performance issues grounds for unlawful dismissal
Performance issues are one of the most common reasons employers cite when terminating an employee. However, not every dismissal based on poor performance qualifies as an unlawful dismissal. Employers generally have the right to end employment if an employee consistently fails to meet reasonable expectations or job requirements. That said, the process and context surrounding the dismissal are crucial in determining whether it crosses the line into unlawful territory. When certain legal protections are ignored, or discriminatory or retaliatory motives are involved, a termination citing performance issues may indeed result in a claim of unlawful dismissal.
For a dismissal to be lawful, especially when related to performance, employers are expected to follow a fair and transparent process. This includes clearly communicating performance expectations, providing adequate training and support, issuing warnings if standards are not met, and giving the employee an opportunity to improve. When employers skip these steps or act hastily without documentation or due process, the termination can be challenged. If a performance-based dismissal is actually a pretext for other illegal motives—such as discrimination based on race, gender, age, disability, or retaliation for whistleblowing—the employee may have grounds to claim unlawful dismissal.
Unlawful dismissal occurs when a termination breaches employment laws or an employee’s statutory rights. This can include being fired for reasons unrelated to performance, such as filing a complaint about workplace safety, taking medical leave, or requesting accommodations for a disability. If an employer uses performance issues as a cover to remove an employee who has recently exercised a protected right, it undermines the legitimacy of the dismissal and opens the door to legal challenge. In these cases, courts and employment tribunals may look beyond the employer’s stated reasons to determine whether the dismissal was truly based on performance or if there was an ulterior motive.

Are performance issues grounds for unlawful dismissal?
Additionally, dismissing an employee for performance issues without following company policies or employment contract provisions can also amount to unlawful dismissal. Many employment agreements and workplace handbooks outline specific disciplinary procedures that must be followed before termination. Ignoring these procedures can not only breach the contract but also violate employment standards legislation, especially if the employee is not given proper notice or severance pay as required by law.
In some cases, performance issues may stem from underlying factors such as disability, mental health challenges, or workplace harassment. If an employer fails to explore these underlying issues and moves directly to termination, it may be considered an unlawful dismissal, particularly if the employee requested accommodations or reported mistreatment. The failure to accommodate an employee’s needs, followed by a dismissal framed as a performance issue, can be viewed as discriminatory and legally unjustifiable.
In conclusion, while performance issues can be legitimate grounds for ending employment, they must be handled carefully and lawfully. A dismissal that fails to follow fair procedures, violates statutory protections, or masks an unlawful motive can lead to serious legal consequences. Employees facing such situations may have the right to challenge the termination and seek remedies under unlawful dismissal laws, especially if there is evidence that performance concerns were used unfairly or discriminatorily.