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ARTICLE · 11 DECEMBER 2025

Ontario Announces January 1, 2026, Effective Date For Construction Act Changes

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After much anticipation, Ontario has set January 1, 2026, as the date on which the Construction Act amendments will come into force with some modifications.

CanadaReal Estate and Construction
Bevin Shores
Bevin Shores
Edward Betts
Edward Betts
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After much anticipation, Ontario has set January 1, 2026, as the date on which the Construction Act amendments will come into force with some modifications.

Our previous article summarized these changes, which were introduced on October 30, 2024, as part of the omnibus budget bill, Bill 216, Building Ontario For You Act (Budget Measures), 2024. Watch for a more in-depth Gowling WLG Building Brief article on the changes to holdback rules, adjudication procedures, prompt payment, and other areas. We will also be hosting a webinar on January 14, 2026. Please subscribe to our distribution list to stay up to date.

Below is a summary of the key amendments and implications.

1. Update to holdback requirements, lien rights will not expire annually

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