Average cost for each work by an hour is about 2 thousands yen. 4. Even experienced residents commission professionals to a work in case not only that it demands many kinds of craftsman but also that they feel more easy about doing it by professionals than themselves. 5. Cheaper materials, clear materials of qualification, or proposals equal to them promote the work more popular.
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