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Section 20 GBH law: Unlawful wounding and sentencing

Section 20 covers unlawful wounding or inflicting grievous bodily harm without the specific intent required for section 18. Its ordinary statutory maximum is five years’ custody.

Nearest published map category Violence and sexual offences

Context only - Not a count of this specific offence.

Maximum sentence
5 years’ custody
Guideline context
Community order to 4 years 6 months’ custody for adult section 20 cases under the current guideline.
Source checked
2026-10-16

What this offence means

Legal definition

The injury may still be very serious. The legal difference from section 18 principally concerns the mental element that must be proved, not whether the victim’s experience matters.

What this page cannot decide

It cannot decide whether an offence occurred, whether a person is guilty or what sentence a court will impose. Those questions depend on admissible evidence, the exact charge and the law in force at the relevant time.

What prosecutors must establish

The elements below explain the principal parts of this offence. The official provision and current case law determine the precise legal test.

A wound or grievous bodily harm

The offence concerns unlawful wounding or inflicting grievous bodily harm, meaning really serious harm.

The required mental element

The prosecution must prove the section 20 mental element, but not the specific intent to cause GBH required for section 18.

Causation

The defendant's conduct must legally cause the wound or grievous bodily harm alleged.

Published violence and sexual offences records

CrimeRate calculates this chart from official street-level crime records. It shows the nearest broad reporting category - Not the number of charges, defendants or convictions for gbh or unlawful wounding - section 20.

March 2024
Latest published month167,144Violence and sexual offences records in March 2024
Share of that month’s archive34.5%A share of all published street-level records, not an offending rate
Total across the chart167,1441 published month represented
Change from prior monthNot availableA comparable prior month is unavailable

Do not turn this chart into a count of gbh or unlawful wounding - section 20. The street-level source groups many offences under violence and sexual offences. Its public record does not disclose whether an incident was recorded or charged under section 20.

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Sentence and court context

Two different reference points frame sentencing. Neither predicts the result in an individual case.

Statutory maximum 5 years’ custody

The legal ceiling available for this offence - Not the usual sentence.

Reviewed adult guideline Community order to 4 years 6 months’ custody for adult section 20 cases under the current guideline.

The applicable category and starting point depend on the facts proved.

What the court then considers

Offence provedThe admitted or proved facts set the starting point.
Harm and culpabilityThe guideline category is identified from both.
Case factorsAggravating and mitigating circumstances alter the assessment.
AdjustmentsPrevious convictions, assistance and any guilty plea are considered.
Final legal checksMinimum terms, dangerousness and ancillary orders may apply.

Distinctions that change the answer

Section 20 compared with section 18

The principal distinction is the intent that must be proved. The seriousness of an injury by itself does not answer which offence applies.

Racially or religiously aggravated offending

The aggravated version is a separate statutory offence and has a different maximum sentence.

Important sentencing and reporting notes

  • A racially or religiously aggravated version is a separate offence with a higher maximum.
  • A broad street-level violence category does not reveal whether section 18, section 20 or another offence was charged.

What the map can and cannot show

The map provides geographic context for the nearest broad reporting category. It does not reproduce a case file or court record.

Closest map groupingViolence and sexual offences
What it can showAn anonymised recorded-crime point, date and broad category
What it cannot showThe charge, evidence, parties, exact address or guilt

Questions people commonly ask

Can section 20 involve very serious injuries?

Yes. The difference from section 18 is not simply an injury scale; the mental element matters.

Can a map point identify the section used?

No. The published category is broader than the legal offence.

Primary and sentencing sources

Use the official text to confirm the provision, territorial extent, amendments and commencement for the date in question.

Offences against the Person Act 1861Section 20 Sentencing Council guidelineCurrent official sentencing guidance Open the complete Offences against the Person Act 1861Official text on legislation.gov.uk

Compare related offence guides

These offences are commonly confused with, contrasted against or legally connected to the offence above. Each has its own definition, intent requirement and sentencing framework.

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Murder

Different intent and consequence

Murder is a common-law offence. A person convicted of murder receives a life sentence; the judge separately sets the minimum term that must be served before the Parole Board can consider release.

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