The rear elevation view of the 21x13m architecture 4bhk house building cad drawing is given in this file. This is single story house building. On this floor plan, the living room, kitchen, dining area, family lounge area, master bedroom with the attached toilet, two kid’s bedroom, guest bedroom with the attached bathroom, and common bathrooms are available. For more detail download the AutoCAD 2d drawing file from our website. Thank you for downloading the AutoCAD drawing file from our cadbull website.