"Chota flat hai, interior ka kharcha bhi kam hoga na?"
Yes and no. A 1BHK costs less than a 2BHK overall — but per square foot, compact homes often cost MORE, because every inch has to work harder. Smart storage, multi-functional furniture, and spacesaving design need more planning, not less. After designing 50+ homes across Mumbai over 7+ years, here is our honest cost guide for 1BHK interiors in 2026.
Cost Overview
For a typical 1BHK flat in Mumbai (350–550 sq ft carpet area):
Scope
Approximate Cost Range
Interior Design Only (drawings + 3D)
₹25,000 – ₹80,000
Basic Turnkey Interiors
₹3.5 – 6 Lakhs
Premium Turnkey Interiors
₹6 – 9 Lakhs
Luxury Turnkey Interiors
₹9 – 14 Lakhs+
Most 1BHK homeowners in Mumbai end up in the ₹4.5–7 lakh range for a complete, well-finished compact home. Now let us break down where this money actually goes.
What Decides Your Interior Cost?
Three factors control almost your entire budget: