Mental Capacity: Decision-Making in Clinical Practice
Restraint, restriction and deprivation of liberty
Understand the distinction between restriction, restraint and deprivation of liberty, and apply the current post-June-2026 multifactorial Article 5 approach rather than outdated shorthand.
Learning objectives
• Explain why restraint, restriction and deprivation of liberty require separate, proportionate analysis. • Describe the significance of the 2 June 2026 UK Supreme Court judgment for Article 5 analysis. • Avoid teaching pre-2026 “acid test” shorthand as the current universal test. • Recognise when local/national safeguards or specialist legal advice are required.
Download this module (PDF)
Open source ↗Learning, privacy and evidence
Restriction, restraint and deprivation are not synonyms
Clinical care can involve restrictions: supervision, locked doors, bedrails, limits on leaving or continuous observation. Restraint is a more specific concept under relevant law and policy. A deprivation of liberty engages Article 5 safeguards and cannot be identified simply by counting restrictions.
The task is to examine the concrete care arrangements, their intensity and duration, the person’s situation and wishes, the purpose of the arrangements and the legal framework.
The 2026 Supreme Court judgment
On 2 June 2026 the UK Supreme Court delivered judgment in A Reference by the Attorney General for Northern Ireland [2026] UKSC 16. Current official guidance states that the definition of deprivation of liberty must be approached through a multifactorial assessment of the concrete situation rather than treating the pre-2026 Cheshire West “acid test” as a complete universal rule.
Because this area is changing rapidly, module users must check current national and local guidance before applying safeguards in practice.
Multifactorial assessment of the concrete situation
The assessment should consider the actual circumstances rather than labels. Relevant factors can include the degree of supervision and control, freedom to leave, the person’s valid consent, the nature and duration of restrictions, the setting and the overall practical impact. No single phrase should substitute for analysis.
The clinical record should describe what is happening in real terms rather than simply write “DoLS” or “not DoLS”.
England and Wales: current safeguards
The Mental Capacity (Amendment) Act 2019 created Liberty Protection Safeguards, but at the evidence cut-off the LPS framework should not be described as having replaced existing arrangements without checking current commencement. Clinicians must use the safeguards and local processes actually in force at the time of care.
Scotland and Northern Ireland
Scotland and Northern Ireland have distinct legal frameworks. Northern Ireland has its own deprivation-of-liberty safeguards within commenced Mental Capacity Act arrangements; Scotland uses its own incapacity and human-rights framework.
Never assume that an English DoLS label identifies the correct route in another nation.
Documentation, proportionality and escalation
A useful record describes the restrictions, why they are considered necessary, alternatives considered, the person’s responses and wishes, review plans and the safeguard/escalation route. Restrictions should be the minimum necessary and reviewed as circumstances change.
Where the legal status is uncertain or restrictions are substantial, obtain specialist mental-capacity, safeguarding or legal advice promptly.
Search terms and key language
Use the search box in this module to jump to these terms and related concepts.
- deprivation of liberty
- Article 5
- restriction
- restraint
- DoLS
- LPS
- UKSC 16
- acid test
- valid consent
- proportionality
Documentation exercise
Write a structured record of the concrete care arrangements, the person’s expressed wishes/behaviour, restrictions imposed, purpose, alternatives considered and escalation route.
Official sources and further reading
Use current official sources for further reading. Links open the issuing organisation.
- MC-UK-01 — A Reference by the Attorney General for Northern Ireland [2026] UKSC 16
- MC-UK-02 — Changes to the definition of deprivation of liberty
- MC-EW-03 — Mental Capacity (Amendment) Act 2019
- MC-EW-04 — Liberty Protection Safeguards collection
- MC-EW-06 — Deprivation of Liberty Code of Practice
- MC-NI-02 — Mental Capacity Act - Department of Health NI
- MC-NI-05 — MCA(NI) 2016 Deprivation of Liberty Safeguards Code of Practice
- MC-S-01 — Adults with Incapacity (Scotland) Act 2000
Sources checked through 17 September 2026. High-volatility legal topics must be rechecked before patient-specific decisions.
