If you are planning your new flat or renovating your home, one question keeps you up at night: how much will the interior design actually cost? This 2026 guide gives you real per-square-foot rates, room-by-room costs, and one simple step that helps homeowners cut 20-30% of wasted spend before construction even begins. How interior design pricing works in India Interior cost in India is usually quoted per square foot (a blended rate for design, materials and execution) or room

Real interior design costs in Chennai for 2026 — complete price tables for 1BHK, 2BHK, 3BHK, and offices. Component-wise breakdown, finish-level guide, and how to avoid overpaying.