The cost to build a duplex house in Bangalore depends on factors like location, materials, and labor. On average, the house construction cost in Bangalore ranges from ₹1,800 to ₹3,500 per square foot, depending on the quality of construction. A duplex house typically costs more due to additional structural requirements and finishing details. Choosing the right contractor and optimizing the design can help manage expenses efficiently. It is advisable to use a construction cost calculator for an accurate estimate. Proper planning, selecting quality materials, and hiring experienced builders ens