20x12m Double Story House Plan First Floor CAD Design for Builder

This 20x12m double story house plan CAD model features a complete first floor layout with accurate architectural details. It is perfect for architects, engineers, and interior designers seeking efficiency in residential projects. The plan includes bedrooms, bathrooms, lounges, and stair placements, making it easy to visualize and implement. This CAD file can be used as a professional reference for design presentations, construction planning, or project development, ensuring precise and reliable results for any residential design workflow.