楼房建筑的顶层楼梯间,从楼梯休息平台至屋顶板,其高度一般为房屋层高的一倍半,这样大的空间一般都没有利用,实在可惜。如果将此空间加以利用,当中设置一个小房间,因靠外墙可设窗户,通风采光都较好,凉爽宜人且比较安静,最适宜作住宅卧房。为充分利用楼梯空间,应设计不同楼面 The top floor stairwell of a building is from the rest of the stairs to the roof plate. Its height is generally one and a half times the height of the house. It is a pity that such a large space is generally not used. If this space is to be used, a small room will be set up. Because it is possible to set windows on the exterior wall, it will be well ventilated and cool. It will be cool and pleasant, and it will be quiet. It is most suitable for a residential bedroom. In order to make full use of the stair space, different floors should be designed