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.
Learn how complaints procedures differ from legal clinical negligence claims in England and Wales. This comprehensive guide explains their purposes, processes, outcomes, time limits and how they interact, helping patients and solicitors understand their rights and options when healthcare falls short.
In healthcare, patients sometimes experience problems with treatment or services that fall short of expectations. In England and Wales, two distinct processes are available to address these issues: the complaints procedure and a legal claim (such as a clinical negligence claim). While both routes allow patients to raise concerns about care, they serve different purposes, follow different procedures, and have very different outcomes. This article explains how complaints procedures differ from legal claims, highlighting their aims, processes, timelines, outcomes, limitations, and how they can interact. The content is written in clear, accessible language for patients, families, solicitors and students.
What Is a Complaints Procedure?
A complaints procedure is a structured way for patients to express dissatisfaction with healthcare services or treatment. This process exists in both public healthcare (such as the NHS) and private healthcare settings. It is designed to resolve concerns, improve services and provide explanations or apologies rather than to determine legal liability or award compensation.
Who Can Make a Complaint?
Anyone who has received healthcare - including patients, former patients and, with consent, family members or carers - can make a complaint. Complaints cover a wide range of issues, from clinical care concerns to administrative errors or communication problems. The formal definition includes any expression of dissatisfaction that requires a response from the provider.
How Complaints Are Handled
In the NHS, complaints are handled through a two‑stage process:
- Local resolution: The healthcare provider (for example, a hospital trust, GP practice or commissioning body) investigates and responds to the complaint. Providers must acknowledge complaints promptly and investigate the issues raised in a thorough and timely manner.
- Independent review: If the complainant is not satisfied with the response, they can ask the Parliamentary and Health Service Ombudsman (PHSO) to review the matter independently. The PHSO provides an external check on whether the complaint was handled properly, though it does not replace the courts.
Private healthcare providers, including private hospitals and clinics, have their own complaints procedures, which typically align with regulatory expectations and may include independent review options.
Outcomes of Complaints
The complaints process can lead to:
- Explanations and clarifications about what happened;
- Apologies from the provider (an apology is not an admission of liability).
- Corrective action or changes to procedures to improve patient safety;
- Documentation of the incident, which may be useful later if a legal claim is pursued.
Complaints processes are not designed to award compensation, determine legal liability, or replace court proceedings. They do not, on their own, result in enforceable financial remedies.
What Is a Legal Claim?
A legal claim (most commonly a clinical negligence claim) is a formal request to the civil courts for compensation on the basis that healthcare provided fell below the required standard and caused injury or loss. A claim involves legal rules, evidence, and standards of proof.
Foundations of a Clinical Negligence Claim
To succeed in a clinical negligence claim in England and Wales, claimants must establish:
- A duty of care owed by the healthcare provider or professional;
- A breach of that duty - that the care provided was not consistent with what a competent practitioner would deliver;
- Causation - that the breach caused the harm; and
- Damages - that the claimant suffered loss as a result.
This requires detailed evidence, often including medical records and independent expert reports.
Process for Legal Claims
Legal claims follow a formal process separate from complaints procedures:
- Investigation and evidence gathering: Solicitors obtain medical records and instruct experts.
- Pre‑action protocol: The claimant's solicitor sends a Letter of Claim to the defendant; the defendant must respond within set timeframes under clinical negligence protocols.
- Negotiation or settlement: Many claims are resolved through negotiation.
- Court proceedings: If no settlement is reached, proceedings may be commenced. The courts then decide liability and compensation.
Compensation Outcomes
Successful legal claims can lead to monetary compensation covering:
- General damages for pain, suffering and loss of amenity;
- Special damages for financial losses, such as medical costs, loss of earnings, care and rehabilitation needs.
A legal claim can also have outcomes recorded on legal databases and become part of public case law.
Key Differences Between Complaints and Legal Claims
Understanding how complaints differ from legal claims is essential for patients and representatives:
Purpose
- Complaints: Aim to resolve dissatisfaction, explain care, and improve services.
- Legal claims: Aim to prove legal liability and secure compensation for harm.
Process and Formality
- Complaints: Administrative processes within health services, with possible ombudsman review.
- Legal claims: Formal legal proceedings governed by court rules and statute, requiring evidence and legal argument.
Outcomes
- Complaints: Explanations, apologies, service improvements; rarely compensation.
- Legal claims: Legally binding judgments or settlements involving regional or national indemnifiers (such as NHS Resolution).
Time Limits
- Complaints: Usually must be made within a 12‑month period after the event or after the complaint becomes apparent, though providers may exercise discretion.
- Legal claims: Governed by the Limitation Act 1980, typically requiring claims to be started within three years of the injury or date of knowledge.
Standard of Proof
- Complaints: No legal standard of proof - issues are investigated internally based on organisational procedures.
- Legal claims: Require proof on the balance of probabilities with admissible evidence, expert testimony, and legal analysis.
Interaction Between Complaints and Legal Claims
Complaints and legal claims can be pursued simultaneously. A complaint can:
- Provide a formal record of the incident;
- Yield explanations and admissions that help legal evidence;
- Highlight systemic issues, which may inform expert reports or legal strategy.
However, a complaint response is not evidence of negligence on its own, nor does pursuing a complaint prevent a subsequent legal claim. The two processes remain legally separate.
Risks and Considerations
Emotional and Practical Factors
Complaints may bring emotional closure through apology and explanation, but they do not secure financial redress for harm. Claimants seeking compensation typically require specialist legal advice early to preserve time limits and gather evidence.
Strategic Use
Some patients choose to make a complaint first to gain clarity on what happened before deciding whether to pursue a legal claim; others pursue both in parallel. Professional legal advisers can help tailor the approach to the claimant's situation.
Common Questions
Can I claim compensation just by making a complaint?
No. Complaints procedures do not award compensation. Only a legal claim can do so, although evidence from complaints may support a claim.
Does making a complaint delay a legal claim?
No. You can pursue both at the same time. The complaints process does not stop legal rights, though time limits under the Limitation Act still apply.
What if my complaint is not resolved?
If dissatisfied with the provider's response, you can ask the Parliamentary and Health Service Ombudsman to review the complaint independently.
Key Takeaways
Complaints procedures and legal claims serve different but complementary purposes in addressing concerns about healthcare. Complaints focus on service improvement, explanations and apologies, with possible independent review by the Parliamentary and Health Service Ombudsman. Legal claims, by contrast, pursue compensation for harm caused by negligence and involve formal legal processes with evidence, time limits and courts. Understanding the distinction helps patients make informed choices about how to address harm or dissatisfaction with healthcare services, and how best to protect their rights and interests.
