Flat Roof Replacement cost: Derry Village vs East Concord (2026)
There's essentially no price gap here: flat roof replacement runs close to $11,100 in both Derry Village and East Concord in 2026.
Derry Village NH
Typically around $11,100
East Concord NH
Typically around $11,100
Derry Village vs East Concord: full breakdown
| Factor | Derry Village | East Concord |
|---|---|---|
| Typical 2026 cost | $11,100 | $11,100 |
| Estimated range | $5,700–$16,500 | $5,700–$16,500 |
| Labor index (vs US) | ×1.05 | ×1.05 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $300 | $300 |
| Labor share | $6,650 | $6,650 |
| Materials/equipment | $4,450 | $4,450 |
Treat these as 2026 localized estimates for flat roof replacement, not quotes from a contractor.
No real cost edge either way
This is a statistical tie on flat roof replacement cost, so let contractor reputation and project timing decide, not geography.
Flat roof replacement by type: Derry Village vs East Concord
Every flat roof replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Derry Village | East Concord |
|---|---|---|
| EPDM (rubber) | $5,700–$13,250 | $5,700–$13,250 |
| TPO | $6,800–$14,350 | $6,800–$14,350 |
| PVC | $7,850–$16,500 | $7,850–$16,500 |
| Modified bitumen | $5,700–$12,150 | $5,700–$12,150 |
| Built-up roofing (BUR) | $7,300–$15,400 | $7,300–$15,400 |
Flat roof replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Flat roof replacement by roof size: Derry Village vs East Concord
Flat and low-slope roofs are priced per square (100 sq ft) and run about $3–$11 per sq ft installed, depending on the membrane. The roof area is close to the footprint since there's little pitch.
| Size | Derry Village | East Concord |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,600–$9,500 | $4,600–$9,500 |
| 1,500 sq ft (15 squares) | $5,700–$12,150 | $5,700–$12,150 |
| 2,000 sq ft (20 squares) | $6,800–$15,400 | $6,800–$15,400 |
| 2,500 sq ft (25 squares) | $8,400–$17,550 | $8,400–$17,550 |
| 3,000+ sq ft (30 squares) | $10,000–$20,800 | $10,000–$20,800 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Cheapest time for flat roof replacement in either city
Roofers are slammed the moment warm weather returns, especially after storms. Get on their books in the off-season for a spring job and you're negotiating with an empty calendar, not a waiting list.
Where does a smart roofing budget go in 2026?
A roofing quote can hide a lot behind a single number — whether it's a true tear-off, the shingle grade, and what's under the surface. Here's how our editors sort through it.
The risk case
Budget for the unknown: rotten decking found at tear-off is the most common surprise. Get the per-sheet repair rate in writing up front so a "cheap" bid doesn't balloon mid-job.
The value case
Architectural shingles hit the sweet spot — far more durable than 3-tab for a modest premium, and far cheaper than metal or tile. For most homes they're the right default.
The do-it-right case
Pay for a full tear-off and quality underlayment, flashing and ventilation. An overlay saves money today but traps heat, voids some warranties and costs more at the next replacement.
Insist on tear-off over overlay, get the deck-repair rate in writing before work starts, and lean toward architectural shingles. Skipping any of the three tends to cost more later than it saves now.
Derry Village vs East Concord
Is flat roof replacement cheaper in Derry Village or East Concord?
Practically identical — expect around $11,100 for flat roof replacement whichever city you're in.
Why does flat roof replacement cost more in East Concord than Derry Village?
Labor rates explain most of it — 1.05 in East Concord vs 1.05 in Derry Village. A cold climate versus cold accounts for the rest.
How much is flat roof replacement in Derry Village, NH?
flat roof replacement in Derry Village runs $5,700–$16,500 as of 2026 — most jobs land near $11,100.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
It doesn't vary by location — Late spring to early fall (dry, 45–85°F) is the discount window in both Derry Village and East Concord (roughly 5–10% off), while mid-winter and the post-storm rush tends to be the most expensive in either city.
Should I choose where to live based on flat roof replacement cost?
Cost shouldn't be the deciding factor between Derry Village and East Concord — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik