The construction cost for a 1200 sq ft house in Bangalore depends on factors like material quality, labor, and design complexity. On average, the cost ranges from ₹1,800 to ₹3,500 per sq ft. This means a 1200 sq ft house could cost between ₹21.6 lakhs to ₹42 lakhs. The average construction cost in Bangalore varies based on location and customization, with basic structures costing less and premium finishes increasing expenses. Additional costs for approvals, interiors, and landscaping should also be considered. Consulting a professional builder can help get a precise estimate and ensure cost-effective yet high-quality construction.