20’x40’ FREE south facing house design is given in this 2D Autocad drawing file. The total built-up area of the plan is 800sqft. In this gound floor plan master bedroom with attached toilet, living room, kitchen, dining room, store, lobby, and common toilet is available and on the first-floor living room, master bedroom with attached toilet, common toilet, lobby, and balcony is available.download this 2D Autocad drawing file.