What Is the Cost to Rewire a House?
Updating the wiring in a house could cost between $6 and $10 per square foot, but keeping old wiring could have disastrous consequences. Electrical issues are the third most common cause of house fires in the United States.
Modern technology also may demand rewiring a house. Powering multiple electronic devices, having adequate interior and exterior lighting, and heating and cooling a home to today’s standards are difficult if a home’s electrical system is not up to the task.
Key Points
• Rewiring costs for a house typically range from $6 to $10 per square foot.
• A 1,300-square-foot house may cost between $7,800 and $13,000 to rewire.
• Rewiring a 2,500-square-foot home could range from $15,000 to $25,000.
• Factors influencing rewiring costs include house size, age, work extent, materials used, and wiring access.
• Older and larger homes often require more extensive rewiring, increasing the overall cost.
Factors That Affect the Cost to Rewire a House
Rewiring a home involves removing the outdated wiring inside a home’s walls and installing new, modern wiring that can safely meet today’s electrical needs.
Rewiring is typically done by a licensed electrician who strips out the old wiring and runs new wiring throughout the entire house, installs a new circuit breaker panel to handle the load of the new wiring system, and ensures that building codes are met.
It can be a big job — and an expensive one, too. Let’s look at some common factors that can impact the total cost.
Size of the House
The bigger the home, the more materials and labor the job will likely require. And that can drive up the price. Rewiring a 1,300-square-foot house, for instance, runs around $7,800 to $13,000. For a 2,500-square-foot home, you can expect to pay between $15,000 to $25,000.
House’s Age
Older homes weren’t constructed with 21st century living in mind, so a rewiring project will likely cost more. Common necessities like opening a wall to reach out-of-the-way wiring ($4-$8 per square foot), upgrading outdated wiring ($200-$2,300), and replacing an electrical outlet ($125-$200) can all add to the price tag.
Extent of Work Needed
Small-scale projects are typically cheaper than larger, more complex ones. If you’re planning to set up a new alarm system, run wiring to a backyard shed, or upgrade the electric panel, you’ll likely need to adjust your budget accordingly.
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Signs You Need to Rewire a Home
Flickering lights, outlets making a popping sound, or tripped breakers indicate that a home might need to be rewired. When buying an older home, a home inspection typically reveals if rewiring is recommended or necessary.
Even before a professional inspection, prospective homebuyers may be able to get a good idea of how the home is wired by peeking into the attic, basement, or crawl space.
Vintage charm does not extend to knob and tube wiring, which was common through the mid-1900s. The lack of a ground wire is seen as a significant fire hazard, and most carriers will deny homeowners insurance for a home that has knob and tube electrical wiring.
Another way to check for outdated wiring is to find the electrical panel and see if it has modern breaker switches or round fuses. The fuses indicate that the system is outdated, and rewiring the house might be recommended.
In almost every state, home sellers must disclose defects, but cautious buyers may still want to include the inspection contingency in the purchase contract.
If you’re living in a home with older wiring and notice that your circuit breakers trip often, lights flicker, the light switches feel warm to the touch, or there is a burning smell coming from an outlet, it’s time to schedule an appointment with an electrician.
Cost to Rewire a House Per Material
The cost of rewiring a house depends on square footage and how easy or difficult it is to access the space. But the wiring and cable materials can also have an impact. Let’s take a look:
• Used in most homes, nonmetallic (NM) cables are easy to install, flexible, and cost-effective. If you’re rewiring these cables, expect to pay between $0.40 and $0.80 per linear foot, according to Angi.
• Underground feeder (UF) cables are similar to NM cables, except that they’re designed to go underground or in damp areas. Rewiring UF cables costs around $0.50 to $0.75 per linear foot.
• Durable and able to handle high temperatures, THHN and THWN wires are often used in an unfinished space, like a basement, or for hot water heaters and garbage disposals. They cost $0.80 to $1.60 per linear foot to rewire.
• Coaxial cables have high bandwidth support and are easy to install, which once made them a go-to choice for televisions and video equipment. Today, they’re more commonly used to connect cable or satellite TV signals or for internet connectivity. These cables cost around $0.25 to $0.35 per linear foot to rewire.
Updating a doorbell or thermostat? You’ll likely be working with low-voltage wires, which are used for circuits less than 50 volts. Rewiring typically costs between $0.25 and $0.35.
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How to Cover Your House Rewiring Costs
Rewiring a home is not a small expense. Fortunately, there are various ways to pay for it. Here’s a look at some options.
Home Equity Loans
If you’ve built up equity in your home and are facing a major rewiring project, a home equity loan may be the right choice. There are three main types to consider: a fixed-rate home equity loan, a home equity line of credit (HELOC), and cash-out refinancing.
Each has its pros and cons. For instance, with a fixed-rate home equity loan, you receive a lump sum payment, which you’ll pay back over a period of time with a set interest rate.
A HELOC, on the other hand, is revolving debt. As the balance borrowed is paid down, it can be borrowed again during the draw period, which typically lasts 10 years.
With a cash-out refinance, you can refinance your mortgage for more than what you currently owe, and then take the difference in cash.
Home Improvement Loans
A home improvement loan is a type of personal loan used to fund renovations and upgrades, including rewiring a house. Once your loan application is approved, you’ll receive a lump sum of cash, which you can use to pay for home improvements. You’ll repay the loan, with interest, in regular installments over the life of the loan — typically five to seven years.
These loans are unsecured, which means your home isn’t used as collateral. As a result, they often come with a higher interest rate.
Credit Cards
A credit card is a fast, easy way to fund a rewiring project, and it can be a good option if you’re able to pay off the balance on the card that month. Or look for a card with an introductory 0% annual percentage rate (APR), as this allows you anywhere from six to 18 months to pay back the balance with zero interest. But keep in mind that any balance left after the promotional period ends will start accruing the card’s regular APR.
Cash
Depending on the scope of the project and your budget, you may decide to dip into your savings account or withdraw money from your emergency fund, if you have one.
As you create a budget and weigh your financing options, look for opportunities to save money. Research how much rewiring a house costs in your area, and include a cushion in your budget for unexpected expenses. If you’re not planning to tackle the job yourself, gather quotes from reputable licensed electricians in your area and see which one can offer you the best deal.
Finally, factor in the long-term costs and benefits. Although rewiring might seem cost-prohibitive when buying a single-family home, owners may find that the cost of rewiring a house — and the peace of mind the upgrade provides — can be money well spent.
The Takeaway
At $6 to $10 per square foot, the cost of rewiring a house may seem high. But adequate electrical panels and modern wiring can amp up your home value and prevent fires. Wondering how you’re going to pay for it all? Home equity loans, savings, credit cards, and home improvement loans are all ways to pay for the average cost to rewire a house.
Think twice before turning to high-interest credit cards. Consider a SoFi personal loan instead. SoFi offers competitive fixed rates and same-day funding. Checking your rate takes just a minute.
FAQ
Is it worth rewiring an old house?
Yes, it’s worth rewiring an old house. Replacing outdated wiring can help prevent a house fire and add value to the property. Plus, updated, energy-efficient fixtures are sometimes included in a remodeling job of this scope, which can potentially lower utility costs.
How much does it cost to replace all the electrical wiring in a house?
According to the home services website Angi, home owners can expect to pay anywhere from $601 to $2,590 to rewire a house. However, if you have an older, larger home, you’ll likely pay closer to $6,000.
Can a house be rewired without removing drywall?
In many cases, at least some drywall will need to be removed during a rewiring project. But talk to your electrician to see if the work can be done without disrupting your walls.
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