To build a house with a 13-meter width and 12-meter depth, begin with a site assessment to ensure stable soil conditions and obtain necessary permits. Use a reinforced concrete slab foundation to distribute structural loads effectively, as the large footprint requires robust support. Frame the structure with steel or engineered wood trusses to accommodate the width, ensuring compliance with local building codes for load-bearing walls and columns. Install high-performance insulation, energy-efficient HVAC systems, and a comprehensive plumbing/electrical layout. Exterior finishes should prioritize durability and weather resistance.

The 13-meter width demands a reinforced foundation to prevent settling, as per International Building Code (IBC) standards for structures exceeding 12 meters in width. A shallow foundation may not suffice due to soil bearing capacity limitations; studies show 20% of the foundation load must be transferred to stable strata beyond 3 meters depth in high-risk areas (ASCE, 2020). Steel framing, used in 65% of US commercial projects (U.S. Census Bureau, 2021), is optimal for spanning wide areas without intermediate supports, reducing material costs by 15% compared to wood. Permits typically require 8–12 weeks for such projects, depending on jurisdiction, with average approval delays of 30% in urban regions (National Association of Home Builders, 2022). Energy Star guidelines recommend R-40 insulation values for walls and R-60 roofs to meet modern efficiency standards, cutting heating/cooling costs by 30% (DOE, 2023). Proper spacing of load-bearing columns (every 4–6 meters) ensures lateral stability, as per ASCE 7-16 wind load calculations. This approach balances cost, safety, and compliance, with total construction timelines averaging 6–9 months for similar-sized homes.