Do I Need to Tell My Insurer If I'm Renovating Myself Without a Contractor?

A renovation project is underway at home, done by the homeowner rather than a contractor, largely to save on labor costs. One question remains unresolved: should the home insurer be told before starting?
Why the insurer generally wants to know
A homeowner's insurance policy is based on a risk assessment that accounts for, among other things, who's doing the work and how extensive it is. Major work done without a licensed contractor can change that risk profile in the insurer's eyes, especially for work touching plumbing, electrical, or structural elements.
What can happen if the insurer isn't told
| Scenario | Possible consequence |
|---|---|
| Loss directly tied to undisclosed work (water damage, electrical fire) | Claim denial if the insurer determines the work caused the loss |
| Loss unrelated to the ongoing work | Generally covered normally, without complication |
| After-the-fact discovery of undisclosed major work | Can affect future coverage or lead to policy cancellation in the most serious cases |
What kinds of work deserve disclosure
Minor, cosmetic work (paint, flooring, cabinets) generally doesn't need specific disclosure, but work touching plumbing, electrical, structure, or an addition deserves proactive communication with the insurer, regardless of who's doing it.
How to approach the conversation with the insurer
Describe precisely the scope of the planned work, who's doing it, and the project's anticipated duration. The insurer may recommend additional temporary coverage for the duration of the work, particularly if the home will be partially uninhabitable or valuable materials will be exposed on site.
What never to do
Never assume a loss tied to undisclosed work will be covered just because the policy seems general — proactive disclosure before the work protects far better than an after-the-fact explanation during a denied claim.
Frequently asked questions
Can my insurer refuse to insure me if I do the work myself?+
A full refusal is rare, but some insurers may adjust coverage or the premium based on the scope of the disclosed work.
Do small jobs like painting a bedroom really need disclosure?+
Generally not, proactive disclosure mainly concerns major work touching structure, plumbing, or electrical systems.
Is additional temporary coverage expensive?+
The cost varies with the scope of the work and the project's duration, but is generally modest compared to the risk of a denied claim.
What should I do if I haven't disclosed work already underway?+
Contact your insurer as soon as possible to regularize the situation rather than waiting for a potential loss to reveal it.
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More to know before your project.
By Catherine Lavoie — RBQ-licensed general contractor, residential renovation specialist
Updated on July 22, 2026