About the Home Renovation Budget Estimator
What is the Home Renovation Budget Estimator?
This home renovation cost calculator builds a budget item by item, scaled for basic, standard or premium finishes.
It adds designer fees and a contingency buffer, and estimates how long the work will take.
How to use the Home Renovation Budget Estimator
- Carpet Area (sq ft) (sample: 1,000)
- Finish Quality (sample: Standard)
- Painting (₹ per sq ft of carpet area) (sample: 60)
- Flooring to Replace (sq ft) (sample: 600)
- Flooring Rate incl. Laying (₹ per sq ft) (sample: 150)
- Modular Kitchen (₹) (sample: 2,50,000)
- Bathrooms to Redo (sample: 2)
- Cost per Bathroom (₹) (sample: 1,20,000)
- Wardrobes and Storage (₹) (sample: 2,00,000)
- Electrical and Plumbing Rework (₹) (sample: 80,000)
- False Ceiling (sq ft) (sample: 400)
- Designer / Supervision Fee (%) (sample: 8)
- Contingency (%) (sample: 10)
- Press Estimate Renovation Budget (results also refresh as you type). The result card shows the Renovation Budget, along with Cost per sq ft, Works, Design / supervision fee and Contingency.
Formula used
Budget = Σ Works × Quality factor + Design fee + Contingency
Worked example
These are the sample values already filled in the calculator above, and the result it returns for them:
| Input | Sample value |
|---|---|
| Carpet Area (sq ft) | 1,000 |
| Finish Quality | Standard |
| Painting (₹ per sq ft of carpet area) | 60 |
| Flooring to Replace (sq ft) | 600 |
| Flooring Rate incl. Laying (₹ per sq ft) | 150 |
| Modular Kitchen (₹) | 2,50,000 |
| Bathrooms to Redo | 2 |
| Cost per Bathroom (₹) | 1,20,000 |
| Result | Value |
|---|---|
| Renovation Budget | ₹12,08,196 |
| Cost per sq ft | ₹1,208 |
| Works | ₹10,17,000 |
| Design / supervision fee | ₹81,360 |
| Contingency | ₹1,09,836 |
| Likely duration | 9–14 weeks |
| Tip | Pay contractors in milestones and keep 10% until snags are fixed |
Tips for using the Home Renovation Budget Estimator
- Get at least three itemised quotes and compare material brands, not just totals.
- Fix plumbing and electrical issues before tiling and painting.