<h1>Kolkata commercial and residential property markets in 2025: office leasing and rents surge, vacancy and unsold homes fall</h1> Kolkata's commercial real estate market recorded a 69% year-on-year increase in 2025 office leasing to 2.3 million sq ft, with H2 transactions up 78% to 1.2 million sq ft; average office rents rose 16% to Rs 47.5 per sq ft per month and vacancy fell to 29.9% amid no new office supply, tightening occupancy conditions. The residential market showed 7% year-on-year H2 sales growth to 8,806 units, while full-year sales fell 3% to 16,896 units; H2 new launches rebounded 38% to 8,098 units and unsold inventory declined 5% to 19,630 units, indicating firmer absorption and supply response.