Basic
$433 – $1,213 each
Thermally broken aluminum casement with dual-pane low-E glass, white finish, crank operator and single-point lock, old unit removed

Rendering: BuildX
Supply and install one aluminum-frame casement replacement window in an existing opening, including removal and disposal of old unit.
Aluminum Casement Window in Wilmington, Delaware typically costs $510 to $1,427 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Wilmington are 4.0% higher than the national average for aluminum casement window.
National average: $500 – $1,400 each
$433 – $1,213 each
Thermally broken aluminum casement with dual-pane low-E glass, white finish, crank operator and single-point lock, old unit removed
$510 – $1,427 each
Thermally broken aluminum casement with argon-filled low-E dual-pane glass, white finish, folding crank, multi-point lock
$637 – $1,783 each
Heavier thermally broken casement frame with argon low-E laminated glass, warm-edge spacers, white finish, folding crank, multi-point lock
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $218 – $611 | each |
| Labor | labor | $194 – $544 | each |
| Supplies & Other | supplies | $58 – $163 | each |
| Equipment & Disposal | equipment | $39 – $109 | each |
Aluminum casement frame being shimmed and leveled in the opening
Rendering: BuildX
Find a pro to do thisClose-up of folding crank handle and multi-point lock on a casement sash
Rendering: BuildX
Find a pro to do thisLabor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
BuildX Pro researches and reviews the national price range for Aluminum Casement Window, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local aluminum casement window contractors in Wilmington for personalized quotes based on your specific project.