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Section 18 GBH law: Intent, wounding and sentencing

Section 18 is the more serious of the offences commonly described as GBH because it requires the relevant intent. It can carry life imprisonment.

Nearest published map category Violence and sexual offences

Context only - Not a count of this specific offence.

Maximum sentence
Life imprisonment
Guideline context
2 to 16 years’ custody for adult offenders under the current guideline.
Source checked
2026-10-16

What this offence means

Legal definition

The prosecution must prove unlawful wounding or grievous bodily harm together with the intent required by section 18. ‘GBH’ describes really serious harm, but the correct charge cannot be inferred from an injury description alone.

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.

Wounding or grievous bodily harm

The conduct must cause a wound or grievous bodily harm. GBH means really serious harm; a wound has its own legal meaning.

Unlawful and malicious conduct

The prosecution must prove the required unlawful conduct and mental element rather than relying on the injury label alone.

Specific intent

Section 18 requires the relevant specific intent, including intent to cause grievous bodily harm or the statutory intent connected with resisting or preventing lawful apprehension.

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 wounding with intent - section 18.

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 wounding with intent - section 18. A street-level violence marker does not reveal the assault provision, the injury, intent, charge or court outcome. Section 18 cannot be identified from a map marker.

Explore this category on the map →

Sentence and court context

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

Statutory maximum Life imprisonment

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

Reviewed adult guideline 2 to 16 years’ custody for adult offenders 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 18 compared with section 20

Both may involve serious injury, but section 18 carries a different and more demanding intent requirement and a higher maximum sentence.

Injury wording does not settle the charge

A news description such as 'serious injuries' is not enough to decide whether section 18, section 20 or another assault offence applies.

Important sentencing and reporting notes

  • Section 18 and section 20 are different offences with different intent requirements and maximum penalties.
  • The court assesses both culpability and harm before selecting a starting point and category range.

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

Does a severe injury automatically make the offence section 18?

No. The prosecution must prove the specific intent required by section 18 as well as the injury element.

Why is the maximum life imprisonment?

Parliament set life imprisonment as the statutory ceiling; the guideline produces a case-specific sentence below that ceiling in most cases.

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 18 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.

Browse every offence guide →

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.

Compare this offence →