Whole-House Rewiring in New Hampshire
Replacement of obsolete or unsafe wiring throughout a home — knob-and-tube, cloth-insulated, two-wire ungrounded or failing aluminium branch circuits.
Serving 122 cities and 9 counties across New Hampshire, on Eastern time.
Typical national range $8,000 – $30,000 · Planned project — free estimates typical
- Local crews who know your area’s permit office, inspection timelines and housing stock.
- 24/7 availability for genuine emergencies — burning smells, sparks, water damage and total power loss.
- Permits pulled where the job requires one, so the work is inspected and documented for resale.
- Repairs tested under load before sign-off, not just switched on and left.
- Insurance and workers’ compensation verified before anyone arrives at your property.
Whole-House Rewiring in New Hampshire: when to call
- Knob-and-tube, cloth-wrapped or fabric-insulated wiring is visible
- Two-prong outlets throughout, or three-prong outlets with no ground path
- Aluminium branch circuit conductors on 15 and 20 amp circuits
- Home insurance refuses coverage, or a lender requires an electrical report
- Repeated nuisance breaker trips across multiple unrelated circuits
- Every repair uncovers a new problem because the wire itself is the problem
Cost in New Hampshire
The line items below are national 2026 planning ranges for this work. Local variation in New Hampshire comes from labour rates, permit fees and access — not from the job description.
| Work | Typical range | Notes |
|---|---|---|
| Whole-home rewire, open access (attic/basement bays) | $8,000 – $16,000 | Roughly $4-$7 per sq ft in easy-access homes |
| Whole-home rewire, fully finished with plaster | $14,000 – $30,000 | Up to $15 per sq ft in dense markets |
| Partial rewire (circuit groups / one floor) | $2,500 – $9,000 | Often the first phase |
| Knob-and-tube removal and replacement | $3,000 – $12,000 | Depends on how much remains |
| Aluminium branch circuit remediation | $2,000 – $8,000 | Pigtailing copper at each device, or full replacement |
What the work involves
- Room-by-room wiring map and a written scope before work starts
- New grounded circuits, outlets, switches, boxes and plates
- New AFCI and GFCI protection as required by the adopted code
- Drywall patching of small access holes after the wire is run
- Panel coordination, permit filings and inspection sign-off
What drives the price in New Hampshire
Access is the cost driver, not copper: a home with an unfinished attic, basement or crawlspace can cost half of one with plaster walls and no cavity access.
Phasing is common — many owners rewire circuit groups across several visits, which spreads the cost across budgets.
Whole-House Rewiring by city in New Hampshire
Pick the city closest to you for the local page, including every covered ZIP code and the local electrician listing.
Whole-House Rewiring in Manchester
Whole-House Rewiring in Nashua
Whole-House Rewiring in Concord
Whole-House Rewiring in Portsmouth
Whole-House Rewiring in Rochester
Whole-House Rewiring in Dover
Whole-House Rewiring in Tilton
Whole-House Rewiring in Hampton
Whole-House Rewiring in Amherst
Whole-House Rewiring in Andover
Whole-House Rewiring in Antrim
Whole-House Rewiring in Atkinson
Whole-House Rewiring in Auburn
Whole-House Rewiring in Barnstead
Whole-House Rewiring in Barrington
Whole-House Rewiring in Bedford
Whole-House Rewiring in Bennington
Whole-House Rewiring in Bow
Whole-House Rewiring in Bradford
Whole-House Rewiring in Brookline
Whole-House Rewiring in Candia
Whole-House Rewiring in Canterbury
Whole-House Rewiring in Center Barnstead
Whole-House Rewiring in Center Harbor
Map of New Hampshire coverage for this service
The 14 largest covered cities in New Hampshire for whole-house rewiring.
Sample ZIP codes in New Hampshire
Whole-House Rewiring in New Hampshire — FAQ
Do you handle both homes and small businesses?
Most local electrical contractors take residential work and light commercial work such as retail, restaurant and office premises, including three-phase distribution, lighting retrofits and dedicated equipment circuits. Larger commercial projects are quoted from a site survey.
What should I do while waiting for an electrician?
For an urgent fault, switch the affected circuit off at the panel and leave it off. If the panel itself is hot, smoking, sparking or wet, do not touch it and keep everyone away from it. Never pull a meter or open a panel, and never pour water on anything electrical.
What does whole-house rewiring cost in New Hampshire?
The national 2026 range for this work is $8,000 to $30,000. Expect New Hampshire pricing to sit somewhere in that band, adjusted for local labour rates, permit fees and how accessible the wiring is. Ask for a flat price per task rather than an hourly estimate.
What warranty should I expect?
Workmanship warranties are set by the contractor, and one to two years on labour is common on larger jobs, with manufacturers covering the equipment separately. Ask for the warranty terms in writing on the invoice, not verbally.
Does whole-house rewiring need a permit in New Hampshire?
Permit requirements depend on the job and on your city or county, not just the state. Work involving a panel, a service change, new circuits or wet locations almost always needs one, and the inspection is carried out locally. Ask the contractor to confirm and to file it.
Who does whole-house rewiring in New Hampshire?
Whole-house rewiring in New Hampshire is performed by licensed electrical contractors working within their own local service areas. The network covers 147 ZIP codes here, and requests are routed by address rather than by city name.
Which cities in New Hampshire request this most?
The highest volume comes from Manchester, Nashua, Concord, Portsmouth, Rochester and the surrounding suburbs, which is where the densest housing stock and the oldest wiring systems tend to be.
Is a permit needed for electrical work?
Permits are commonly required for panel replacements, service upgrades, new circuits, and work in wet locations like kitchens, bathrooms and outdoors. Simple device replacements often do not need one. Because requirements are set locally, the safest approach is to ask the contractor who will pull the permit and confirm the inspection record afterwards.
This service in other states
- Whole-House Rewiring in California
- Whole-House Rewiring in Texas
- Whole-House Rewiring in Pennsylvania
- Whole-House Rewiring in New York
- Whole-House Rewiring in Florida
- Whole-House Rewiring in New Jersey
- Whole-House Rewiring in Massachusetts
- Whole-House Rewiring in Illinois
- Whole-House Rewiring in Ohio
- Whole-House Rewiring in North Carolina
- Whole-House Rewiring in Washington
- Whole-House Rewiring in Iowa
- Whole-House Rewiring in Georgia
- Whole-House Rewiring in Maryland
- Whole-House Rewiring in Indiana
- Whole-House Rewiring in Minnesota
- Whole-House Rewiring in Connecticut
- Whole-House Rewiring in Michigan
- Whole-House Rewiring in Louisiana
- Whole-House Rewiring in Alabama
Related services
Whole-House Rewiring in New Hampshire — get a price
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