The Tsuji Residence Renovation, completed in 1974, stands as a noteworthy residential project by the Nakajima Tatsuhiko Architectural Office. Located in Iwamuro, Sayama Town, Minamikawachi District, Osaka Prefecture, this residence exemplifies the innovative design sensibilities of mid-1970s Japanese residential architecture. The renovation demonstrates thoughtful spatial planning and contemporary design principles characteristic of the period. The project reflects the architectural philosophy of transforming existing structures while maintaining functional living spaces. For architecture enthusiasts, this residence offers insight into post-war Japanese residential design approaches and the evolution of domestic architecture during an important transitional period in Japan's built environment.