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Unlawful act manslaughter

Homicide and manslaughter — practical elements, sentencing links and station notes for accredited reps in England & Wales.

Homicide and manslaughter

Unlawful act manslaughter

Common law (manslaughter)

England & Wales. Elements, mode of trial, maximum and defences — not a charging or outcome predictor.

Triable
Indictable only
Maximum penalty
Life imprisonment

Actus reus

  • Commit an unlawful act that is dangerous in the sense that a sober and reasonable person would recognise the risk of some harm, and that act causes death.

Mens rea

  • Mens rea for the base unlawful act; no need to foresee death.

Defences

No unlawful act · Act not dangerous · Break in causation · Self-defence as to the base assault

Sentencing Council

Sentencing Council guideline effective 1 November 2018. Offence range: 1 – 24 years’ custody (check current guideline page).

View definitive guideline ↗

At the police station

Often arises from assaults or one-punch cases. Causation and the dangerousness of the act are key. Cross-check CPS homicide charging standard.

When to involve a rep or solicitor

Police station advice is free under legal aid and is not means-tested. For this allegation we would normally want a solicitor involved early.

Authoritative sources for this page

Statute plus Sentencing Council (and CPS where listed) are the two primary sources we used for mode of trial, maximum and elements. Case links are from our verified registry only.

More in Homicide and manslaughter

Back to the full offences index

Sources & further reading

Links are to official publishers (legislation, gov.uk, CPS, LAA, Sentencing Council). Case law on this site is limited to entries in our verified case-law registry. Always confirm the current version before relying on it in live advice.