Complete House Construction Cost Breakdown in Kolkata (2026 Real Rates)
Building your independent house (bari) is the biggest financial investment of a lifetime. Yet over 65% of residential projects in Kolkata exceed their initial budget by 20% to 35% due to vague contractor quotes and unaccounted finishing specifications.
1. The 3 Primary Specification Tiers (Per Sq Ft)
Standard Package (₹1,650 – ₹1,850 / sq ft): Fe 500D TMT rebar, branded PPC cement, first-class clay bricks, vitrified tiles (up to ₹55/sq ft), standard UPVC windows, and basic tractor emulsion.
Premium Package (₹1,950 – ₹2,350 / sq ft): Fe 550D rebar (Tata Tiscon / Shyam Steel), OPC 53 for RCC, double-charge vitrified tiles (600x1200 mm), Jaquar/Kohler sanitaryware, 100% acrylic exterior weather coatings.
Luxury / Architect Signature (₹2,600+ / sq ft): Italian marble flooring, concealed VRV air conditioning, automated louvers, solid teakwood door frames, and customized structural glazing.
2. Trade-by-Trade Budget Distribution
Structural & Civil Framing: 48% (Cement, Steel, Sand, Aggregate, Bricks, Labour)
Finishing & Flooring: 22% (Tiles, Paint, Putty, False Ceilings)
MEP Services: 15% (Concealed PVC conduit electricals, CPVC plumbing)
Woodwork & Openings: 10% (Plywood, flush doors, aluminum/UPVC windows)
Contingency & Structural Testing: 5% (Cube testing, soil testing, KMC sanction)
- Never sign a lump-sum contract without an attached Bill of Quantities (BOQ).
- Lock material brand names and grades directly in your contractor agreement before foundation excavation begins.