Windows & exterior estimator · Updated June 2026
Window Replacement Cost Estimator
Window replacement costs $1,047 per window on average, with most homeowners paying $300 to $1,500 per window installed. A whole-house project (10–15 windows) typically runs $4,500 to $22,500. Use our free calculator to price full replacement by frame, glass and style — or just get a glass-only repair estimate.
What do you need?
Estimated window replacement cost
Typical range for your configuration
Cost breakdown
What affects window replacement cost?
- Frame material — Vinyl is the budget baseline; wood and premium composites cost significantly more.
- Glass package — Triple-pane Low-E costs more than standard double-pane but improves energy efficiency.
- Installation method — Insert (pocket) replacement is cheaper; full-frame is required for rotted or resized openings.
- Window style — Bay and bow windows cost far more than standard hung or slider styles.
- Quantity — Replacing multiple windows at once typically earns a 10–25% bulk discount per window.
- State — Labor costs in California and the Northeast run 25–30% higher than Midwest and Southern states.
How much does window replacement cost in 2026?
Window replacement costs $1,047 per window on average, based on real 2026 homeowner project data, with most homeowners paying between $300 and $1,500 per window installed. A whole-house project replacing 10–15 windows typically runs $4,500 to $22,500. The window unit itself makes up roughly 65–75% of the cost, with labor covering the rest. Use our free calculator above for an instant estimate based on style, frame, glass and installation method.
Window replacement cost calculator — by frame material
| Frame material | Cost per window (installed) |
|---|---|
| Vinyl | $400–$850 |
| Aluminum | $450–$950 |
| Fiberglass | $600–$1,300 |
| Wood / wood-clad | $1,000–$1,800 |
Window replacement cost by style
| Style | Cost per window (installed) |
|---|---|
| Single/double-hung | $250–$1,400 |
| Sliding | $400–$800 |
| Casement / awning | $650–$2,500 |
| Picture (fixed) | $300–$900 |
| Bay / bow | $1,400–$6,000 |
Insert (pocket) vs. full-frame window replacement
This is the single biggest cost decision — and the most misunderstood by homeowners — in any window project.
| Factor | Insert (pocket) | Full-frame |
|---|---|---|
| Relative cost | Baseline | 25–40% more |
| What's replaced | Sash & hardware inside existing frame | Entire unit down to rough opening |
| Best for | Frames that are square, sound, undamaged | Rotted frames, resizing, or major upgrades |
| Siding/exterior work | Minimal to none | Required — trim, flashing, casing |
| Permit typically needed | Rarely | Often, especially if opening size changes |
Window glass replacement cost
If only the glass pane is damaged — cracked, fogged between panes, or broken — and the frame itself is in good shape, glass-only replacement is a much cheaper fix than a full window replacement. Glass-only replacement typically costs $150 to $650 per pane, depending on glass type: standard double-pane runs $150–$400, Low-E coated glass costs more, and triple-pane or impact-rated specialty glass sits at the higher end. This is the right call for isolated glass failures on otherwise healthy windows — replacing the whole unit when only the glass has failed is money you don't need to spend. Use the "Glass-only replacement" option in the calculator above for an instant estimate.
Are there tax credits for window replacement?
Yes. The federal Energy Efficient Home Improvement Credit (25C) offers 30% of qualifying window material costs, capped at $600 per year, for windows installed on your primary residence. Labor costs don't qualify — only the window materials themselves. Windows must be ENERGY STAR certified and meet U-factor and solar heat gain coefficient (SHGC) requirements for your climate zone. Claim the credit using IRS Form 5695. Many states and utility companies also offer additional rebates — check energystar.gov/rebates for programs in your area.
Frequently asked questions
How do I estimate window replacement cost?
Count your windows, choose a style and frame material, select a glass package, and decide between insert or full-frame installation based on your existing frame condition. Our calculator combines all of these automatically — as a rule of thumb, budget $400–$1,200 per window for a standard insert replacement.
What is the average cost to replace a window?
The national average is $1,047 per window based on real 2026 project data, though most standard vinyl insert replacements fall in the $300–$700 range. Premium materials, full-frame installation, or specialty styles like bay windows push costs significantly higher.
How much does it cost to replace window glass only?
Glass-only replacement — repairing a cracked or fogged pane without replacing the whole window — typically costs $150 to $650 depending on glass type, compared to $400 or more for a full window replacement. This only works if the frame itself is still in good condition.
Is insert or full-frame window replacement better?
Insert (pocket) replacement is cheaper and less disruptive, and is the right choice whenever your existing frame is square, level, and free of rot — which describes most homes built after 1980. Full-frame replacement costs 25–40% more but is necessary when frames are damaged, out of square, or you're changing window size.
Do I need a permit to replace windows?
Usually not for like-for-like replacement in the same opening size. A permit — typically $50 to $200 — is generally required if you're changing the size of the opening, since that involves reframing.
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Disclaimer: All window replacement cost estimates are for informational purposes only based on average 2026 US contractor rates. Actual costs vary based on window brand, frame condition, site accessibility, permit requirements and contractor availability. Always obtain multiple quotes from licensed window installers before proceeding with any project. Tax credit eligibility depends on IRS rules current at time of filing — consult a tax professional.