2026 local pricing guide for window replacement in Wilmington, DE with cost breakdowns and provider data.
Wilmington, DE Average
$315 – $1,260
Most homeowners pay around $790
Low
$315
Typical
$790
High
$1,260
Based on national averages adjusted for DE cost of living (+5% vs. national average).
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Licensed Providers in Wilmington
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| Project Type | Low | Typical | High |
|---|---|---|---|
| Double-Hung Window | $315 per window | $630 per window | $1,050 per window |
| Casement Window | $370 per window | $735 per window | $1,260 per window |
| Bay/Bow Window | $1,050 per window | $2,100 per window | $3,675 per window |
| Picture Window | $420 per window | $840 per window | $1,575 per window |
| Full Home (10-15 windows) | $5,250 | $9,450 | $15,750 |
| Sliding Glass Door | $840 | $1,575 | $3,150 |
Prices adjusted for Wilmington, DE cost of living. Actual costs may vary. Get multiple quotes for accurate pricing.
Window Replacement in Wilmington, DE typically costs $315 to $1,260, with most homeowners paying around $790. Costs vary based on project scope, materials, and the contractor you hire.
There are 9897 verified window replacement providers in Wilmington, DE. We recommend getting quotes from at least 3 providers.
A standard double-hung window replacement costs $300 to $1,000 per window installed. Specialty windows like bay windows cost $1,000 to $3,500 each.
Replace windows if they are drafty, difficult to open/close, have condensation between panes, are 15-20+ years old, or you want to improve energy efficiency.
Yes. Energy-efficient windows can reduce heating and cooling costs by 10-25%. Look for ENERGY STAR certification and Low-E coatings.
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