51’x66’ architecture second floor house plan CAD drawing is given in this file. This is three story house building. On this second floor, the lobby, master bedroom with the attached toilet and dressing area, two kid’s room with the attached toilet & dressing area, guest room with the attached toilet & dressing area, and open space is available. For more details download the AutoCAD drawing file from our website. Thank you for downloading this Cad file from our cadbull website.