Home renovation costs in New Hampshire.
New Hampshire runs about 9% above the national average for construction in 2026. Here is what the seven most-requested home projects actually cost locally — and how to turn a range into a real quote.

In 2026, a bathroom remodel in New Hampshire costs $9,800–$19,600, a kitchen remodel $15,800–$45,800, and a roof replacement $8,700–$21,800. Overall, New Hampshire construction prices are about 9% above the national average (index 1.09).
2026 cost table for New Hampshire
| Project | 2026 range in NH | Typical |
|---|---|---|
| Bathroom remodel | $9,800 – $19,600 | $14,700 |
| Kitchen remodel | $15,800 – $45,800 | $30,800 |
| Roof replacement | $8,700 – $21,800 | $15,300 |
| Deck / patio | $4,900 – $13,100 | $9,000 |
| Solar install | $16,400 – $30,500 | $23,400 |
| Room addition | $52,300 – $119,900 | $86,100 |
| Interior painting | $2,400 – $7,100 | $4,700 |
Illustrative 2026 ranges: national mid-range bands × the New Hampshire cost-of-construction index (1.09). Your quote depends on site conditions, materials, and local demand — see how we price.
What drives costs in New Hampshire
Boston-commuter demand raises southern NH costs; no sales tax helps on materials.
Budget roughly 9% over national guide prices when planning here. The premium shows up mostly in labor line items — demolition, framing, tile-setting, and electrical — while big-box material prices stay close to national.
For context: the cheapest state in our index is Mississippi (0.84) and the most expensive is Hawaii (1.48). New Hampshire ranks #14 of 51. Try the cost calculators to adjust any project for size and finish level.
How New Hampshire compares in the Northeast
| State | Cost index | Typical bathroom remodel |
|---|---|---|
| New Hampshire | 1.09 | $14,700 |
| Massachusetts | 1.28 | $17,300 |
| New York | 1.26 | $17,000 |
| New Jersey | 1.24 | $16,700 |
| Connecticut | 1.21 | $16,300 |
| Rhode Island | 1.16 | $15,700 |
| Vermont | 1.08 | $14,600 |
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How much does a bathroom remodel cost in New Hampshire?
A typical bathroom remodel in New Hampshire runs $9,800 to $19,600 in 2026, with most homeowners landing near $14,700. Size, finish tier, and moving plumbing drive where you fall in that range.
Is New Hampshire an expensive state to renovate in?
New Hampshire runs about 9% above the national average for construction in 2026 (cost index 1.09, ranked #14 of 51). Boston-commuter demand raises southern NH costs; no sales tax helps on materials.
What does a kitchen remodel cost in New Hampshire in 2026?
Expect $15,800 to $45,800 for a full kitchen remodel in New Hampshire, and $8,700 to $21,800 for a roof replacement. See the full table on this page for all seven major projects.
How do I get an exact price in New Hampshire?
These are illustrative 2026 ranges from Rafter's methodology — national mid-range cost bands adjusted by New Hampshire's cost-of-construction index. For an exact number, request up to 3 free quotes from vetted local pros; quotes are free and carry no obligation.
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