Quick answer: Replacing a window in 2026 typically costs about $450 to $1,200 installed per window, with cost-data site Fixr putting the average around $800 and survey data from This Old House landing lower, around $477 per unit. Your price depends on the window type, frame material, size, and how many you do at once. To get a real number, post the job free on Qiggz and compare local quotes.
Drafty windows are easy to ignore until the first cold snap, when you can feel the winter leaking in around the frame and watch your heating bill climb. Then the question becomes urgent: what does it actually cost to replace them, and is it one window or all of them?
The honest answer is that "a window" is not one price. A small vinyl single-hung in a standard opening is one number. A large custom bay window with a wood frame is several times that. And the per-window cost usually drops when you replace many at once, because the crew is already set up and on site. So the right way to think about it is per window, then by how many.
This guide breaks down window replacement cost per window, by type and by frame material, what a whole-house project runs, and how to get an accurate quote for your home.
How much does window replacement cost?
Estimates vary by source and by how the data is gathered, so here is the honest spread. Cost-data site Fixr puts the average installed window at about $800, with a typical range of $450 to $1,200 per window. Survey data from This Old House lands lower, at about $477 per unit on average, with a typical range of $395 to $631 and a broader survey range of $232 to $740.
Why the gap? Averages depend on the mix of windows people actually buy, the frame materials, the region, and whether the figure is a national list price or a homeowner-reported survey. The practical takeaway is a working range of roughly $450 to $1,200 per window installed for common windows, with budget vinyl coming in lower and large, custom, or premium-frame windows running higher.
Installation is a real part of that number. The price includes removing the old window, fitting and sealing the new one, and disposing of the old unit, not just the glass itself.
What affects the cost of window replacement
A handful of factors decide where you land in that range:
- Window type. A simple single-hung is the cheapest style; casement, bay, bow, and custom shapes cost more because of the hardware and size. Per Fixr, single-hung runs about $250 to $700 while a bay window can run $900 to $4,500.
- Frame material. Vinyl is the budget-friendly default; wood and fiberglass cost more but offer different looks and performance. Per Fixr, vinyl runs about $350 to $800 per window and wood about $600 to $2,000.
- Size and custom shapes. Bigger openings and non-standard shapes need more material and labor, and custom sizing adds cost over a stock window.
- Glass and energy features. Double or triple panes, low-emissivity (low-E) coatings, and gas fills raise the price but can lower energy bills and may qualify for efficiency incentives. Confirm any current rebate or tax credit at the time of purchase.
- Number of windows. Per-window cost usually drops when you do many at once, since the crew mobilizes once and works through them in a batch.
- Installation type. An "insert" replacement into a sound existing frame is cheaper than a "full-frame" replacement that rebuilds the opening, needed when the frame is rotted or you are changing the window size.
- Condition behind the window. Hidden rot, water damage, or out-of-square openings can add repair work once the old window comes out. A good installer will flag this.
Window replacement cost breakdown
Here is how pricing tends to shake out, per window installed. Figures by type and material are from Fixr (2026); per-unit averages are from This Old House (TOH) survey data. All are national ranges, so your local quote is what counts.
| Window type | Typical cost (2026) | Source |
|---|---|---|
| Single-hung | $250 to $700 | Fixr |
| Double-hung | $300 to $1,000 | Fixr |
| Casement | $400 to $1,200 | Fixr |
| Sliding | $700 to $1,500 | Fixr |
| Picture | $300 to $1,600 | Fixr |
| Bay | $900 to $4,500 | Fixr |
| Skylight | $800 to $2,500 | Fixr |
| Frame material | Typical cost (2026) | Source |
|---|---|---|
| Aluminum | $200 to $800 | Fixr |
| Vinyl | $350 to $800 | Fixr |
| Fiberglass | $400 to $1,500 | Fixr |
| Composite | $300 to $2,500 | Fixr |
| Wood | $600 to $2,000 | Fixr |
| Whole-house project | Typical cost (2026) | Source |
|---|---|---|
| Single-story home (10 to 15 windows) | $8,000 to $12,000 | Fixr |
| Two-story home (15 to 30 windows) | $12,000 to $24,000 | Fixr |
| Larger home (25+ windows) | $11,925 or more | This Old House |
All figures above are national ranges, not a quote. Prices vary by region, window size, glass package, and how many windows you replace at once, so confirm the details with a local installer before you budget.
How to get an accurate quote (and save money)
National averages get you in the ballpark; only a local quote gets you the real number. Here is how to get one and trim the cost.
- Get several quotes. Window prices and installation rates vary a lot between companies. The quickest way to compare is to describe the project on Qiggz and let local installers quote it, free, with no lead fees in the way and no cost to you.
- Do them in batches. Replacing several windows in one visit usually lowers the per-window cost, because the crew mobilizes once. If you cannot do the whole house, group windows by room or by the worst offenders.
- Match the window to the need. Vinyl is the value choice for most homes; pay up for wood or fiberglass only where the look or performance is worth it.
- Ask insert versus full-frame. An insert replacement into a sound frame costs less than a full-frame rebuild. Ask which your openings need, and get the reason in writing if it is the pricier option.
- Weigh the energy payback. Higher-efficiency glass costs more up front but can lower heating and cooling bills and may qualify for incentives. Confirm any current rebate or tax credit before you buy, since programs change.
- Confirm what the quote includes. Removal and disposal of old windows, sealing, trim work, and cleanup should all be spelled out so you are comparing like for like.
When to hire a pro
Window replacement is usually a job for a pro, and not only for the lifting. A window that is not sealed and flashed correctly leaks air and water, which can lead to rot, mold, and a much bigger bill down the road. Professional installers size the opening, set the window square, seal it properly, and dispose of the old unit, and a good installation is what protects both your comfort and the wall around the window. Full-frame replacements, upper-story windows, and large or custom units are squarely pro territory. A handy homeowner might swap a single, standard, ground-floor window, but for anything beyond that the cost of a botched seal usually dwarfs the labor you would save.
Ready to replace your windows? Find local window installers on Qiggz, free to post and free to get quotes. For related trim, drywall, or small repairs around the new windows, you can also line up a handyman from the same place.
The bottom line
Window replacement in 2026 typically runs about $450 to $1,200 per window installed, with Fixr averaging around $800 and This Old House survey data landing nearer $477 per unit. Where you fall depends on the window type, frame material, size, glass package, and how many you do at once. A whole-house project commonly runs from roughly $8,000 into the $20,000s depending on the home and the windows.
Skip the guesswork and get a price for your actual windows. Post your window replacement job free on Qiggz and compare quotes from local installers, with no lead fees and no cost to you. Before you sign, it is worth reading how to avoid contractor scams and the questions to ask before hiring.
Frequently asked questions
How much does it cost to replace a window in 2026?
A single replacement window typically costs about $450 to $1,200 installed, with Fixr putting the average near $800 and This Old House survey data closer to $477 per unit. The price depends on the window type, frame material, size, and glass package. Replacing several windows at once usually lowers the per-window cost, so compare local quotes for your specific project.
Is it cheaper to replace all the windows at once?
Usually the per-window cost is lower when you replace many at the same time, because the crew mobilizes once and works through them in a batch rather than returning for separate visits. The total bill is of course higher than doing one, but the cost per window tends to drop. If a whole-house project is too much at once, grouping windows by room or by the worst drafts is a sensible middle path.
What is the cheapest type of replacement window?
Single-hung windows with vinyl frames are generally the most budget-friendly combination. Per Fixr, single-hung windows run about $250 to $700 and vinyl frames about $350 to $800 per window. Vinyl is durable and low-maintenance, which is why it is the default choice for most homes, with wood and fiberglass costing more for their look and performance.
Does window replacement cost include installation?
The figures in this guide are installed prices, meaning they include both the window and the labor to fit it. A proper installation also covers removing and disposing of the old window and sealing the new one. Always confirm with the installer exactly what the quote includes, such as trim work and cleanup, so you are comparing quotes on the same basis.
What is the difference between insert and full-frame replacement?
An insert (or pocket) replacement fits a new window into the existing, sound frame, which is faster and cheaper. A full-frame replacement removes everything down to the rough opening and rebuilds it, which is needed when the frame is rotted or you are changing the window size. Full-frame costs more but is sometimes the only correct option, so ask your installer which your openings need and why.
Do new windows save money on energy bills?
Energy-efficient windows with features like double or triple panes and low-E coatings can reduce heating and cooling costs compared with old, drafty single-pane windows, and they may qualify for efficiency rebates or tax credits. The exact savings depend on your climate, your old windows, and the new ones you choose. Confirm any current incentive at the time of purchase, since programs change year to year.
Sources
- All average, by-type, by-material, and whole-house figures (avg $800 / $450 to $1,200; single-hung $250 to $700; double-hung $300 to $1,000; casement $400 to $1,200; sliding $700 to $1,500; picture $300 to $1,600; bay $900 to $4,500; skylight $800 to $2,500; aluminum $200 to $800; vinyl $350 to $800; fiberglass $400 to $1,500; composite $300 to $2,500; wood $600 to $2,000; whole-house $8,000 to $12,000 single-story, $12,000 to $24,000 two-story): Fixr, Window Replacement Cost (2026).
- Per-unit average ($477; $395 to $631 typical; $232 to $740 survey) and 25+ window whole-house ($11,925+): This Old House, Window Replacement Cost (2026).
- Qiggz "free to post, free quotes, no lead fees, local pros": first-party, see /find-pros and /about/qiggz.
