# Home renovation costs in New Hampshire (2026)

> New Hampshire runs about 9% above the national average for construction in 2026 (cost index 1.09, ranked #14 of 51 US states + DC).

**Quick answer:** A bathroom remodel in New Hampshire costs $9,800–$19,600 in 2026. Boston-commuter demand raises southern NH costs; no sales tax helps on materials.

## 2026 cost table for New Hampshire
| Project | 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 |

Method: national mid-range cost bands × the New Hampshire cost-of-construction index (1.09). Illustrative ranges, not quotes — see https://raftercost.com/how-we-price.

## Northeast comparison (cost index)
- Massachusetts: 1.28 — https://raftercost.com/costs/massachusetts
- New York: 1.26 — https://raftercost.com/costs/new-york
- New Jersey: 1.24 — https://raftercost.com/costs/new-jersey
- Connecticut: 1.21 — https://raftercost.com/costs/connecticut

## Get an exact price
- Up to 3 free quotes from vetted New Hampshire pros: https://raftercost.com/quotes
- Adjust any project for size and finish: https://raftercost.com/calculators

Source: https://raftercost.com/costs/new-hampshire