Abstract
The purpose of this study is to evaluate the effects and the realities of application of the housing redevelopment project for last thirty years in Seoul. As results of this analysis, a study shows that housing redevelopment project was activated as the introduction of joint redevelopment project. And joint redevelopment project improved many squatter housing with the capital potential and vitality of private sectors. Moreover, it played an important role in expanding housing supply. Even though oversupply of housing, it is stuck for public rental housing for the low-income bracket. Also it affects shortage of infrastructure and destruction of the community by upper-layers and high dense development. From and now, housing redevelopment project should be far toward to raise the quality of residential environment from squatter housing improvement and housing supply. It also should take a serious view of the district characteristics and strengthen the roles of public.