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Paper short abstract

Given that the double aging of the resident population and the deterioration of buildings are expected to become more serious in the future. The purpose of this study is to understand the location and management status of "dilapidated apartment buildings."

Paper long abstract

Since the period of rapid economic growth in Japan, there has been a continuous movement of population to metropolitan areas, and since the 1970s, a large number of mid- to high-rise apartment buildings (condominiums) have been supplied as housing for the influx of people into urban areas. Many of these apartment buildings are now in need of major repairs and renovations, as they have been in existence for more than 50 years.

Over time, aging apartment buildings that have not undergone proper maintenance and repairs pose disaster prevention risks, such as not meeting earthquake resistance standards, and it has been pointed out that structural safety is declining due to aging. Furthermore, problems such as a decline in asset value due to aging and the emergence of vacant homes due to a decrease in tenants are becoming more serious. In addition to issues with the building and its residents, poor management can also lead to various problems, such as the abandonment of garbage and the deterioration of the surrounding living environment and urban environment.

Given that the double aging of the resident population and the deterioration of buildings are expected to become more serious in the future, understanding the actual state of double aging in aging condominiums is an urgent task in order to consider how to respond to future issues related to urban housing.

In this study, apartment buildings that are more than 50 years old are defined as "dilapidated apartment buildings. The purpose of this study is to understand the location and management status of "dilapidated apartment buildings."