| Average cost | $15,000 |
| Medium | $13,000 - $17,000 |
| Low end and high end | $10,500 - $22,000 |
New Hampshire laws do not require a contractor making home improvements or constructions in New Hampshire to have a state license. Licensure at the state level is required for electrical and plumbing. A homeowner should check if the project complies with local city or county building codes.