Can an LPA Cover Mental Health Treatment?
An LPA can help with many mental health decisions — but there are important limits where the Mental Health Act takes over.
Written by Anthony Dalton · Reviewed by James Tyrrell · Last reviewed
Mental health and mental capacity are related but separate concepts in law. A Health and Welfare LPA operates under the Mental Capacity Act 2005, which governs decisions for people who lack the ability to decide for themselves. The Mental Health Act 1983 is a separate framework that allows for compulsory detention and treatment in certain circumstances. Understanding which law applies, and when, makes a real difference to how much authority an LPA attorney actually has.
At a glance
- A Health and Welfare LPA can cover voluntary mental health treatment decisions, including therapy and medication.
- An LPA attorney cannot override the Mental Health Act 1983 if someone is formally detained under it.
- For conditions like dementia, where the Mental Health Act does not apply, an LPA works fully.
- Recording mental health wishes in the LPA’s preferences section gives attorneys useful guidance in a crisis.
Mental Capacity Act vs Mental Health Act
The distinction between these two Acts matters significantly for LPA authority.
Mental Capacity Act 2005
Governs decisions for people who lack capacity to make a specific choice. Underpins all LPA authority. Applies to a wide range of health, welfare, and financial decisions including for people with dementia, brain injuries, or learning disabilities.
Mental Health Act 1983
Allows compulsory admission and treatment for people with certain mental health conditions where there is a serious risk of harm. Operates independently of LPAs. Treatment authorised under a section of this Act can proceed even if an attorney objects.
In practical terms: if someone is treated voluntarily, an LPA attorney can make decisions under the Mental Capacity Act. If someone is detained under the Mental Health Act, treatment for their mental disorder can proceed without the attorney’s consent.
What an LPA Can Cover for Mental Health
Where the Mental Health Act does not apply, a Health and Welfare LPA gives attorneys broad authority over mental health-related decisions:
- Consenting to or refusing psychiatric medication
- Agreeing to therapy, counselling, or psychological treatments
- Decisions about voluntary admission to a psychiatric facility
- Care and support arrangements for people living with anxiety, depression, or other conditions
- Decisions about electroconvulsive therapy (ECT) in voluntary settings
- Welfare decisions for people with dementia, brain injuries, or acquired conditions affecting mental functioning
Dementia is the most common situation where an LPA attorney will be involved in mental health-related decisions. Because dementia is primarily a capacity issue rather than a mental health detention issue, the Mental Capacity Act and the LPA framework apply fully.
Where an LPA Cannot Help
What catches people out is the assumption that an LPA gives attorneys control over everything. When the Mental Health Act applies, several things are outside an attorney’s reach:
- Preventing detention (sectioning) — an attorney cannot stop someone being admitted to hospital under a section of the Mental Health Act if the legal criteria are met
- Refusing treatment for a mental disorder — while someone is detained, certain treatments can be given under Part IV of the Mental Health Act without the attorney’s consent
- Overriding a Mental Health Act tribunal — mental health review tribunals and managers’ hearings operate under the Mental Health Act, not the Mental Capacity Act
Worth knowing: the LPA continues to operate for matters not covered by the Mental Health Act, even while someone is detained. The attorney can still be involved in accommodation decisions, financial affairs (if they also hold a Property and Financial Affairs LPA), and welfare issues unrelated to the mental health detention.
Key point: If you have an existing mental health condition, creating an LPA while you have capacity is especially valuable. It means your wishes are recorded, your attorney can help with voluntary treatment decisions, and your finances and care can be managed if you are ever too unwell to do so yourself.
Recording Mental Health Wishes in Your LPA
The preferences and instructions section of a Health and Welfare LPA is an underused tool for people with mental health conditions. You can use it to record things like:
- Which treatments you would or would not want in a crisis
- Medications that have worked well or caused problems for you in the past
- People you trust to be involved in treatment decisions
- Your preferences about hospital admission versus community support
- Cultural, religious, or personal values that should guide your care
This written record is not legally binding in the same way as an Advance Decision to Refuse Treatment — but it is powerful evidence of your wishes and gives your attorney a clear brief. It also gives clinicians context that they might not otherwise have in a mental health crisis.
Crisis Planning and the LPA
Some people with long-term mental health conditions use a combination of an LPA, an Advance Decision to Refuse Treatment, and a crisis plan supported by their clinical team. An LPA attorney can be a valuable part of this network — someone who knows the person well, can communicate with clinical teams, and can help ensure the person’s life is managed properly when they are unwell.
Talk to your care coordinator, community mental health team, or GP about how an LPA can work alongside your existing care and crisis planning.
Key Takeaways
- Two separate legal frameworks — the Mental Capacity Act underpins LPAs; the Mental Health Act governs compulsory treatment and detention. Both can apply to the same person at different times.
- LPA works for voluntary treatment — attorneys can consent to or refuse mental health treatment where the Mental Health Act is not engaged.
- Mental Health Act takes precedence — if someone is detained under the Mental Health Act, treatment for their mental disorder can proceed without attorney consent.
- Dementia is different — dementia decisions generally fall under the Mental Capacity Act and the LPA framework applies fully.
- Record your wishes — use the LPA preferences section to document mental health treatment wishes, medication preferences, and crisis guidance.
Common Questions About LPAs and Mental Health
Can an LPA attorney make decisions about mental health treatment?
A Health and Welfare LPA can cover some mental health decisions, such as consenting to therapy, medication, or voluntary admission. However, it cannot override the Mental Health Act 1983 if someone is detained under that Act. Treatment given under a section operates outside the LPA framework.
Can an LPA prevent someone from being sectioned?
No. An LPA attorney cannot prevent someone from being detained under the Mental Health Act 1983. If the criteria for detention are met, the Mental Health Act takes precedence. The LPA continues to apply to decisions not covered by the section.
Can a Health and Welfare LPA help with dementia-related mental health decisions?
Yes. For conditions such as dementia, where the Mental Health Act does not typically apply, a Health and Welfare LPA gives attorneys full authority over treatment, medication, care settings, and daily welfare decisions.
Should I mention mental health in my LPA preferences?
Yes, where it is relevant. If you have a mental health condition or want to record your wishes about treatment in a crisis, you can write these into the preferences or instructions section of your LPA. This gives your attorney useful guidance and ensures your wishes are documented clearly.
This guide was last reviewed and updated on . Information is based on current legislation and OPG guidance for England and Wales.
Official Guidance
Further reading from GOV.UK
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