In contemporary society, multi-commercial complexes have been developed in various ways according to the circumstances and historical situation of different cities with a vision to implement sustainability. Design direction centered on public and common spaces proposed in recent commercial complexes has shown a tendency to perform beyond its original role, not only supporting private space, but also taking a public role. In this study, urban sustainability implemented in the perspective of architectural design was defined in three categories: environmental, social, and economic sustainability. For each category, the planned aspects of multi-commercial complexes of passive circulation system, amenity and mobility, complexity, and flexibility were analyzed. Multi-commercial complexes from the viewpoint of urban sustainability were analyzed. The results showed that they were displayed through various expansion methods of common space rather than specific programs or designated spaces. Additionally, the development aspect of expansion could be characterized by common space, boundary, ground, and context. The results of this study revealed that a planned strategy for urban sustainability did not increase the program or space quantitatively. Therefore, the possibility of extending common space in terms of quality should be seriously considered. Moreover, it is imperative to monitor its actual use after completion.
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