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 what a miscarriage of justice means in England and Wales, including how wrongful convictions occur, the role of the Criminal Cases Review Commission, legal recognition of miscarriages, and compensation eligibility after convictions are quashed. Fully explained for readers and solicitors.
A miscarriage of justice occurs when the criminal justice system fails to achieve a fair and correct outcome, most commonly resulting in the wrongful conviction of an innocent person. Although the term is often associated with convictions that are later overturned, it encompasses a broader range of unjust or improper judicial outcomes when the law has not been applied fairly, accurately or consistently. Understanding what constitutes a miscarriage of justice is vital for anyone interested in criminal law, appeal rights, compensation for wrongful convictions and the integrity of the legal system in England and Wales.
What the Term Means
In basic terms, a miscarriage of justice involves a serious failure within the legal process that results in an unfair decision. In England and Wales, this is most often discussed in the context of wrongful convictions, where a person is convicted and punished for a crime they did not commit. However, some legal scholars and practitioners also use the term more broadly, to include wrongful acquittals, disproportionate sentences, or situations where procedural or evidential errors so undermine fairness that justice has not been done.
Why Miscarriages of Justice Matter
The justice system in England and Wales operates on the principle that decisions should be just, lawful and fair. When the system fails to reach such an outcome, it causes significant harm:
- Innocent people may lose their liberty, reputation and livelihood.
- Families and communities are adversely affected.
- Trust in courts, police and prosecutors can be undermined.
- There may be ongoing harm if the true perpetrator remains at large.
Wrongful convictions are among the most severe forms of miscarriage of justice because they represent a profound departure from the legal principle that it is better that guilty persons go free than that an innocent person be convicted.
How Miscarriages of Justice Happen
A range of factors can contribute to miscarriages of justice. Some well‑known causes include:
- Failure to disclose critical evidence to the defence, such as exculpatory material. This has been identified as a common factor in wrongful convictions.
- Faulty or unreliable forensic evidence, especially where science was later discredited.
- Misidentification by eyewitnesses.
- Police or prosecutorial misconduct, including fabricating or withholding evidence.
- Incompetent legal representation or procedural irregularities during trial.
These systemic and human errors can lead to convictions that a fair process would not have justified, and may only be uncovered much later, often on appeal or review by an independent body.
Overturning Convictions and Recognising Miscarriage
In England and Wales, a conviction is formally regarded as a miscarriage of justice only after it has been reviewed and overturned by the courts. A key mechanism for this is the Criminal Cases Review Commission (CCRC), an independent body set up in 1997 to examine possible miscarriages of justice and refer cases back to the appeal courts. Any individual who believes they have been wrongly convicted or wrongly sentenced, and who has exhausted normal appeal routes, can apply for a review by the CCRC at no cost.
If the CCRC finds a potential miscarriage, it may refer the case to the Court of Appeal, which has statutory power to quash convictions if it is satisfied a conviction is unsafe or unjust. Only after such a judicial decision can it be said legally that a miscarriage of justice has occurred.
Examples from England and Wales
Several high‑profile cases have brought miscarriages of justice to public attention, prompting legal reform and scrutiny of investigative practice:
- The case of Andrew Malkinson, whose conviction for rape was eventually overturned after he spent 17 years in prison. The CCRC had initially rejected his application before later facilitating a successful appeal that relied on crucial DNA evidence not previously tested.
- Historical cases such as the wrongful execution of Timothy Evans in 1950 played a role in the UK's abolition of capital punishment.
- Other long‑running miscarriages have involved outdated forensic methods or flawed investigations that only later forensic breakthroughs revealed to be incorrect.
These examples show that miscarriages of justice can occur at any stage of the criminal process and may only be uncovered years later.
Compensation for Victims
In England and Wales, individuals whose convictions are quashed can apply for compensation under a statutory scheme. To be eligible, applicants must meet certain conditions:
- Their conviction must have been overturned on appeal or following a CCRC referral.
- The appeal must have been lodged within required time limits after sentencing.
- A pardon may also qualify.
Compensation is assessed through the Miscarriages of Justice Application Service (MoJAS), and amounts are determined by an independent assessor within statutory caps. Historically, those caps were £1 million after more than ten years' imprisonment and £500 000 for shorter periods, though recent government reform aims to increase these caps.
Keep in mind that statutory compensation is distinct from civil claims against public bodies for negligence or misconduct, which require different legal processes.
Common Misunderstandings
Miscarriage of justice is often used informally to refer to any perceived unfair outcome, but under English law it has a specific legal meaning tied to wrongful conviction reversal. Simply disagreeing with a verdict is not enough. A miscarriage of justice recognised for compensation purposes generally requires that new or newly discovered evidence shows beyond reasonable doubt that the claimant did not commit the offence.
What Happens After a Miscarriage Is Recognised
Once a conviction is formally quashed:
- The individual is legally exonerated of the original offence.
- Compensation applications can proceed through the statutory scheme.
- In some cases the original criminal investigation may be reopened to identify the real perpetrator based on new evidence.
- Public scrutiny and reform efforts may follow to prevent similar miscarriages.
Understanding these processes can help the wrongly convicted and their representatives navigate the legal and practical consequences.
Key Takeaways
A miscarriage of justice in England and Wales signifies a failure of the criminal justice system resulting in an unfair outcome, most prominently wrongful convictions. Recognising such an outcome typically involves appeal or review by bodies like the Criminal Cases Review Commission and the Court of Appeal. Affected individuals may seek statutory compensation once their conviction is quashed, with reforms underway to increase support. Although relatively rare, miscarriages of justice highlight the importance of fair procedure, thorough investigation and effective legal safeguards within the criminal justice system.
