Custom casement window prices typically range from $700 to $1,800 per installed window, with an average near $1,150. Size, frame material, glass package, opening changes, and local labor rates can move a quote well above that range, especially for large or unusually shaped openings.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Custom casement window, installed | $700 | $1,150 | $1,800 | Typical replacement opening |
| Window unit only | $400 | $750 | $1,300 | Price varies by size and material |
| Installation labor | $200 | $400 | $800 | Per window; more for structural work |
| Oversized or premium unit installed | $1,500 | $2,200 | $3,500+ | Large dimensions or upgraded glass |
What a Custom Casement Window Costs Installed
A standard custom casement replacement, roughly 24 by 36 inches to 36 by 60 inches, often totals $700-$1,800 including the window, removal of an existing unit, and basic fitting. The average is about $1,150 for a mid-grade vinyl or fiberglass window with ordinary access and no major repairs. A custom unit alone commonly costs $400-$1,300.
New construction, premium wood, unusual finishes, or a larger opening can push the total to $2,000-$3,500 or more. Quotes may include trim and disposal, but buyers should confirm whether interior repainting, exterior cladding, taxes, and permit fees are included. Assumptions: standard U.S. replacement opening, mid-grade materials, normal access, and no structural changes.
For a typical replacement, a realistic planning budget is $900-$1,500 per window.
How Frame, Glass, and Labor Shape the Quote
Window quotes separate the made-to-order unit from installation and finishing. Custom sizing can affect fabrication charges even when the opening is only slightly outside a manufacturer’s standard dimensions. Labor varies with access, removal difficulty, and how much surrounding trim needs repair.
| Quote component | Low | Average | High | Typical pricing basis |
|---|---|---|---|---|
| Vinyl or fiberglass unit | $350 | $700 | $1,200 | Per window |
| Wood or clad-wood unit | $700 | $1,200 | $2,000 | Per window |
| Removal and installation labor | $200 | $400 | $800 | Per window |
| Trim, flashing, and sealing | $75 | $200 | $450 | Per opening |
| Disposal and delivery | $30 | $100 | $250 | Per project or unit |
Low labor assumes a straightforward insert replacement. Full-frame installation costs more because the installer removes additional frame material and rebuilds the opening’s weather barrier. Ask for the window, labor, trim, and disposal as separate quote lines.
Which Size and Glass Specifications Raise Prices?
Dimensions are a major price driver: a casement wider than 36 inches or taller than 60 inches may need heavier hardware, thicker glass, or a reinforced frame, adding about 15%-40% compared with a common-size unit. A paired casement assembly or custom mullion can add $200-$600 per opening.
Double-pane low-E glass is common in replacement quotes. Triple-pane glass may add $150-$400 per window, while laminated or tempered safety glass can add $100-$350 depending on size and code requirements. Wood and clad-wood frames often cost 30%-80% more than basic vinyl; fiberglass commonly falls between vinyl and wood. Confirm the exact width, height, frame material, and glass package before comparing estimates.
How Much Installer Time Does Each Opening Need?
A crew of two often needs 2-4 hours for a standard insert replacement, including removal, setting, sealing, and basic trim. Full-frame replacement typically takes 4-8 hours per opening, especially when exterior siding or interior casing must be disturbed. Contractors may price labor per window rather than by the hour.
When hourly billing applies, a common range is $75-$125 per installer hour, though location and contractor structure change the rate. Rotten framing, hard-to-reach upper floors, or difficult access can add several hours and materials. Verify whether the quote covers cleanup, adjustment, and sealing as well as installation.
Three Casement Window Quotes for Different Projects
A small vinyl replacement around 24 by 36 inches may cost $700-$1,000 installed, assuming a two-person crew spends about 2-3 hours and the existing frame is sound. The unit could be $400-$550, with the balance covering labor, sealing, and removal.
A 36-by-60-inch fiberglass unit with low-E glass might total $1,200-$1,800. A larger wood-clad casement with triple-pane glass and custom exterior color could reach $2,200-$3,500, particularly if full-frame work takes 5-8 labor hours. These examples illustrate scope differences, not fixed national rates.
Why Casement Installation Prices Differ by Region
Labor and contractor overhead make installed prices vary across the country. Large coastal metros and high-cost Northeast markets may run 15%-30% above a typical national quote. Smaller towns and rural markets can be 5%-15% lower, although delivery charges may offset savings when custom units travel farther.
Climate also affects specification choices. Cold regions may favor upgraded low-E coatings or triple-pane glass, increasing the unit price, while coastal areas may require impact-rated glass or corrosion-resistant hardware. Compare local quotes for the same dimensions and performance specifications rather than relying on a national average.
Which Extras Can Add to a Custom Window Bill?
Removing an old window and hauling it away may be included or charged at $30-$100 per opening. New interior casing or exterior trim can add $75-$300; repairing water-damaged framing may add $150-$600 or more once the damage is exposed. Changing the opening size can add $500-$2,000 for framing, siding, drywall, and related finish work.
Permit requirements depend on local rules and whether the project changes the opening or affects structural components. A permit or inspection may add roughly $50-$300, but fees vary by jurisdiction. Request written approval before work expands into framing or finish repairs.
How to Lower the Price Without Cutting Performance
Keep the existing opening size when possible, since enlarging or moving a window adds framing and finishing expenses. Compare vinyl, fiberglass, and wood-clad quotes with matching dimensions, glass ratings, hardware, and warranty terms. A lower unit price may not be a lower installed price if removal or trim is excluded.
Replacing several windows in one visit can reduce repeated setup and disposal charges, though each unit still needs an itemized price. Scheduling outside a contractor’s busiest period may improve availability, but discounts are not guaranteed. Avoid paying for specialty glass or finishes unless the location, code, or design calls for them. Prioritize a complete weather-tight installation over optional upgrades that do not meet a specific need.