Residential house, has central staircase as supporting unit for supporting roof, and outer and inner walls formed with interchangeable modules, where staircase lies in central inner half of house

摘要

The house has a roof (2) and a central staircase as a supporting unit for supporting the roof. Outer walls (3) and inner walls are formed with interchangeable modules. The staircase lies in a central inner half of the house. The staircase forms a central sectional position for water supply, current supply and heating system. The staircase is partly made of wood and partly of metal e.g. steel.