Is Your Home Insurance at Risk? Why Old Wiring Could Cost You Big
When you think about your home insurance, you probably think about coverage for storms or unexpected accidents. But there is a hidden factor that could cause your insurance company to drop you or spike your rates: your home’s wiring.
Insurers are becoming much stricter about what’s happening behind your walls. If your home was built before the 1970s, your “grandfathered” wiring might actually be a financial ticking time bomb.
The Insurance Problem Nobody Warns You About
Most homeowners don’t realize there’s a problem until they try to renew their policy or sell their house. During a home electrical review, insurance inspectors look for specific “red flag” systems that they consider high-risk for fires.
What Insurers Are Flagging:
- Knob-and-Tube Wiring: This is the oldest type of electrical system. Because it isn’t grounded and the insulation can become brittle, many insurance companies will refuse to cover a home that still has it.
- Cloth-Insulated Wiring: Over time, the cloth becomes dry and flaky, leaving bare wires exposed inside your walls.
- Ungrounded Circuits: If your outlets only have two slots instead of three, your system can’t safely handle power surges, which makes insurers nervous.
If an inspector finds these, you might face a “premium surcharge” (a much higher bill) or a denied policy, which can completely stall a home sale or a refinance.
What “Old Wiring” Actually Means
If your home was built before 1970, you likely have one of three “generations” of wiring. Knowing which one you have is the first step to staying covered.
- Knob-and-Tube (Pre-1940s): Look for white ceramic “knobs” and “tubes” that the wires run through in your attic or crawlspace.
- Cloth-Jacketed (1940s–1950s): Wires wrapped in a woven fabric.
- Early Romex (1960s): Plastic-coated wiring that may or may not have a ground wire.
The Danger of “Mixed” Wiring: Often, homeowners do partial DIY updates over the years. Having a mix of brand-new wiring spliced into 60-year-old circuits is often more dangerous than an all-original system because the old parts of the loop can’t handle the load of modern appliances.
What a Home Rewire Project Actually Involves
If your wiring is outdated, a “whole-home rewire” is the best way to protect your investment. But don’t worry—it doesn’t always mean tearing down every wall.
- Full vs. Partial Rewire: An electrician will look at your system to see if they can just update the high-use areas (like the kitchen and laundry) or if the whole house needs a fresh start.
- The Process: Electricians create small access points to fish new wires through the walls. Afterward, there will be some minor patching, followed by a professional permit inspection to make sure everything is up to the latest safety codes.
- What Drives the Cost: The price usually depends on the size of your home, how easy it is to access your attic or crawlspace, and the number of new outlets and switches you want to add.
Keeping Your Home Safe and Insurable
Keeping your home’s electrical system up to date isn’t just about safety—it’s about making sure your home stays protected by your insurance for years to come. Modern wiring gives you peace of mind, better power for your gadgets, and a “clean bill of health” for your insurance provider.
At Electric Avenue LLC, we help homeowners throughout the Portland metro area, including Clackamas, Multnomah, and Washington County. We are a family-owned business that specializes in helping people navigate the transition from old wiring to safe, modern systems. We speak in simple, informal English and focus on what’s best for your home and your budget.
Worried about your wiring? If you’ve been flagged by an insurance inspector or you’re just curious about the state of your old home’s electrical system, we’d love to help. Reach out to us for an estimate, and let’s make sure your home stays safe and fully covered.