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One of the first questions on every homeowners insurance application is the year your house was built. It is not small talk. The age of your home is a real pricing input, and the difference between a house built last year and one built in 1975 can add up to hundreds of dollars a year.
Why older homes cost more to insure
Three things tend to age badly inside a house, and all three worry insurers:
Electrical systems. Knob-and-tube wiring, old fuse boxes, and aluminum branch wiring are still common in houses built before the 1970s. They raise fire risk, and some insurers will not write a policy at all until the electrical is updated.
Plumbing and heating. Galvanized steel pipes corrode from the inside and eventually burst. Cast iron drain lines crack. Old boilers and furnaces fail. Water damage from a burst pipe is one of the most common homeowners claims, and older systems fail more often. If you are not sure what your policy covers here, see what homeowners insurance covers for water damage.
Roofs. A 25-year-old asphalt shingle roof is at or past the end of its life. Insurers price that in directly. We covered this in detail in our guide to how roof age affects your homeowners insurance rates.
There is a fourth factor that has nothing to do with wear: building codes. Houses built decades ago were constructed under older codes. Modern codes require things like hurricane straps, impact-resistant windows in wind zones, and specific roof-deck attachments. Newer homes have them by default, which lowers expected claim costs.
Why new homes are cheaper to insure
A newly built home gets the benefit of every code update, new wiring, new plumbing, a new roof, and new HVAC on day one. Many insurers offer new-home discounts that apply for roughly the first ten years of the home’s life. The discount usually shrinks as the house ages.
New homes also tend to have fewer unknown problems. An inspector can find most of what is wrong with an old house, but not all of it. Insurers price that uncertainty into older homes.
The middle ground: renovated older homes
An old house with new systems is a different animal from an old house with original ones. If you have updated the roof, electrical, plumbing, or HVAC, tell your insurer and be ready to document the work with permits or contractor invoices. Many carriers will reclassify the home or apply renovation discounts once the updates are verified.
What helps the most, in rough order: a new roof, updated electrical, updated plumbing, and a new HVAC system. Cosmetic renovations like kitchens and bathrooms make the house nicer but do very little for your insurance price.
What to do if your home is older
Get quotes from several insurers, because carriers differ a lot in how they price old homes. Some specialize in them and price more fairly than the big national brands. Ask specifically about discounts for system updates, and keep documentation of any work you do. If you are shopping for coverage and want the full picture of what a policy includes, start with what homeowners insurance covers.
