Hanoi unprecedented population growth leads to housing shortage and degradation of environmental quality in living conditions. The tube house, the most common Hanoi housing typology is known for its lack of inner comfort, natural ventilation and lighting. Thach Cau house locates in the urban fringe of the Old hanoi, in an emergin urban village, which allows for inventing a new typology which accommodates daylighting and natural air flow to come into the building and therefore, shapes a new living style.