Wood & Fiberglass Window Replacement cost: Dover vs Wilmington (2026)
Dover runs 7% lower than Wilmington for wood and fiberglass window replacement — expect around $17,150 in Dover against $18,300 in Wilmington, a difference of about $1,150.
Dover DE
Lower costTypically around $17,150
Wilmington DE
Typically around $18,300
Dover vs Wilmington: full breakdown
| Factor | Dover | Wilmington |
|---|---|---|
| Typical 2026 cost | $17,150 | $18,300 |
| Estimated range | $9,850–$24,450 | $10,500–$26,100 |
| Labor index (vs US) | ×0.97 | ×1.04 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $125 |
| Labor share | $9,450 | $10,050 |
| Materials/equipment | $7,700 | $8,250 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
How much should this gap actually matter?
At 7%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for wood and fiberglass window replacement — focus on the contractor, not the city.
Wood and fiberglass window replacement by type: Dover vs Wilmington
Each wood and fiberglass window replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Dover | Wilmington |
|---|---|---|
| Fiberglass | $9,850–$21,500 | $10,500–$23,000 |
| Composite | $10,800–$22,500 | $11,550–$24,050 |
| Aluminum-clad wood | $12,750–$26,400 | $13,650–$28,200 |
| Solid wood | $13,750–$29,300 | $14,700–$31,300 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Wood and fiberglass window replacement by number of windows: Dover vs Wilmington
Wood and fiberglass windows are a premium upgrade — figure roughly $800–$2,500 per window installed depending on material, size, and finish. Cost scales with the number of openings, and wood typically runs higher than fiberglass.
| Size | Dover | Wilmington |
|---|---|---|
| 5 windows | $4,500–$10,800 | $4,800–$11,550 |
| 10 windows | $8,900–$19,600 | $9,500–$20,900 |
| 15 windows | $13,250–$27,350 | $14,150–$29,250 |
| 20 windows | $17,650–$35,150 | $18,850–$37,550 |
| 25+ windows (whole home) | $21,500–$43,900 | $23,000–$46,900 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
What windows pros earn in each metro
With labor making up about 55% of a wood and fiberglass window replacement job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
No BLS metro wage series for Dover; we use Delaware regional price parity instead.
Philadelphia-Camden-Wilmington metro · about 7% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for wood and fiberglass window replacement in either city
Window installers slow down in cold months and manufacturers run their deepest promotions in fall and winter, so off-season buyers catch both labor discounts and rebates.
How much should new windows really cost you?
A window budget rests on three choices — frame material, glass package and how it's installed. Our editors weigh in on where the money is well spent.
The value case
Double-pane, low-E vinyl is the workhorse spec for a reason: it handles the vast majority of drafts and heat loss without the price jump of premium materials. When you're replacing every window at once and watching the total, it's the default that leaves the least on the table.
The efficiency case
Where winters bite or summers punish, upgrading the glazing — triple-pane or a gas-filled low-E package — returns real money on heating and cooling bills, and ENERGY STAR-rated units can open the door to rebates. Put that upgrade money into the glass before you spend it on a fancier frame.
The install case
Installation is where a window quote quietly makes or breaks itself. A pocket insert dropped into a deteriorating opening leaks no matter how good the unit is, while a full-frame replacement with correct flashing holds up. Choose the method that fits what's actually behind the trim, not the one that shaves the estimate.
If you're trimming a window budget, trim the frame material before the glass package or the installation — those two are where corners actually show up, in comfort and in leaks.
Dover vs Wilmington
Is wood and fiberglass window replacement cheaper in Dover or Wilmington?
Dover comes out ahead here, at roughly $17,150 for wood and fiberglass window replacement compared with $18,300 in Wilmington — a 7% ($1,150) gap as of 2026.
Why does wood and fiberglass window replacement cost more in Wilmington than Dover?
Wilmington's higher labor index (1.04 vs 0.97 in Dover) is the biggest factor, with the mixed/mixed climate split playing a smaller role.
How much is wood and fiberglass window replacement in Dover, DE?
In Dover, wood and fiberglass window replacement typically runs $9,850–$24,450 in 2026, with most homeowners paying around $17,150.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
No, the seasonal pattern is the same in Dover and Wilmington: book during Late fall and winter for about 5–15% in savings. Spring and summer peak is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on wood and fiberglass window replacement cost?
That would be a stretch. $1,150 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Wilmington can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Updated June 2026 · By Serhat Özçelik