How Are Appeals Reviewed for Sentence Disproportionality?

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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.

Key Takeaways for How Are Appeals Reviewed for Sentence Disproportionality?

Learn how appeals for disproportionate sentences are reviewed in England and Wales, including defendants' rights to appeal, the Unduly Lenient Sentence scheme, the role of the Attorney General and Court of Appeal, time limits for reviews, and independent referrals via the CCRC. Comprehensive guidance for solicitors and the public.

Appeals Mechanism: Appeals follow the procedures of the Criminal Appeal Act 1968. Only specialist criminal solicitors should handle these applications.

In England and Wales, the criminal justice system provides specific mechanisms to challenge sentences that are considered disproportionate - that is, excessively severe or unduly lenient relative to the offence and the offender's circumstances. This article explains how such appeals and reviews work, who can pursue them, the legal framework that applies, key time limits, and what practical steps are involved. It is intended to be accessible to solicitors, students and members of the public with no prior legal knowledge.

What Sentence Disproportionality Means

A disproportionate sentence is one that is so excessive or, conversely, so lenient that it falls outside the range of penalties a prudent sentencing judge could reasonably consider appropriate. The law accepts that judges have a wide margin of discretion in sentencing, but there are checks and appeals for cases where that discretion may have been exercised wrongly. Disproportionate sentence claims arise in two main forms:

  • Excessive or unfairly harsh sentences imposed on convicted defendants.
  • Unduly lenient sentences that appear too low given the seriousness of the offending.

Both situations may lead to a sentence being challenged in a higher court.

Appealing Against an Excessive Sentence

Who Can Appeal

A person convicted and sentenced in a criminal court has the right to appeal to the Court of Appeal (Criminal Division) against their sentence if they believe it is too harsh. This is a defendant's appeal. Appeals may also be lodged on specific points of law or on the basis that the sentence was manifestly excessive or irrational.

Related:  How Are Grounds for Criminal Appeals Determined?

The statutory basis for a defendant's appeal against sentence is found in the Criminal Appeal Act 1968. Section 9 provides that a person convicted on indictment (in the Crown Court) may appeal against any sentence not fixed by law. If the appeal succeeds, the Court of Appeal has power to reduce or otherwise vary the sentence.

Time Limits and Procedure

  • A defendant must usually seek permission (leave) to appeal and file notice within 28 days of sentencing. This timeframe is strict, but the court may in limited circumstances extend it if there is a good reason for delay.
  • For appeals from the magistrates' court, different timelines apply (typically 21 days) and the appeal may be heard in the Crown Court first.

What the Court of Appeal Will Review

When reviewing a sentence, the Court of Appeal considers:

  • Whether the original trial judge applied the correct legal principles.
  • Whether relevant aggravating or mitigating factors were properly taken into account.
  • Whether the sentence falls within a reasonable range for similar cases.

Appeals are not retrials of guilt; they focus on law and sentencing discretion. If the court finds the sentence disproportionate, it may reduce it or, in exceptional cases, re‑sentence entirely.

Reviewing Unduly Lenient Sentences

The Unduly Lenient Sentence Scheme

The Unduly Lenient Sentence (ULS) scheme allows sentences imposed by the Crown Court to be reviewed if they appear too low for the offence. This scheme was introduced by the Criminal Justice Act 1988 and applies to a defined set of serious offences.

Under the ULS scheme:

  • Anyone – including victims, relatives of victims, MPs or members of the public – may request a review by the Attorney General's Office (AGO) if they consider a sentence unduly lenient.
  • The AGO has the statutory power to decide whether a sentence appears unduly lenient and, if so, to refer it to the Court of Appeal for review.
Related:  How Are Miscarriages of Justice Considered in Appeals?

Applicable Offences and Time Limits

Only certain serious offences qualify under the scheme, including murder, rape, robbery and other indictable offences, plus some either‑way offences specified by order. The request to the Attorney General must be made within 28 calendar days of sentencing. There is no power to extend this deadline.

What Happens Next

Once the Attorney General refers a sentence to the Court of Appeal:

  • The Court examines whether the sentence truly falls outside the range that a reasonable sentencer could impose.
  • If satisfied, the Court of Appeal may increase the sentence; if not, it will dismiss the reference.

The court retains discretion even where a sentence is technically unduly lenient, for example if circumstances have changed since sentencing or increasing it would be unfair.

Statistics from past years demonstrate that only a fraction of referrals result in increased sentences, reflecting the high bar for intervention.

Independent Reviews via the CCRC

The Criminal Cases Review Commission (CCRC) can, in exceptional cases, refer a conviction or sentence to the Court of Appeal where new evidence or legal issues suggest a miscarriage of justice. Although more often associated with wrongful conviction claims, the CCRC may also refer sentencing issues where there is a real possibility the appellate court will find the sentence disproportionate or manifestly excessive. An example is a sentence referral based on new medical evidence indicating that the original sentence was excessive given an offender's condition.

Applications to the CCRC are not subject to strict time limits, enabling review long after the original appeal rights have been exhausted, provided compelling new material exists.

Practical Considerations

Sentencing appeals are legally complex and generally require representation by experienced appellate solicitors or barristers, particularly where technical legal arguments or extensive evidence are involved.

Bail and Custody

Defendants who appeal a sentence may apply for bail pending appeal, which is considered at the court's discretion. This can be crucial for those serving custodial sentences.

Related:  How Are Appeals Reviewed for Procedural Fairness?

Victim Support

Victims' rights to be notified about appeals, including sentence reviews, are provided under the Code of Practice for Victims of Crime. They must be informed within designated timeframes when an appeal is lodged.

Common Questions from our Readers

Can a victim's family challenge a sentence?
Yes. Through the ULS scheme, victims or their families can request the Attorney General to consider a review of a sentence if they believe it is unduly lenient.

Is there a route for extremely late appeals?
Where regular appeal time limits have passed, an application to the CCRC may provide a route if fresh evidence arises that raises a real possibility of sentence reduction.

Does every disproportionate sentence get changed?
Not necessarily. Both the Court of Appeal and the Attorney General exercise discretion. Not all disproportionate‑looking sentences will meet the legal thresholds for intervention.

Key Takeaways

Appeals and reviews for sentence disproportionality in England and Wales are governed by clear statutory frameworks:

  • A defendant may appeal to the Court of Appeal against what they consider a disproportionate sentence within strict time limits.
  • The Unduly Lenient Sentence scheme enables members of the public to trigger a review of sentences deemed too low, culminating in possible Court of Appeal intervention.
  • The CCRC provides an additional safeguard where new evidence emerges after normal appeal avenues have closed.

These mechanisms balance judicial discretion with accountability, ensuring that sentences remain fair, proportionate and consistent with legal standards.

James William Steven Parker
James William Steven Parker
James is the founder of UKLegalGuides.com and a former agent at the Ministry of Justice (UK). With a background in processing legal claims, he launched this platform to make the laws of England and Wales accessible to everyone.
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