Skip to content

Sexual activity with a person with a mental disorder impeding choice

s.30, s.31 Sexual Offences Act 2003 · Crown Court / Magistrates

Back to Offence Library

Sentencing framework

The guideline structures sentencing by assessing both culpability and harm to determine the offence category. It outlines starting points and ranges for sentences based on the severity of the offence and any mitigating or aggravating factors. For offences involving penetration, more severe starting points apply, and adjustments can be made depending on the case specifics.

Maximum sentence

Life imprisonment (if penetration involved), otherwise 14 years’ custody

Court

Crown Court / Magistrates

Offence range

Community order – 19 years’ custody

Aggravating factors

  • ·Previous convictions
  • ·Offence committed whilst on bail
  • ·Presence of others, especially children
  • ·Any steps taken to prevent the victim reporting an incident
  • ·Attempts to dispose of or conceal evidence
  • ·Commission of the offence whilst under the influence of alcohol or drugs

Mitigating factors

  • ·No previous convictions or no relevant/recent convictions
  • ·Remorse
  • ·Positive character and/or exemplary conduct
  • ·Age and/or lack of maturity
  • ·Mental disorder or learning disability, particularly where linked to the commission of the offence
  • ·Physical disability or serious medical condition requiring urgent, intensive or long-term treatment
  • ·Difficult and/or deprived background or personal circumstances
  • ·Prospects of or in work, training or education

Sentencing range explorer

Select the culpability level and harm category to see the guideline's starting point and category range. This is an educational illustration of the published guideline — not a sentence calculation, and not legal advice. Courts apply the full step-by-step process, aggravating and mitigating factors, and the totality principle.

Culpability

Harm

Select a culpability level and a harm category above.

The sentencing process, step by step

  1. Step 1 — Determining the offence category
  2. Step 2 — Starting point and category range
  3. Step 3 — Consider any factors which indicate a reduction
  4. Step 4 — Reduction for guilty plea
  5. Step 5 — Dangerousness
  6. Step 6 — Totality principle
  7. Step 7 — Ancillary orders
  8. Step 8 — Reasons
  9. Step 9 — Consideration for time spent on bail

Guideline notes

  • The court must ensure requirements imposed are the most suitable for the offender. The sentence should not escalate from one community order range to the next on each occasion.

Always read the full guideline

This is a one-page summary. For any live case, sentencing exercise, or legal advice the authoritative source is the Sentencing Council's own definitive guideline — including the category bands, step-by-step sentencing approach, and all statutory factors not captured here.

Open the full guideline on sentencingcouncil.org.uk

Source: Sentencing Council · Crown copyright, licensed under Open Government Licence v3.0. Summary fetched 2026-06-28. Not legal advice — see a regulated adviser for any live case.