Wood & Fiberglass Window Replacement cost: Derry Village vs Dover (2026)
There's essentially no price gap here: wood and fiberglass window replacement runs close to $19,150 in both Derry Village and Dover in 2026.
Derry Village NH
Typically around $19,150
Dover NH
Typically around $19,150
Derry Village vs Dover: full breakdown
| Factor | Derry Village | Dover |
|---|---|---|
| Typical 2026 cost | $19,150 | $19,150 |
| Estimated range | $11,000–$27,250 | $11,000–$27,250 |
| Labor index (vs US) | ×1.04 | ×1.04 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.04 | ×1.04 |
| Local permit | $125 | $125 |
| Labor share | $10,550 | $10,550 |
| Materials/equipment | $8,600 | $8,600 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Basically a tie — focus on the contractor
The two metros are effectively a wash for wood and fiberglass window replacement — pick on contractor quality and timing, not location.
Wood and fiberglass window replacement by type: Derry Village vs Dover
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 | Derry Village | Dover |
|---|---|---|
| Fiberglass | $11,000–$24,000 | $11,000–$24,000 |
| Composite | $12,050–$25,100 | $12,050–$25,100 |
| Aluminum-clad wood | $14,250–$29,450 | $14,250–$29,450 |
| Solid wood | $15,350–$32,700 | $15,350–$32,700 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Wood and fiberglass window replacement by number of windows: Derry Village vs Dover
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 | Derry Village | Dover |
|---|---|---|
| 5 windows | $5,000–$12,050 | $5,000–$12,050 |
| 10 windows | $9,900–$21,850 | $9,900–$21,850 |
| 15 windows | $14,800–$30,550 | $14,800–$30,550 |
| 20 windows | $19,650–$39,200 | $19,650–$39,200 |
| 25+ windows (whole home) | $24,000–$49,000 | $24,000–$49,000 |
Wood and fiberglass window replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Cheapest time for wood and fiberglass window replacement in either city
Window crews go quiet once the weather turns cold, and manufacturers time their deepest promotions to the same months — so an off-season buyer stacks a labor discount on top of a rebate.
How much should new windows really cost you?
Where a window budget goes wrong is usually the mismatch — premium frames paired with basic glass, or a good window sunk by a rushed install. Frame, glazing and install method each pull the price, and each deserves its own decision.
The value case
For a whole-home replacement on a fixed budget, vinyl frames with double-pane low-E glass capture nearly all the comfort and efficiency gains at the lowest entry point. Stepping up to fiberglass or triple glazing buys diminishing returns most homeowners never actually notice.
The efficiency case
Extreme climates are the one setting where premium glazing pays for itself over the years: triple-pane and gas-fill packages hold indoor temperatures steadier and trim the utility bill, with rebate eligibility a possible bonus on ENERGY STAR models. Between a better frame and better glass, the glass is where the payback lives.
The install case
The best window on the market still fails when it's set into a bad opening without proper flashing. If the existing frame is rotted, a full-frame replacement that reseals the opening outlasts a cheap pocket insert every time — let the home's condition, not the lowest bid, decide the method.
Vinyl frames are the sensible default unless your situation says otherwise; the glass package is where climate-specific spending pays off. Install quality is the one place a discount always costs more later.
Derry Village vs Dover
Is wood and fiberglass window replacement cheaper in Derry Village or Dover?
Practically identical — expect around $19,150 for wood and fiberglass window replacement whichever city you're in.
Why does wood and fiberglass window replacement cost more in Dover than Derry Village?
The main driver is local labor rates: Dover's labor index is 1.04 versus 1.04 in Derry Village. Climate zone (cold vs cold) also shift the total.
How much is wood and fiberglass window replacement in Derry Village, NH?
In Derry Village, wood and fiberglass window replacement typically runs $11,000–$27,250 in 2026, with most homeowners paying around $19,150.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
Timing doesn't change by city here — Late fall and winter is the cheapest window in both Derry Village and Dover, saving roughly 5–15%. Avoid spring and summer peak in either location, when emergency replacements push prices up.
Should I choose where to live based on wood and fiberglass window replacement cost?
There's no cost argument here between Derry Village and Dover — they're a wash. Focus on contractor reputation, project scope, equipment tier and timing.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik