National average: $600–$1,900 per window*
*All cost estimates on this page are planning estimates, not quotes. Actual costs vary by location, project scope, materials, site conditions, and contractor. See methodology and sources.
A window replacement project costs $600–$1,900 per window nationally in 2026. Costs vary based on project scope, materials, geographic market, and contractor availability. Get free quotes from local contractors to understand your specific project cost.
| Your Situation | Recommended Action | Estimated Cost* |
|---|---|---|
| Drafts from failed weatherstripping only | Repair weatherstrip / caulk | $50–$400 |
| 1–3 units with foggy glass or broken locks | Replace individual units | $300–$1,200 / window |
| Single-pane throughout, multiple failing units, rotted frames | Full replacement | $6,100–$30,500 |
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| Project Type | Estimated Cost* | What’s Included |
|---|---|---|
| Full Home Replacement | $6,100–$30,500 | Replace all 10–15 windows in a standard home. This is the per-window range above times a typical window count |
| Bay / Bow Windows | $2,500–$8,000 | Structural bay or bow window installation |
| Sliding Patio Doors | $1,700–$3,100 | Sliding or French patio door replacement |
| Storm Window Upgrade | $800–$3,000 | Storm windows over existing frames |
| Casement / Specialty | $600–$1,900 | Custom shapes, casements, awning windows |
| Region | vs. National Average | Why |
|---|---|---|
| South / Midwest | 8–15% below | Lower labor costs, more contractor competition |
| National average | — baseline | Figures shown above |
| Northeast / West Coast | 10–20% above | Higher labor rates, permitting costs, material freight |
Get free quotes from local contractors to see real pricing for your ZIP code.
Percentages are national averages. Your project mix will vary.
Window replacement bids vary significantly because the window unit itself is a large portion of cost and quality varies widely. Here's what a complete window replacement scope should include.
| Material / Component | Details & Typical Quantities* |
|---|---|
| Window unit (frame + insulated glass) | $250–$1,200 per window depending on size, frame material, and glass package. Fiberglass frames outperform vinyl thermally. Low-E coatings are standard on all ENERGY STAR units. Ask for U-factor and SHGC values in writing. |
| Installation hardware | Shims, fasteners, expanding foam, backer rod: included in professional installation. Verify these aren't line-itemed as extras. |
| Exterior caulk and sealant | High-performance exterior sealant (Sikaflex, OSI Quad): $15–$30/tube. A full window installation should use 1–2 tubes per window. |
| Interior trim/casing | If existing trim is removed and replaced: $50–$150/window in labor and materials. Verify whether trim removal/replacement is included. |
| Flashing tape | Self-adhering flashing tape at rough opening edges: standard practice, should be included. Ask if they're using flashing tape or liquid flashing. |
| Drywall patching | If existing trim can't be reused, interior drywall patching may be required: verify inclusion. |
Quantities and specifications vary by project scope, region, and contractor. Use this as a checklist when reviewing bids to verify all components are included.
The cost of your window replacement project depends on several factors unique to your home and location:
Zonda’s 2025 Cost vs. Value Report puts a vinyl window replacement at 76% cost recouped. ©2025 Zonda Media, a Delaware corporation. Complete data from the Remodeling 2025 Cost vs. Value Report can be downloaded free at www.costvsvalue.com.
Beyond resale value: $101–$583/yr (ENERGY STAR / DOE); wind-mitigation opening-protection credit (Fla. Stat. 627.0629 / form OIR-B1-1802).
See how this compares to other home improvement projects →
Resale values are estimates from real-estate professionals, not measured sale prices.
57% of homeowners use financing on improvement projects. Here’s how the main options compare, and what to watch out for.
See our full Window Replacement financing guide →
Estimate your window replacement cost for your own project and metro →
Use our loan calculator to compare monthly payments →
Many homeowners use terms like window replacement, new windows and window installation interchangeably, but they don't always mean the same thing. Knowing the differences helps you compare quotes accurately and avoid paying for work you don't actually need.
Window repair is usually right when the frames are sound and one or two windows have a specific problem:
Window replacement is usually right when the windows themselves are the problem:
This is the distinction that moves the price most:
A company that only sells one of the two will tend to recommend that one, which is exactly why a second quote is worth the hour it takes.
Not every contractor works the same way:
Neither is automatically better, but it explains why quotes for “the same” job vary so widely. If two contractors recommend different things, ask why. Comparing the answers tells you which one is solving your problem rather than selling what they stock.