HomeCostGuide

Home Improvement Costs in New Hampshire

Labor and material costs in New Hampshire run 4% above the national average, based on our regional cost index.

Updated August 2026

Figures below apply our New Hampshire regional index to each guide’s national range. The index comes from the U.S. Bureau of Economic Analysis’s Regional Price Parities by State — a real, sourced government figure, not a guess — though it measures overall regional price levels rather than construction costs specifically. See our methodology for how it’s used and its limitations.

New Hampshire-adjusted cost ranges

ProjectNational rangeNH estimate
Bathroom Remodel$6,500–$25,000$6,750–$26,050
Kitchen Remodel$14,000–$48,000$14,600–$50,000
Roof Replacement$9,200–$18,500$9,600–$19,300
AC Replacement$4,800–$12,500$5,000–$13,050
Water Heater Replacement$1,300–$4,200$1,350–$4,400
Flooring Installation$2,800–$11,000$2,900–$11,450

Labor market

Above the national average, with limited variation between the Manchester-Nashua area and more rural parts of the state.

Climate considerations

Cold winters and heavy snow loads make roof condition and heating system reliability significant factors statewide.

Permitting

Permitting is handled at the municipal level; smaller towns can have longer inspection timelines due to limited staff.

Common projects in New Hampshire