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How much do replacement windows cost?

Most homeowners pay $300-$1,200 per window installed. This Old House’s 2026 survey puts the national average at $517 per window and $7,183 per project. Below: what each material, style, brand and special job typically costs.

All window costs

Window replacement OverallWindow replacement $300-$1,200 per window, installed Whole-house window replacement OverallWhole-house window replacement $3,000-$24,000 per project Vinyl windows By materialVinyl windows $300-$900 per window, installed Fiberglass windows By materialFiberglass windows $500-$1,500 per window, installed Wood windows By materialWood windows $500-$2,000 per window, installed Aluminum windows By materialAluminum windows $300-$900 per window, installed Composite windows By materialComposite windows $400-$1,500 per window, installed Double-hung windows By styleDouble-hung windows $500-$1,100 per window, installed Single-hung windows By styleSingle-hung windows $300-$800 per window, installed Casement windows By styleCasement windows $450-$1,300 per window, installed Sliding windows By styleSliding windows $450-$1,650 per window, installed Picture windows By stylePicture windows $400-$1,500 per window, installed Awning windows By styleAwning windows $400-$1,200 per window, installed Bay and bow windows SpecialtyBay and bow windows $1,600-$6,500 per window Egress window SpecialtyEgress window $2,718-$5,878 per window, installed Basement window replacement SpecialtyBasement window replacement $500-$1,000 per window, installed Sliding glass door replacement SpecialtySliding glass door replacement $1,200-$4,500 per door, installed Window glass replacement Glass & laborWindow glass replacement $280-$350 per pane, on average Triple-pane windows Glass & laborTriple-pane windows $500-$1,500 per window, installed Window installation labor Glass & laborWindow installation labor $100-$500 per window, labor only Andersen windows BrandsAndersen windows $400-$4,000 per window, installed Pella windows BrandsPella windows $800-$2,200 per window, installed Renewal by Andersen windows BrandsRenewal by Andersen windows $1,500-$5,000 per window, installed Roof replacement Beyond windowsRoof replacement $7,444-$24,653 for a 1,900 sq ft home HVAC replacement Beyond windowsHVAC replacement $5,000-$12,500 full system, installed Heat pump Beyond windowsHeat pump $4,200-$7,600 installed (air-source) Solar panels Beyond windowsSolar panels $27,526-$33,869 for a 12 kW system, before incentives

Average cost by material (This Old House, 2026)

Material Average per window
Aluminum $453
Vinyl $472
Composite $513
Wood $544
Fiberglass $564

Average cost by style (This Old House, 2026)

Style Average per window
Single-hung $474
Casement $529
Sliding $531
Picture $540
Awning $545
Bay $550
Double-hung $551

Averages are for standard sizes. Large, custom and premium-brand windows cost far more; see each guide for ranges.

How to check a quote

Divide the total by the number of windows. If the per-window price is far above the ranges here, ask what’s included: full-frame installation, trim, custom sizes, premium glass or a full-service brand can all explain it. Then compare with our calculator and how to compare window quotes.