抄録
Today, in Tokyo-ku-area, there is a lots of districts that small site detached and row houses congested allocate. These districts are generally called "small site detached and row houses congested area" that one of typical type of bligted area. The purpose of this paper is to study the conceptual framework of improvement policy by presenting the findings of a case-study in this area. So, through survey "Y" district, typical small site detached and row hoses congested area, and get some facts. According to these results, it is able to be difined "self-help housing improvement action by owner-occupant" as follow as ; (1) The hypothetical conception is consisits of three primary element, "the chance", "the ability", and "the limitation". (2) Owner-occupants are required improvement by family life stage, is called "the chance". (3) The degree of feasibility of housing improvement is concerned with domestic economics, it is able to be given a general name "the ability". (4) "The limitation" means that housing improvement as possible as they wish restricted by housing tennure, lot area etc. And a framework of policy is arranged from view point of this conception.
