Higashinaga Townhouse is a minimalist residence located in Wakayama, Japan, designed by Environmental & Architectural Design Office. The site is approximately 28 sqm, and takes advantage of the vertical space by creating high ceilings with a total of four layers. The floors are connected via a spiral staircase, with the main living area surrounded by large glazings. Sliding doors allow the residents to access the balcony space on two levels.