This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Understand mitigation of loss in employment law claims in England and Wales. Learn how tribunals assess job-seeking efforts, training, and other steps to reduce financial losses after dismissal, and how it impacts compensation awards.
In employment law, the principle of mitigation of loss is a key factor in determining compensation in claims for unfair dismissal, breach of contract, or discrimination. Tribunals in England and Wales expect claimants to take reasonable steps to reduce their financial losses after a dismissal or other employment dispute. Understanding this principle is essential for employees, employers, and legal practitioners to ensure fair tribunal outcomes and avoid reductions in compensation.
What Mitigation of Loss Means
Mitigation of loss requires that an employee who has suffered a loss due to dismissal or other wrongful treatment must take reasonable steps to minimise the financial impact. Tribunals will consider whether the claimant acted reasonably in seeking new employment, continuing education, or making alternative arrangements to reduce loss. Failure to mitigate may lead to a reduction in compensation.
The principle is firmly established in Employment Rights Act 1996, with courts and tribunals relying on precedent, including Polkey v AE Dayton Services Ltd (1987) and subsequent cases emphasising the duty to mitigate financial loss.
Responsibilities of Claimants
1. Seeking Alternative Employment
Employees must actively look for suitable work. Tribunals assess:
- The reasonableness of job applications
- Whether roles applied for were appropriate given experience and skills
- Frequency and intensity of job-seeking efforts
Claimants are not required to accept unsuitable work or roles significantly below their skill level.
2. Continuing Professional Development
If retraining or upskilling could reasonably improve employment prospects, claimants may be expected to:
- Attend training courses
- Acquire relevant certifications
- Explore alternative sectors where their skills are transferable
3. Documentation of Efforts
Maintaining records is essential. Employees should keep:
- Copies of job applications and responses
- Evidence of interviews attended
- Details of training or networking undertaken
These records demonstrate good faith and support the claimant's position during tribunal proceedings.
Employer Considerations
Employers may argue that the claimant failed to mitigate losses, reducing compensation. They should:
- Assess the reasonableness of mitigation efforts
- Examine evidence of job-seeking activity
- Provide clear information about benefits and entitlements, avoiding disputes over the loss period
Tribunal Assessment
Tribunals follow a step-by-step approach:
- Establish the total loss – Calculate lost wages, benefits, and pension contributions from dismissal to hearing.
- Evaluate mitigation steps – Review job applications, training, and alternative income sources.
- Adjust compensation – Reduce the award proportionally if the claimant failed to mitigate reasonably.
Tribunals take a practical view, recognising that job markets, personal circumstances, and industry factors influence opportunities.
Common Questions
Does mitigation apply to all employment claims?
Yes, it is relevant in unfair dismissal, breach of contract, redundancy claims, and other scenarios where financial loss occurs.
Can a claimant refuse unsuitable work?
Yes, tribunals consider reasonableness. Claimants are not obliged to accept roles below their experience, salary expectations, or skill set.
What if the claimant starts a business?
Reasonable entrepreneurial efforts may count as mitigation if they are a genuine attempt to generate income and reduce loss.
Practical Guidance for Claimants
- Be proactive – Start seeking employment immediately after dismissal.
- Keep detailed records – Document all applications, interviews, and professional development.
- Be reasonable – Focus on roles suitable to your skills and experience.
- Consider advice – Employment law specialists can guide on realistic mitigation strategies and evidence gathering.
- Communicate – Inform tribunals of any obstacles affecting job-seeking efforts.
Risks and Limitations
- Failure to Mitigate – Poor effort may reduce compensation.
- Unrealistic Applications – Applying for entirely unrelated roles may not count as mitigation.
- Delays – Unexplained delays in job-seeking could affect tribunal decisions.
- Partial Reductions – Tribunals adjust awards proportionally based on mitigation efforts.
Final Thoughts
Mitigation of loss is a fundamental concept in employment law claims in England and Wales. Claimants must actively seek alternative employment, maintain documentation, and take reasonable steps to reduce financial losses. Tribunals will evaluate mitigation efforts and may reduce awards if losses could have been reasonably minimised. Understanding this principle ensures claimants and employers approach disputes with clarity, fairness, and practical awareness of legal expectations.
