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Jeremy Van CaulartMay 25, 2026 12:00:01 AM1 min read

What Is a Standard Unit By-Law and Why Does It Matter in an Ontario Condo?

What Is a Standard Unit By-Law and Why Does It Matter in an Ontario Condo?
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A standard unit by-law is a condo corporation governing document that defines the baseline finishes and features considered 'standard' in each unit, establishing the line between what the corporation's insurance covers and what falls to the individual owner. It matters because after any insurable damage, this by-law determines who pays for what.

Under Section 99 of the Condominium Act, 1998, Ontario condo corporations are required to obtain insurance covering the common elements and the units themselves. However, the corporation's obligation does not extend to 'improvements' made to units. The standard unit by-law is what separates the two. Features listed in the by-law are covered by the corporation's policy. Anything beyond that definition, whether installed by you or a previous owner, is classified as an improvement and must be insured through your personal condo insurance policy.

The by-law typically describes finishes such as flooring, cabinetry, countertops, interior doors, plumbing fixtures, lighting, and paint. It does not normally include freestanding appliances. Some corporations adopt a restrictive or 'bare bones' definition that covers only structural components and basic finishes, while others maintain a more expansive definition closer to what the developer originally installed. The approach a corporation takes directly affects the insurance premiums for both the corporation and individual owners.

If a corporation does not have a standard unit by-law, there can be significant confusion after damage occurs. Without one, courts have found that the corporation may be responsible for insuring everything within the unit boundaries, including upgrades made by previous owners. That outcome raises costs for all owners through higher common expense contributions tied to insurance premiums. It also makes the claims process slower and more adversarial, as insurers and adjusters attempt to determine original builder specifications years or even decades after construction.

Passing a standard unit by-law requires board approval followed by a vote at a meeting of owners. The by-law must then be registered with the Land Registry Office to become enforceable. When reviewing a condo's status certificate before purchasing, look for whether the corporation has adopted this by-law. Its presence, and the scope of its definitions, will tell you a great deal about your insurance responsibilities as an owner. Understanding your condo insurance obligations

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Jeremy Van Caulart
Jeremy Van Caulart is a Toronto-based real estate broker and team lead of Advantage Group, known for blending high-level media, data-driven marketing, and consultative strategy to help clients make smarter real estate decisions. Recognized among the top performers in the GTA, he specializes in condos and freehold properties across Toronto and the surrounding area.
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