Longitudinal section view of 15x21m house plan is given in this Autocad drawing file. This is G+1 residential building. Living area, porch, master bedroom with attached toilet & dressing room, kid’s room with wash room, guest room with wash room, and utility area are available in the first floor. For more details download the Autocad file. Thank you for downloading the AutoCAD drawing file and other CAD program files from our website.