This paper aims to clarify how the living space of the townhouses is used during float festival, the characteristics of the space for watching it, and their transformations. Findings are as follows. First, the living space is open to the street, which has become more prominent at present. Hospitality has not changed, but the visitor type has been unified and fixed. Second, basically, the watching space faces the street. In addition, view of the street, daily use and floor finishing affect its selection. At present, a new watching space appeared with the change of living space.
