Understanding the cost to build a duplex house in Bangalore is essential for homeowners planning a spacious residence. The construction cost depends on factors like location, material quality, labor charges, and design preferences. On average, the house construction cost in Bangalore ranges from ₹1,800 to ₹2,800 per square foot for a duplex home. Premium materials, modern interiors, and structural complexity can increase the budget. To optimize costs, hiring experienced contractors and using a well-planned budget is crucial. Proper planning ensures quality construction within a reasonable budget, making your dream duplex home a reality in Bangalore.