36'X99' Seven Different types of 3BHK House plan AutoCAD DWG file. In all seven plans building area is the same, room allocation and room sizes vary. In all plans master bedroom with attached toilet, kid's bedroom with attached toilet, Guest bedroom with an attached toilet Drawing room, Kitchen, Dining, TV Lounge, porch, and Lawn are available. The Staircase is placed inside of the house. Download the AutoCAD Drawing file.