抄録
Living area in detached houses which were designed by architects are expanding during these 30 years. The expansive tendensy is clearly observed in (1) the floor area of living area, (2) living area ratio, (3) the number of functional spaces which are included in living area. The functional spaces included are hall space, joint space (such as entrance, stairs), private space, and closet space. The three-dimensional shape of living spaces are also becomming complicated.
