This guide is maintained as a current resource for August 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.
Comprehensive guide to workplace injury claims involving stress and mental health in England and Wales. Learn when you can claim compensation for diagnosed psychiatric injury caused by employer breach, what evidence is needed, time limits, and typical compensation under UK law.

Workplace injury claims involving stress and mental health arise when an employee's psychological wellbeing is harmed due to their work environment, employer conduct or failure to manage foreseeable risks. In England and Wales, the law allows compensation claims for mental health injuries where there is a recognised psychiatric condition caused or materially contributed to by an employer's breach of duty. These claims are distinct from ordinary workplace stress and require specific legal criteria, evidence and an understanding of how personal injury law applies to psychological injury. This article explains when claims are possible, employer responsibilities, how liability is established, time limits, evidence needed and common questions for workers considering a claim.
1. Understanding Stress and Mental Health Injuries at Work
Psychological harm at work can range from work‑related stress to more serious psychiatric injuries such as clinical depression, anxiety disorders or post‑traumatic stress disorder (PTSD). Stress in itself, as part of daily work pressures, is common and not usually compensatable. To claim compensation, the harm must amount to a recognised psychiatric injury diagnosed by a qualified medical professional - for example, a psychiatrist or clinical psychologist - rather than everyday stress or dissatisfaction at work.
2. Employer Duty of Care for Mental Health
a. Legal Framework
Under the Health and Safety at Work etc. Act 1974, employers owe a duty of care to protect the health, safety and welfare of employees, which includes mental as well as physical health. Employers must take reasonable steps to avoid exposing workers to harmful conditions, including those that may cause or exacerbate psychiatric injury.
b. Foreseeability of Harm
A central legal concept in stress and mental health claims is reasonable foreseeability. An employer will only be liable where it was reasonably foreseeable that its conduct or failure to act posed a risk of psychiatric injury to an employee, and it failed to take reasonable preventative measures. This is established through legal principles that assess whether a reasonable employer in similar circumstances would have recognised the risk and acted to avoid it. Courts examine factors such as workload, workplace culture, bullying complaints, and prior reports of distress.
c. Employer Actions and Risk Management
Employers should implement risk assessments, allocate support and monitor workloads to mitigate mental health risks. Failing to address excessive work demands, ignoring reports of bullying or failing to provide reasonable adjustments for a known vulnerability may be considered breaches of duty if they contribute to psychiatric injury. Practical support mechanisms, referrals to occupational health, workload adjustments and reasonable interventions can mitigate risks and demonstrate compliance.
3. When You Can Claim Compensation
To succeed in a workplace injury claim involving stress or mental health, a claimant generally must show:
- A duty of care was owed by the employer;
- The employer breached that duty by failing to take reasonable steps to prevent foreseeable mental harm;
- The breach caused or materially contributed to a recognised psychiatric injury diagnosed by a clinician.
The link between employer acts (or omissions) and the psychiatric condition must be strong, and medical evidence is essential. Mere experience of stress without a diagnosed psychiatric injury is not usually sufficient for a compensation claim.
4. Types of Compensation Available
Compensation in successful stress and psychological injury claims typically includes:
a. General Damages
General damages compensate for pain, suffering and loss of amenity due to the psychiatric illness. The levels depend on the severity and prognosis of the condition. For example, published compensation ranges based on Judicial College Guidelines (JCG) include:
- Severe psychiatric damage: £66,900–£141,200;
- Moderately severe: £23,300–£66,900;
- Moderate: £7,150–£23,300;
- Less severe: £1,880–£7,150.
Post‑traumatic stress disorder (PTSD) figures vary in similar brackets. Brackets are guides; actual awards depend on individual evidence.
b. Special Damages
Special damages cover financial losses incurred as a result of the injury, such as:
- Loss of earnings (past and future);
- Medical and treatment costs (private therapy, counselling);
- Travel costs for appointments;
- Care costs where daily activities are affected.
Clear documentation is necessary to support these losses.
5. Time Limits for Making a Claim
Under the Limitation Act 1980, most personal injury claims, including those involving stress and psychological injury, must be started within three years. This period generally begins on the date of diagnosis or when the claimant first became aware of the connection between their psychiatric injury and their work. For those under 18 at diagnosis, the limitation period typically runs from their 18th birthday. Prompt action is essential to preserve legal rights.
6. Evidence Needed to Support a Claim
Successful claims hinge on evidence that clearly links workplace conditions to psychiatric injury and employer breach. Key types of evidence include:
- Medical records and a formal diagnosis from a qualified professional;
- Workplace records, such as risk assessments, emails, HR reports and incident logs;
- Correspondence reporting stress or mental health concerns to the employer;
- Witness statements from colleagues or professionals;
- Diary or symptom logs showing onset, frequency and severity of symptoms.
Reporting stress to an employer before pursuing a claim strengthens evidence of employer awareness and potential foreseeability.
7. Practical Steps After Experiencing Work‑Related Stress or Mental Health Harm
- Seek medical assessment early and secure a formal diagnosis.
- Report concerns to your employer in writing and request risk assessment and support.
- Document symptoms and work conditions that contribute to stress.
- Collect workplace evidence, such as emails or meeting notes that show issues were raised.
- Consult a solicitor experienced in stress and psychiatric injury claims to assess liability and evidence.
- Begin the claim within the three‑year time limit to protect your legal rights.
Early engagement with professional advisors can help preserve evidence and clarify the strongest basis for a claim.
8. Common Questions About Stress and Mental Health Claims
Can I claim if I was not physically injured?
Yes. Compensation for psychological injury is available even without physical injury, provided there is a diagnosed psychiatric condition linked to work and employer breach.
What if I never reported stress to my employer?
You can still claim, but earlier reporting strengthens evidence of employer awareness. Documentation such as emails or HR requests may support your case.
Do most cases go to court?
Many workplace stress claims settle without court proceedings. If liability is denied, legal representation will guide you on negotiations or litigation.
Summary
Workplace injury claims involving stress and mental health in England and Wales are possible where an employee suffers a recognised psychiatric injury caused or materially contributed to by employer negligence or breach of duty. Employers have a legal duty to foresee and mitigate mental health risks. Successful claims require a clear causal link between workplace factors and psychiatric injury, supported by medical evidence, workplace records and correspondence. Compensation includes general damages for pain and suffering and special damages for financial loss. Action must generally be started within three years of diagnosis or knowledge of the injury. Early reporting, thorough documentation and specialist legal advice enhance the prospects of a successful claim.