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How to calculate interior cost?

To calculate interior cost for your home, office, or a single room (like a bedroom or kitchen), you need to break down the expenses into key components. This gives you a clear idea of how much you’ll spend and where your money goes.

Here’s a complete guide on how to calculate interior cost in India, especially in Delhi, Gurgaon, and Noida:


🧮 Step-by-Step Guide: How to Calculate Interior Cost


✅ 1. Measure the Area (in Sq. Ft.)

Start with the built-up or carpet area of your home or room.

Example: For a 2BHK with 900 sq. ft. of carpet area, you’ll base most calculations on this number.


✅ 2. Decide the Scope of Work

Are you looking for:

  • Design-only consultation?
  • Modular furniture installation?
  • Full turnkey interiors (design + execution)?

Your choice drastically affects the budget.


✅ 3. Estimate Cost Per Square Foot (Based on Scope)

Interior TypeBasic (₹/sq. ft.)Mid-RangePremium
Design Only₹15 – ₹150
Modular Work Only₹800 – ₹1,200₹1,200 – ₹1,800₹2,000+
Full Turnkey Interior₹1,000 – ₹1,400₹1,500 – ₹2,200₹2,500 – ₹3,500+

💡 Multiply per sq. ft. cost by total area to get an estimate.


✅ 4. Break Down Interior Elements

Break your budget into categories:

ComponentTypical Share (%)Cost Calculation
Modular Furniture35% – 40%₹50,000 – ₹2,00,000+ depending on size
Civil Work10% – 20%Wall breaks, flooring, false ceiling
Electrical & Lighting10%Panels, LEDs, ambient lighting
Wall Treatments10% – 15%Paint, wallpaper, wall panels
Soft Furnishing5% – 10%Curtains, rugs, bedding, cushions
Decor & Accessories5%Wall art, lamps, mirrors, etc.
Design Fees5% – 15%Fixed, hourly or % of total cost

✅ 5. Use a Budget Formula

💡 Interior Cost = Total Area (sq. ft.) × Cost per sq. ft.

🔹 Example Calculation (Turnkey 2BHK in Noida, 900 sq. ft.):

  • Chosen quality: Mid-Range
  • Rate: ₹1,500 per sq. ft.
  • Estimated Cost = 900 × 1,500 = ₹13,50,000

✅ 6. Add Design Charges (if separate)

Designers charge via:

  • Per sq. ft.: ₹50 – ₹200
  • Percentage of project cost: 6% – 15%
  • Flat fee: ₹50,000 – ₹5 lakh

📌 Interior Cost by Project Type (Delhi NCR Average)

ProjectCost Range (INR)
1BHK Design + Execution₹2.5 lakh – ₹5 lakh
2BHK₹4 lakh – ₹8 lakh
3BHK₹6 lakh – ₹12 lakh+
Modular Kitchen₹1 lakh – ₹3 lakh
Living Room Only₹80,000 – ₹3 lakh+
Bedroom Only₹60,000 – ₹2.5 lakh

💡 Pro Tips to Stay on Budget

  • Prioritize essential spaces first (kitchen, bedroom)
  • Use laminate instead of veneer or acrylic to cut costs
  • Stick to modular solutions for wardrobes and kitchens
  • Avoid over-customization
  • Buy décor and soft furnishings online or from local markets

📍 Delhi NCR-Specific Considerations

  • Delhi South/Central: Premium rates, longer lead times
  • Gurgaon DLF/Sector 57: Mid to high-end options
  • Noida Sector 76/150: Budget to mid-range solutions widely available
  • Labor and material costs vary slightly between these cities

🔗 External Resources (DoFollow)


🧠 Want to Make It Easier?

If you want to avoid manual calculations, you can:

  • Ask for quotes from 3+ interior designers
  • Use online cost calculators on interior websites
  • Opt for design consultation only to plan within your budget

✅ Final Thoughts

Calculating interior costs becomes easy when you break it down by area, quality, and scope. A detailed estimate helps you stay within budget and avoid last-minute shocks.


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