The extension of the space partition is not impossible is possible. The three-story two floors, as often is difficult. Future expansion if the two can be bonded to the building of houses. acceptance is a two-storey and three storey, three basic premises unless the floors, the walls are double, and the existing addition, which is when a different method of seismic TSUNAGIto strain the difference between the outer wall is shaking. Different basis for the creation of the original. The evidence available on how often and to reinforce the pillars. However, the building of three floors is not good to think. 2 storey extension to get paid in advance according to the instructions of a real estate company.