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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.
For the full picture — Home Renovation Costs in 2026 covers whole-house tiers, a room-by-room cost table, what drives the number in your metro, contingency norms, and how people finance the work.
One project doesn't fit the categories above: finishing a basement adds square footage rather than remodeling a room you already use, so it's priced per square foot for the core finish, with moisture control, egress, and a bathroom priced as separate add-ons. See the Basement Finishing Cost Calculator if that's the project you're scoping.
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.
Read next
HELOC vs Cash-Out Refinance
Why the higher-rate option is usually the cheaper one: a cash-out refinance reprices your whole balance, a HELOC prices only the new money. Worked with July 2026 rates, plus what IRS Publication 936 actually lets you deduct.
Home Renovation Costs 2026
What renovating actually costs — whole-house tiers and per-square-foot bands, a room-by-room table with a calculator for every line, what drives the number (labor, materials, permits, your metro), contingency norms, and how people pay for it.
Reading a Contractor's Quote
The anatomy of an estimate — line items, allowances, exclusions, change orders and payment schedules — an eight-step method for normalizing three bids, FTC-grounded red flags, and a free printable vetting checklist.
Home Renovation Cost Calculator is built and maintained by the RealCostIQ editorial team. Cost ranges and rates are checked against published industry data and contractor quotes, and revised when the underlying figures move. Read our data methodology or more about who builds this. Every calculation runs in your browser — no account, and none of your inputs are stored.
Cost ranges and rates here are checked against contractor quotes and published industry data. If a number still looks off, email Support@RealCostIQ.com and we'll review and fix it.