Open Peril vs. Named Peril
Open peril covers everything except what’s excluded; named peril covers only what’s listed. Most home policies: open peril on the house, named peril on your stuff.
A peril is simply the cause of a loss — fire, wind, theft, a tree coming down. Every property policy has to say which causes it will pay for, and there are only two ways to write that: list what is in, or list what is out.
A named peril form lists what is in. Typical lists run to sixteen or so causes: fire, lightning, windstorm, hail, explosion, smoke, riot, aircraft, vehicles, vandalism, theft, falling objects, the weight of ice and snow, sudden water discharge, and freezing. If the cause of the damage is not on the list, the claim is generally denied — even when nothing in the policy specifically excludes it.
An open peril form, sometimes labeled special form or all risk, flips that around. Every cause is covered unless the policy excludes it. That makes the exclusions page the real coverage list, and it is where flood, earthquake, wear and tear, pests, and neglect usually live.
The difference also shows up in who has to prove what. On a named peril form, the claimant generally has to show the cause is on the list. On an open peril form, the insurer generally has to point to an exclusion. That shift in burden is a large part of what the broader wording is worth.
Most homeowners policies mix the two. The common HO-3 form is open peril on the dwelling and other structures but named peril on personal property. The broader HO-5 extends open peril to contents, and the standard HO-4 renters form is named peril throughout.
In real life
A home policy covers the house on an open peril basis and the contents on a named peril basis. In March a limb punches a hole in the roof. The adjuster checks the exclusions, finds nothing that applies, and the $9,000 repair is paid after the deductible. In April a $2,000 laptop is knocked off the counter and cracks. Accidental breakage is not on the named peril list for contents, so that claim is typically denied.
Common questions
What is the difference between open peril and named peril?
Named peril coverage pays only for causes written into a list inside the policy, such as fire, theft, or windstorm. Open peril coverage pays for any cause except the ones the policy specifically excludes. Open peril is the broader wording, and the burden generally sits with the insurer to point at an exclusion rather than with the claimant to point at a listed cause.
What does all risk mean on a home insurance policy?
All risk is an older label for open peril coverage, and many insurers now say special form instead. It does not mean everything is covered. It means everything is covered except what the policy excludes, and standard exclusions include flood, earthquake, wear and tear, mold, insects, and damage from neglected maintenance. The exclusions section is the list that actually decides claims.
Is personal property covered on an open peril basis?
On most standard homeowners forms, no. Contents are written on a named peril basis even though the house itself is open peril. Broader homeowners forms cover contents on an open peril basis too, usually at a higher premium. Renters forms are typically named peril for contents. The form number printed on the declarations page indicates which version applies.
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Definitions describe how these terms are generally used across the U.S. market. Wording, limits and exclusions vary by insurer, policy form and state — the policy you hold is what controls. See the full Insurance Glossary.