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.
Comprehensive guide on how to make a whistleblowing claim in England and Wales. Learn what qualifies as whistleblowing, how to make a protected disclosure, the steps for tribunal claims, key time limits, evidence, remedies, and practical guidance for workers and employers.
Whistleblowing describes the act of reporting wrongdoing that affects others, often within a workplace. In the law of England and Wales, whistleblowing protection is available under the Employment Rights Act 1996 (as amended by the Public Interest Disclosure Act 1998). These protections allow workers to raise concerns about illegal or harmful practices without suffering unfair treatment or dismissal because of doing so. This guide explains what whistleblowing is, how to make a protected disclosure, the steps to bring a claim, key time limits, what evidence matters, and what remedies may be available. It is intended to be clear and accessible for workers, students, and solicitors alike.
What is Whistleblowing?
Whistleblowing occurs when a worker reports information about wrongdoing that they reasonably believe is in the public interest. A protected disclosure typically involves wrongdoing such as criminal offences, breaches of legal obligations, dangers to health and safety, environmental damage, or the concealment of such matters. Purely personal grievances (such as pay disputes) generally do not qualify unless they reveal wider, public interest concerns.
Who is Covered?
The law protects a broad class of individuals who perform work under a contract. This includes employees, casual or agency workers, apprentices, and certain self‑employed people in specific contexts. Protection begins from day one of employment and continues even after employment ends.
Qualifying Disclosures: Legal Criteria
To benefit from legal protection, a disclosure must:
- Be made in the public interest rather than for personal gain.
- Concern a qualifying wrongdoing (e.g., criminal activity, regulatory breaches).
- Be made with a reasonable belief that the information is substantially true.
If a tribunal finds disclosure was made in bad faith or for personal gain, it may reduce any award of compensation.
Step‑by‑Step: How to Make a Protected Disclosure
1. Identify the Right Person or Body to Report To
The law provides an ordered list of recipients for disclosures:
- Your employer or the person responsible for the wrongdoing.
- Another person or body who can address the concern.
- A legal adviser (protected at all times).
- A government minister (only in specific public sector contexts).
- A prescribed person or body (such as regulators like the Health and Safety Executive or Ofcom).
- In exceptional cases, a disclosure may be made elsewhere (e.g., the police, media) if justified by seriousness or fear of concealment.
Disclosing to your employer first is generally advisable, unless doing so would undermine the effectiveness of the disclosure or lead to retaliation.
2. Prepare Your Disclosure
While it is not legally required to make a disclosure in writing, placing concerns in writing is strongly recommended for evidence. Your disclosure should include:
- Clear description of the wrongdoing and why you believe it is true.
- Context and timeline of events.
- Any steps you have already taken internally.
- Relevant documents or evidence (without breaching confidentiality obligations).
Avoid gathering evidence in ways that breach data protection laws or your contractual obligations.
3. Follow Workplace Procedures Where Available
Many employers have whistleblowing policies setting out reporting channels and confidentiality safeguards. Using established internal procedures can demonstrate that you followed a reasonable route. However, whistleblowing law does not require the use of grievance procedures unless the disclosure fits within those processes.
What Happens After a Disclosure?
Your employer or recipient should take your concern seriously, keep it confidential where possible, and investigate appropriately. Employers are prohibited from subjecting workers to a detriment (such as demotion, reduced hours, harassment, or dismissal) because of a protected disclosure.
Making a Whistleblowing Claim
If detriment or dismissal occurs because of your protected disclosure, you may pursue a claim to an Employment Tribunal. There are two main types of claim:
- Automatic unfair dismissal if your contract was terminated because of whistleblowing (no minimum service requirement).
- Detriment claim for other adverse treatment.
Mandatory Early Conciliation
Before submitting a tribunal claim, you must notify Acas and begin Early Conciliation. This step aims to resolve the dispute without litigation. You will receive a certificate after Early Conciliation which is required to start a tribunal claim.
Time Limits for Tribunals
Most whistleblowing claims must be lodged within three months less one day from the date of the act complained of. If the alleged detrimental conduct is part of a continuing pattern, the time limit may run from the last occurrence. Special rules also apply for interim relief (urgent application to preserve employment), which must be made within seven days of termination of employment.
Evidence and Causation
To succeed in a claim, you must show:
- You made a qualifying protected disclosure.
- The employer knew or should have known about the disclosure.
- The adverse treatment or dismissal occurred because of the disclosure.
A clear timeline, copies of the original disclosure, correspondence, witness statements, and contemporaneous records will support your case.
Remedies and Compensation
If a tribunal finds in your favour, remedies may include:
- Compensation for loss of earnings or other financial losses.
- Awards for injury to feelings where appropriate.
- In unfair dismissal cases, awards may include basic and compensatory sums reflecting loss of employment.
There is no statutory cap on compensation for whistleblowers who have suffered detrimental treatment short of dismissal; amounts are assessed as “just and equitable” by the tribunal.
Common Pitfalls and Practical Considerations
- Avoid making disclosures to the media or public unless exceptional circumstances apply; doing so may lose protection.
- Disclosures must be made with honest belief; malice or personal gain motives can reduce compensation.
- Seek independent advice early, especially if you anticipate detriment or dismissal.
- Keep thorough records from the outset.
Key Takeaways
Making a whistleblowing claim involves identifying a qualifying concern, disclosing it to the appropriate person or body, and, if unfair treatment follows, pursuing a claim through Early Conciliation and an Employment Tribunal. Strict time limits apply, and successful claimants may recover compensation for detriment or dismissal. Thorough preparation, clear documentation, and understanding the legal criteria for protected disclosures are essential. Employers and workers alike should be aware of these legal protections to support ethical and lawful workplace practices.
