Basic
$2,018 – $4,842 each
Fiberglass bay with fixed center and two double-hung flankers, white frames, low-E double-pane glass, insulated seat, cable support, primed boards
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How Much Does Fiberglass Bay Window Cost in Charleston, West Virginia?
Replace or install one fiberglass bay window unit (three-panel projection), including installation, trim and support.
Fiberglass Bay Window in Charleston, West Virginia typically costs $2,374 to $5,697 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Fiberglass Bay Window in Charleston, West Virginia
$2,374 – $5,697
eachPrices in Charleston are 5.0% lower than the national average for fiberglass bay window.
National average: $2,500 – $6,000 each
What you get at each price level
Standard
$2,374 – $5,697 each
Fiberglass bay with fixed center and two double-hung flankers, tan frames, low-E argon glass, insulated seat, cable support, primed boards
Rendering: BuildX
Find a pro to do thisPremium
$2,967 – $7,121 each
Fiberglass bay with fixed center and two double-hung flankers, dark exterior frames, low-E argon glass, wood-look interior finish, insulated seat, cable support
Rendering: BuildX
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Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1,080 – $2,592 | each |
| Labor | labor | $814 – $1,953 | each |
| Supplies & Other | supplies | $288 – $691 | each |
| Equipment & Disposal | equipment | $192 – $461 | each |
Prices adjusted for Charleston local market conditions.
Cost Factors in Charleston, West Virginia
What Affects Pricing
- Materials ($1,125.00-$2,700.00 per unit)
- Labor ($875.00-$2,100.00 per unit)
- Supplies & Other ($300.00-$720.00 per unit)
- Equipment & Disposal ($200.00-$480.00 per unit)
Local Price Adjustments
Material costs4.0% below avg
Labor costs7.0% below avg
Frequently Asked Questions
References
- Pella: Bay Window Replacement, pella.com, retrieved Nov 2026
- Windows by Toll: Bay Window Replacement Costs, windowsbytoll.com, retrieved Nov 2026
- EcoWatch: Bay Window Cost 2026, ecowatch.com, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Charleston
Connect with local fiberglass bay window contractors in Charleston for personalized quotes based on your specific project.