町並みの評価に潜在する既存住宅のストック化の可能性

概要

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Aim: This study investigated the influence of landscape evaluation on housing service life to attain fullgrowth over time, and considers the possibility of extending the stock of urban housing.Results: The floor-space ratio is on a strong upward trend in suburban residential areas due to the rebuildingof housing over a relatively short period, leading to a decline in the quality of the landscape. Although thecirculation of existing housing would be expected to curtail rebuilding, the extremely low turnover volume andthe poor quality of the housing unfortunately means that no such curtailing effect is seen. However, since landscape quality is gradually gaining acceptance and increasing the value of assets, theattachment of importance to landscape preservation is beginning to take root. Residents have two images offine landscapes; those that represent visual concepts, and those reflecting the individuality that results fromachieving full growth over a period of time. The former type corresponds to the concept of residential areadevelopment and creates a high level of resident satisfaction, while the latter is a cause of dissatisfactionbecause the desired landscape is not yet a reality. Residential areas with the former characteristics tend to benew, and cannot be said to be reflected in the market for existing housing at present. Consequently, there isan urgent need to set standards for the economic assessment of landscape quality.