Insurance Payout Does Not Have to Cover Rebuilding Upgrades Required by Regulators

On January 30, 2026, the Supreme Court of Canada released its decision in Emond v. Trillium Mutual Insurance Co., resolving a dispute over how far a "guaranteed rebuilding cost" insurance endorsement actually extends when local regulations make rebuilding more expensive.

What happened

Stephen and Claudette Emond's home on the Ottawa River was destroyed in flooding in April 2019. Because the property fell within the jurisdiction of the Mississippi Valley Conservation Authority, rebuilding required complying with the authority's permitting and construction rules - which cost significantly more than simply replacing what had been there before. The Emonds' policy included a Guaranteed Rebuilding Cost endorsement, promising to cover the cost of rebuilding with similar materials regardless of the policy's stated limit - but the base policy also excluded increased costs arising from compliance with laws regulating construction, subject to a separate $10,000 allowance specifically for bylaw and code compliance costs.

An application judge initially agreed with the Emonds that the guaranteed rebuilding endorsement overrode the compliance-cost exclusion entirely. The Ontario Court of Appeal reversed that finding, holding that coverage for the conservation authority's requirements was capped at the $10,000 allowance.

The Supreme Court's reasoning

Writing for a 7-2 majority, Justice Rowe held that the policy had to be read as a whole, and that the guaranteed rebuilding endorsement served a specific, narrower purpose: it allowed homeowners to recover rebuilding costs even where those costs exceeded the ordinary policy limit, but it did not override a clearly worded exclusion elsewhere in the same policy. The Court also rejected the argument that reading the policy this way improperly "nullified" the coverage the Emonds thought they were purchasing, clarifying how that doctrine should be applied in future insurance disputes.

Why this matters for homeowners

This is now the leading word on how Canadian courts will interpret the interaction between broad-sounding endorsements and specific exclusions in property insurance policies. For homeowners, particularly those in flood-prone or environmentally regulated areas, it's a reminder that a "guaranteed" rebuilding endorsement is not necessarily a blank cheque - the base policy's exclusions and any capped allowances still apply unless the endorsement specifically and clearly says otherwise. Anyone rebuilding after a loss in a regulated area should review, in detail, exactly what their policy's compliance-cost provisions actually promise before assuming full costs are covered.