ROI on Renovation Calculator
ROI = (post-value − pre-value − reno cost) / reno cost. Factor in regional appreciation to separate true ROI from market gains.
Result
Renovation ROI
44.2%
Net profit $22,078 after stripping regional gain.
- Pre-reno value$400,000
- Expected drift valuePre × (1+4.0%)^(6/12)$407,922
- Post-reno value$480,000
- Reno-driven lift$72,078
- Reno cost$50,000
- Net profit$22,078
- Cost recouped144.2%
Step-by-step
- Drift-adjusted expected value = 400000 × (1+0.0400)^(6/12) = $407,922.
- Reno-driven lift = 480000 − 407,922 = $72,078.
- ROI = (lift − cost) / cost = (72,078 − 50000) / 50000 = 44.2%.
How to use this calculator
- Enter pre-renovation appraised value.
- Enter total reno spend.
- Enter post-reno appraisal and months between.
- Enter your area's appreciation rate (Zillow, FHFA HPI).
About this calculator
A renovation only earns ROI on the lift it creates beyond what the market would have given anyway. A 4% local appreciation rate over 6 months adds ~2% to home value with zero work, so naively comparing pre and post values overstates the project. This calculator subtracts that drift to show whether the reno itself paid back. Most kitchens and baths recoup 60-80% of cost; rare projects (curb-appeal upgrades, garage door swaps) approach 100%.
Frequently asked
Without it, you credit the renovation for gains the market would have produced anyway. Honest ROI isolates the reno effect.
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