Home Improvement
Home Renovation Cost Calculator
Get instant cost estimates for any home renovation project. Choose your project type below to access a detailed calculator with real cost ranges by material, size, and location.
Average Renovation Costs by Project Type
| Project | Average Cost Range | ROI at Resale |
|---|---|---|
| Kitchen remodel (mid-range) | $25,000–$50,000 | 60–80% |
| Bathroom remodel | $10,000–$30,000 | 55–70% |
| Roof replacement | $8,000–$20,000 | 60–70% |
| Window replacement | $5,000–$15,000 | 65–75% |
| HVAC replacement | $5,000–$12,000 | 50–60% |
| Hardwood flooring | $4,000–$10,000 | 70–80% |
| Garage door replacement | $1,200–$3,500 | 90–100% |
| Attic insulation | $1,500–$4,000 | 85–100% |
Browse by Project Category
Roofing
Kitchen
Flooring
HVAC & Insulation
How to estimate your renovation cost
- Select your project from the category list above to open the specific calculator.
- Enter your home or room size, material preferences, and local zip code for region-adjusted estimates.
- Review the cost breakdown — materials, labor, and permit fees are shown separately.
- Add a 10–20% contingency to the estimate to account for surprises common in renovation work.
- Get 3 contractor quotes and compare them against your calculator estimate before committing.
Frequently asked questions
How much does a home renovation cost?
Home renovation costs vary widely by project scope: Minor kitchen update: $5,000–$15,000. Full kitchen remodel: $15,000–$75,000+. Roof replacement: $8,000–$22,000. HVAC replacement: $5,000–$12,000. New flooring (1,500 sq ft): $3,000–$18,000 depending on material. Bathroom renovation: $6,000–$30,000. Whole-home renovation: $20–$150 per sq ft. Always get 3 contractor bids — quotes can vary 20–50% for the same project.
What home renovations add the most value?
Projects with the best ROI at resale (per Remodeling Magazine's Cost vs Value report): Garage door replacement (102% ROI), manufactured stone veneer (102%), minor kitchen remodel (86%), wood deck addition (83%), entry door replacement (steel, 80%), vinyl window replacement (69%), major kitchen remodel (49%). Energy-efficiency upgrades (insulation, HVAC) often recoup 50–70% at sale plus save monthly on utilities.
How do I budget for a home renovation?
Start with a scope-based estimate using per-project calculators, then add: 10–20% contingency for surprises, permit fees (typically $500–$3,000 depending on scope), and carrying costs if you need to vacate. Finance options include: HELOC (best rate for equity-rich owners), cash-out refinance (good if rates are lower than your current mortgage), personal loan (for small projects under $25,000), and contractor financing. Avoid financing renovations that won't recoup costs at sale.
Do I need permits for home renovations?
Permits are generally required for: structural changes, additions, new electrical circuits, plumbing changes, HVAC replacement or new installation, window enlargements, and decks over 30 inches high. Cosmetic work (painting, flooring, cabinet refacing, fixture swaps) typically does not require permits. Always check with your local building department — unpermitted work can cause issues with insurance claims, home sales, and safety inspections.