Key takeaways
- Typical cost: $300–$2,100 per window installed, about $850 on average.
- Average: about $850 per window
- Range: $300–$2,100 installed
- 10–15 windows: about $4,000–$10,500
- Timeline: Installers typically need about 2 hours per standard window; hard upper-floor units can take 6+ hours.
- Permits: Permits ($50–$300) are usually needed only when the opening size or structure changes.
Window Replacement Cost at a glance
Window replacement typically costs $300–$2,100 per window, with an average around $850. Frame material, window style and installation method drive the price.
| Item | Typical cost | Notes |
|---|---|---|
| Vinyl frame | $100–$900 | Per unit |
| Wood frame | $150–$1,300 | Per unit |
| Fiberglass frame | $500–$1,500 | Per unit |
| Aluminum frame | $75–$400 | Per unit |
| Double-hung window | $150–$650 | Materials only |
| Casement window | $150–$1,000 | Materials only |
Prices run lowest in states like Arkansas, Mississippi and Alabama and highest in Hawaii, California and Alaska. See the full breakdown and cost by state →
Window Replacement cost questions
- What is the cost of vinyl frame? The typical cost of vinyl frame is $100–$900. Per unit.
- What is the cost of wood frame? The typical cost of wood frame is $150–$1,300. Per unit.
- What is the cost of fiberglass frame? The typical cost of fiberglass frame is $500–$1,500. Per unit.
- What is the cost of aluminum frame? The typical cost of aluminum frame is $75–$400. Per unit.
- What is the cost of double-hung window? The typical cost of double-hung window is $150–$650. Materials only.
- What is the cost of casement window? The typical cost of casement window is $150–$1,000. Materials only.
- What is the cost of bay window? The typical cost of bay window is $910–$7,100. Materials only.
- What is the cost of retrofit (insert) labor? The typical cost of retrofit (insert) labor is $100–$300. Needs a sound existing frame.
- What is the cost of full-frame labor? The typical cost of full-frame labor is $150–$800. Allows repair of hidden damage.
- What is the cost of triple-pane window? The typical cost of triple-pane window is $300–$2,700. Installed; double-pane $280–$1,500.
Signs you need new windows
- Drafts or rising energy bills
- Condensation between the panes (a failed seal)
- Windows that are hard to open, close or lock
- Rot, sagging or warped frames
- Leaks or mold around the frame
- Single-pane glass or noticeable outside noise
Cost and lifespan by frame material
| Frame | Cost per unit | Typical lifespan |
|---|---|---|
| Vinyl | $100–$900 | 20–40 years |
| Wood | $150–$1,300 | 15–30 years |
| Fiberglass | $500–$1,500 | 30–50+ years |
| Aluminum | $75–$400 | 15–30 years |
Repair or replace?
A window repair averages about $400. If the frame is rotted or warped or the seal has failed, replacement is usually the better choice.
Common window replacement questions
How much does window replacement cost?
Most windows cost about $300–$2,100 each installed, with an average around $850 nationally.
How much does it cost to replace 10 windows?
Replacing 10–15 windows typically costs about $4,000–$10,500 all-in nationally.
Are triple-pane windows worth it?
Mainly in cold climates. Triple-pane costs $300–$2,700 installed versus $280–$1,500 for double-pane.
Vinyl or fiberglass windows?
Vinyl costs less ($100–$900 per unit) and lasts 20–40 years; fiberglass costs $500–$1,500 and can last 30–50+ years.
Timeline, permits and DIY
How long it takes
Installers typically need about 2 hours per standard window; hard upper-floor units can take 6+ hours.
Permits
Permits ($50–$300) are usually needed only when the opening size or structure changes.
DIY or hire a pro?
Hire a pro: heavy units and upper floors are risky, and poor installs can void warranties.
Questions to ask contractors
Ask every bidder the same questions so you can compare quotes apples to apples.
- Is this an insert or full-frame installation?
- What glass package and coatings are included?
- Who handles trim, caulking and disposal of old windows?
- What do the manufacturer and labor warranties cover?
Maintenance that prevents costly repairs
- Clean weep holes and tracks yearly
- Recaulk exterior gaps as needed
- Check seals for fogging between panes
Frequently asked questions
Is triple-pane worth it?
Mainly in cold climates. Double-pane is usually enough in warm regions.
How long do vinyl windows last?
Quality vinyl windows typically last 20–40 years.
Do I need a permit to replace windows?
Usually only if you change the size of the opening or the structure. Permits typically cost $50–$300.
How long does window installation take?
About 2 hours per standard window; difficult upper-floor units can take 6 hours or more.
Can I install replacement windows myself?
It's best left to pros. Heavy units and upper floors are risky, and a poor install can void the warranty.
In-depth window replacement guides
Window Replacement by city
Sources: HomeAdvisor — Window replacement cost · Bob Vila — Window replacement cost · This Old House — How long do windows last. Ranges are rounded estimates; see our editorial policy.