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Analysis of a Deprivation of Liberty Safeguards Assessment Under the Mental Capacity Act 2005
Abstract
This paper provides a critical analysis of a Deprivation of Liberty Safeguards (DoLS) assessment observed during the author’s shadowing of a practising Best Interests Assessor (BIA). Using the Mental Capacity Act 2005 and its Code of Practice as the primary legal framework, the paper examines how deprivation of liberty is identified, authorised, and reviewed in practice. It explores the application of statutory principles, relevant case law, risk management, power dynamics, and the balance between autonomy and protection. Particular attention is paid to the role of the BIA in supporting the individual’s rights, wishes, feelings, beliefs, and values. The paper critically reflects on decision-making processes, record-keeping, and care planning, including the use of conditions to ensure the least restrictive option. The analysis demonstrates applied legal knowledge, ethical reasoning, and reflective practice consistent with professional standards for DoLS work.
Introduction
The Deprivation of Liberty Safeguards were introduced as an amendment to the Mental Capacity Act 2005 to protect individuals who lack capacity to consent to care or treatment arrangements that amount to a deprivation of liberty. While DoLS provides a legal framework for authorisation, its application in practice remains complex, particularly following the expansion of the definition of deprivation of liberty in Cheshire West.
This paper reflects on a DoLS assessment observed while shadowing a practising Best Interests Assessor. The individual at the centre of the assessment, referred to as Mr A to preserve confidentiality, was an older adult with advanced dementia residing in a residential care setting. The assessment required careful consideration of capacity, risk, proportionality, and human rights. This analysis moves beyond a recital of law by critically examining how legal principles are applied in practice, how power dynamics are managed, and how the individual’s voice is prioritised within a statutory process.
Identifying a Deprivation of Liberty
A central element of the observed assessment was determining whether the care arrangements amounted to a deprivation of liberty. Following the Supreme Court judgment in P v Cheshire West and Chester Council (2014), the acid test requires consideration of whether the person is under continuous supervision and control and is not free to leave.
In Mr A’s case, staff exercised continuous supervision through locked doors, restricted access to the community, and constant monitoring due to risks of wandering and self-neglect. Although the care was clearly well intentioned and protective, the BIA emphasised that benevolence does not negate deprivation. This was a crucial learning point, reinforcing that deprivation of liberty is about objective circumstances rather than professional motivation.
The assessment demonstrated applied understanding of how deprivation can exist even in calm, homely environments, aligning with the principle that human rights protections apply regardless of perceived quality of care.
Legal Framework for Authorising Deprivation of Liberty
The observed assessment was firmly grounded in the Mental Capacity Act 2005 and its Code of Practice. The BIA systematically addressed the six qualifying requirements: age, mental health, mental capacity, best interests, eligibility, and no refusals.
Particular emphasis was placed on the presumption of capacity under section 1(2) of the Act. Capacity was decision specific and time specific, focusing on Mr A’s ability to consent to his care and residence. The assessment showed clear application of the two-stage test under section 2 and section 3 of the Act, with evidence that Mr A could not understand, retain, or weigh relevant information about his care arrangements.
The process demonstrated lawful, transparent decision-making, supported by contemporaneous records and clear reasoning, meeting legal and professional standards.
Interface Between the Mental Capacity Act and the Mental Health Act
The eligibility assessment required careful consideration of whether Mr A should instead be detained under the Mental Health Act 1983. The BIA explored whether the primary purpose of the care was treatment for mental disorder and whether objection was present.
Although Mr A had a diagnosed mental disorder, he was not actively objecting to his placement, and the care provided was primarily about support and safety rather than psychiatric treatment. The Mental Health Act was therefore deemed inappropriate. This decision reflected an understanding of the principle that the least restrictive legal framework should be used.
The interface between the two Acts was handled with appropriate legal awareness and proportionality.
Use of Case Law
Case law played a significant role in shaping the assessment. Cheshire West provided the legal test for deprivation, while Aintree University Hospitals NHS Foundation Trust v James (2013) informed the best interests decision-making process, particularly the emphasis on the individual’s wishes and feelings.
The BIA demonstrated how case law is not merely cited but actively informs professional judgement. The assessment reflected the evolving nature of DoLS practice and the importance of staying legally up to date.
Supporting the Individual’s Voice
A key strength of the observed assessment was the focus on Mr A as an individual rather than as a set of risks. Although Mr A lacked capacity to consent, efforts were made to engage him, observe his emotional responses, and consider his past preferences.
Family members were consulted to understand Mr A’s values, routines, and previously expressed wishes. This approach aligned with the Key Capabilities for Best Interest decision-making and demonstrated respect for personhood despite cognitive impairment.
The BIA’s approach challenged power imbalances by ensuring that professional authority did not override the individual’s lived experience.
Management of Risk
Risk management was central to the assessment. Identified risks included wandering, falls, and inability to summon help. However, the BIA critically examined whether restrictions were proportionate to the level of risk.
Rather than accepting blanket restrictions, the assessment explored alternative measures, such as supervised access to outdoor spaces and personalised activity planning. This reflected a strengths-based approach to risk that balanced safety with autonomy.
The analysis demonstrated that risk cannot be eliminated entirely and that overly restrictive care can itself cause harm.
