How Much Does a New Roof Cost in Derry, NH? (2027)

Different home? Enter its size and pitch in Derry, NH change

Home size

sq. ft.

Roof pitch3/12 (low slope)5/12 (medium)7/12 (medium)9/12 (steep)10/12 (steeper)12/12 (very steep)

Pick the pitch that matches your roof - the rise over a twelve-inch run. From 9/12 up, crews tie off and work slower, and the price climbs. The New Hampshire default here is 7/12.

In Derry, NH, a typical 1,930 sq. ft. single-story house needs about $12,470 to $19,000 for a new asphalt shingle roof, old shingles off and hauled away. We get there from roughly 23.6 squares of roof (2,364 sq. ft.) pitched at 7/12; one layer comes off, and labor plus materials are in the number.

Per square - the hundred-square-foot unit every roofing bid uses - this job lands at $642.74 installed. If you want architectural 50-year shingles instead, plan on $13,850 to $21,110; metal opens at about $26,820 with steel shingles.

Expect Derry bids to sit roughly $110 higher than the New Hampshire average of $12,380 to $18,870. Derry covers 1 ZIP codes in Rockingham County; roofers based anywhere in that area usually quote these prices.

Derry, NH Roofing Costs by Material

Use this table two ways: to pick a material you can afford, and to spot a quote that sits far outside the normal band for Derry, NH.

These figures are not separate guesses. They run through our roof replacement calculator, metal roof calculator and flat roof calculator with the New England regional factor, which lands pitched roofs 8% above the U.S. average.

Price per Year of Roof

The real cost of a roof is price divided by the years it lasts. Hover a bar: metal costs more up front and less per year.

Reading a Derry, NH Roofing Quote Line by Line

Before you rank quotes by price, check that they cover the same work. Our model values each variable on the 23.6-square roof like this:

• Tear-off. About $3,640 of the quote pays to strip and dispose of one layer; if the roofer finds two layers, figure another $2,360 or so.
• Hips and valleys. Take a basic gable as the baseline. A hip layout costs roughly $1,500 above it; dormers and valleys scattered across the roof cost about $2,540 above it.
• Access. Raise this roof a story and expect about $1,080 on top of the price, for staging, hauling and slower work.
• Roof windows. Each skylight in the scope adds roughly $390 - cheaper now than as a separate job later.
• Bad wood. Damaged decking is the most common mid-job extra. Agree on a price per sheet before work starts.
• Metal details. Drip edge, step flashing and vent boots are cheap to replace during a re-roof; make sure each quote says whether they are new or reused. For gutters, see the gutter cost calculator.
• Paperwork. Local permit fees and dumpster rental vary; ask each roofer to list them rather than add them later.

A fair comparison holds scope constant - same layers off, same underlayment, same flashing and vent work, same decking terms. Then price decides.

Weather, Wear and Your New Hampshire Roof

Region 1 on the map, New Hampshire sees average summer highs near 81°F and winter readings from about 29°F by day to 10°F at night. Local terrain shifts these numbers. The weather above points to a few specific risks for New Hampshire roofs.

Where Shingles Live Longest: the Climate Bell

Asphalt life peaks in the moderate middle (Region 3) and falls toward BOTH ends of the map above - cold regions destroy shingles with ice dams, hot ones bake them. Note the middle columns: shingles marketed as “lifetime” are good for about 25 real-world years at best - New Hampshire is Region 1. Hover any column.

Price a New Roof for Your ZIP Code

Metal Roofing Prices in Derry, NH

Metal costs more on day one and less for each year the roof lasts. Here is what each type would cost on a typical 1,930 sq. ft. single-story house in Derry, NH, and where each one makes sense.

• Standing seam: $35,750 to $54,490. The panels interlock at upright seams, and the clips let the metal grow and shrink with the weather. Budget about $26,710 over architectural shingles for this roof.
• Steel shingles: $26,820 to $40,880. Aluminum shingles: $29,650 to $45,200. Small metal panels with a shingle or tile profile. They go on much like shingles, so hips and dormers are easier than with long panels. Pick aluminum near the ocean and steel inland.
• Stone-coated steel: $36,500 to $55,640. Steel tiles with a coat of stone granules. They are quiet in the rain, hard to dent, and look like tile or shake from the street.
• Copper: custom quote only. A copper roof is hand work by a sheet-metal specialist, and it is priced far above standing seam. It never needs paint and weathers to a green patina. Few homes cover the whole roof with it; dormers and entry roofs are the usual places.

Owners who stay put get the most from metal, because the long service life is where the savings sit. The metal roof calculator prices each panel style separately.

Roofing Season in Derry, NH

Cold winters (highs around 29°F) push most re-roofing into the warm months, when shingle seal strips can bond. Get bids in late winter to secure a spring or summer slot.

Membrane Roof Costs in Derry, NH

Low-slope sections need a sealed membrane instead of shingles. Priced across the whole 1,930 sq. ft. footprint, a membrane roof in Derry, NH costs:

• EPDM rubber: $16,990 to $22,060. Old-school rubber roofing, and still a fair choice. It takes a hailstorm and a hard freeze in stride. The dark color soaks up sun, so it fits best where nobody lives right under it.
• TPO, 60-mil: $14,620 to $18,990. The bright white membrane on many new commercial and home flat roofs. Hot-air welded seams turn the sheets into one skin. Pick it for a sunny roof over living space.
• PVC, 60-mil: $17,680 to $22,960. A flexible white sheet with welded seams that has kept flat roofs dry for decades. It handles ponding water and grease better than the other two.

Price order in Derry, NH: TPO first, PVC last, with EPDM between them. We count new insulation board and one stripped layer in every row. Expect a higher per-square-foot price on a small porch or garage roof. Make sure a new flat roof drains completely; trapped water and winter freezes are a bad combination. Price your exact membrane, insulation thickness and drains with the flat roof calculator.

Other New Hampshire Markets

Moving or comparing? The standard asphalt roof in other New Hampshire cities:

• Manchester, NH: $12,550 to $19,130, about 10 miles northwest
• Nashua, NH: $12,510 to $19,070, about 13 miles southwest
• Concord, NH: $12,510 to $19,070, about 30 miles northwest

Expect similar bids in East Derry, Londonderry, Windham, North Salem and Hampton, all within a short drive of Derry. The New Hampshire roofing cost guide has the statewide numbers and every city.

Common Questions About Re-Roofing in Derry, NH

Should my roofer get a permit in New Hampshire?

In most places, a complete replacement needs a permit and may need an inspection. Your roofer should apply for it; a request that you do it yourself is a warning sign.

How do I estimate my roof size?

Measure the area the roof covers, then scale it up for slope. The 1,930 sq. ft. footprint in this guide, sloped at 7/12, grows to near 2,364 sq. ft. - 23.6 squares once overhang and waste are counted. Ask each roofer for their square count in writing.

What is the usual timeline for a re-roof?

Plan on a few days at most for an asphalt roof around 2,364 sq. ft. Complex shapes, a second layer or bad weather can stretch it.

Is an old roof covered by my insurer?

Policies pay for sudden events, not aging. Check whether yours pays replacement cost or depreciated value; on a $12,470 to $19,000 roof, that choice decides who pays most of the bill.

Run your own numbers: Roof Replacement Calculator · Metal Roof Calculator · Flat Roof Calculator · Gutter Cost Calculator · Attic Insulation Calculator · Roof Heat Cable Calculator

About the numbers: each figure runs through our roofing calculators, adjusted for the New England market and updated for inflation every year. Treat them as a planning guide and compare at least three written bids on identical scope.