Constructive dismissal — Ontario Employment Law

Have you ever felt forced to quit your job? Not because you found a new one, but because your employer made your work situation unbearable? This is the core idea behind constructive dismissal. In Ontario, constructive dismissal happens when an employer makes a significant, one-sided change to a fundamental term of your employment contract, or engages in conduct that shows they no longer intend to be bound by the contract. While you are the one who resigns, the law treats it as if your employer terminated you without cause.

These changes, often called 'unilateral changes', must be substantial. Minor inconveniences typically do not qualify. Common triggers for a constructive dismissal claim include a significant cut in your pay or hours, a demotion in title or responsibilities, a forced relocation to a different city, or a failure by the employer to address a toxic or harassing work environment. As established by common law in Ontario, even a temporary layoff can be considered a constructive dismissal if your employment contract does not explicitly give the employer the right to lay you off.

To succeed in a claim, an employee must generally prove two things. First, that the employer's action was a serious breach of the employment contract. Second, that a reasonable person in the employee's position would have felt that the employer's conduct made continued employment impossible. It is crucial to act quickly. If you continue to work under the new, changed conditions for too long without formally protesting, you may be seen as having accepted the changes, thereby losing your right to claim constructive dismissal. Because the decision to resign carries significant risk, understanding whether your situation meets the high legal threshold for constructive dismissal is a complex matter where professional guidance is invaluable.