Install Multiple Windows Cost in New Castle, DE in 2026
Most Install Multiple Windows projects in New Castle, DE cost between $4,600 and $18,000. The typical price is $8,500.
Per-window pricing falls as the count rises — most installers price a whole-home job below their single-window rate.
New Castle prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- Vinyl, fibreglass or wood-clad frames
- Double versus triple glazing and low-E coatings
- Full-frame replacement versus insert into the existing frame
- Custom sizes, bays, bows and arched tops
Usually included
- Windows, frames and hardware
- Removal and disposal of the old units
- Installation, insulation and interior trim
- Exterior caulking and capping
Usually extra
- Rotten sill or framing repair found on removal
- Interior painting
- Permits where required
Unit prices in New Castle, DE
| Quality tier | Cost each |
|---|---|
| Budget | $455 |
| Mid-range | $860 |
| High-end | $1,800 |
Window replacement companies in New Castle, DE
Businesses listed on Google near New Castle, DE. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Pella Windows and Doors Showroom of Wilmington, DE
4.9(1,041 reviews)
3622 Concord Pike, Wilmington, DE 19803
Kirkin Exteriors
4.8(436 reviews)
1053 Twin Lane Rd, New Castle, DE 19720
Homecraft Inc.
4.9(265 reviews)
1407 Philadelphia Pike, Wilmington, DE 19809
Renewal by Andersen Window Replacement
4.9(232 reviews)
179 W Chestnut Hill Rd Ste 7, Newark, DE 19713
Glass Doctor of Delaware
4.6(188 reviews)
13 King Ct #1, New Castle, DE 19720
Newport Builders Windowland, Inc.
4.8(94 reviews)
2 E Ayre St, Newport, DE 19804