Estimate the cost of adding a second storey to an existing single-storey house, based on real material prices from DPWH and PSA data.
Adding a second floor typically costs ₱25,000–₱55,000 per sqm depending on finish level and region. A 60 sqm second floor addition costs approximately ₱1.5M–₱3.3M including materials, labor, and structural integration.
No. The existing foundation, columns, and beams must be assessed by a licensed civil or structural engineer. Houses with undersized foundations may need extensive retrofitting.
Approximately 12% of the base cost, covering: reinforcing existing columns, removing and rebuilding the roof, tying new beams into existing columns, and waterproofing connections.