21x30 First Floor House Plan AutoCAD Drawing with G Plus 1 Layout

This 21x30 first floor houseplan is provided in a professional 2D AutoCAD drawing format with accurate measurements and efficient space planning. The drawing represents a G Plus 1 residential building and clearly illustrates room dimensions, wall thickness, door and window positions, and internal circulation. The layout includes a well designed sitout, central dining hall, kitchen, kid’s bedroom, guest bedroom, and common bathroom, ensuring practical use of available space. All architectural elements are clearly marked to support smooth construction execution.