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Mental Health Act 2025

A new Mental Health Act was published at the end of 2025. While it won’t affect most people directly, it introduces important changes—particularly around how decisions are made when someone lacks capacity and is detained under the Act. Kat, our Mental Health Safeguarding and Clinical Supervision Lead, has highlighted the key changes you should be aware of.
Mental Health Act written on an open book with a quill and ink


Purpose of the Act

– Amends the Mental Health Act 1983 to modernize provisions for “mentally disordered” persons.
– Introduces new principles, safeguards, and processes for treatment and detention. 

Key Changes and Principles

Code of Practice Principles
– Choice and autonomy: Greater involvement of patients and carers in decisions.
– Least restriction: Minimize restrictions on liberty.
– Therapeutic benefit: Ensure treatment is effective and appropriate.
– Respect for individuality: Treat patients with dignity and consider personal history.
 
Application to Wales
Welsh Ministers now have authority to prepare codes of practice and consult relevant bodies.
 
Autism and Learning Disability
– Clear definitions added for autism, learning disability, and psychiatric disorder.
– People cannot be detained solely for autism or learning disability under section 3.
– New review processes for children and adults with autism or learning disabilities, including:
 
– Care, education, and treatment review meetings.
– Annual reviews and reporting requirements.
– Creation of registers of people at risk of detention to improve community support.
 
Grounds for Detention & Treatment
– Detention now requires evidence of serious harm risk and necessity.
– Community Treatment Orders (CTOs) updated with stricter criteria.
– Tribunals must apply new grounds for discharge.
 
Treatment Safeguards
– Defines “appropriate medical treatment” as treatment with a reasonable prospect of benefit.
– Stronger rules for consent:

– Capacity-based decisions aligned with the Mental Capacity Act 2005.
– Second opinions required for certain treatments.
– New section on advance choice documents for future treatment preferences.
 
Nominated Person System
– Replaces “nearest relative” with nominated person chosen by the patient or appointed by professionals.
– Nominated persons have rights to object to admission or treatment orders.
 
Other Major Reforms

– Care and treatment plans mandatory for detained patients.
– Independent Mental Health Advocates (IMHAs) extended to informal patients.
– Police stations and prisons removed as “places of safety.”
– New time limits for transferring prisoners to hospital (28 days).
– Tribunal powers expanded for after-care planning and discharge conditions.
– Human Rights Act obligations extended to certain private care providers.


To find out more about the Mental Health Act 2025, please visit the Government’s website by clicking below.

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Megan

Delivery and Strategy Lead: Co-Production and Community Engagement (Leatherhead)

Portrait of Megan, Co-Production Lead, MFT

Megan joined MFT in January 2025 and looks after the development of our strategic priority for MFT to live and breathe co-production. She also facilitates our Advisory Group, and champions those with lived experience of mental health challenges to improve the way mental health support is developed, reviewed, and delivered.

Megan first learnt about co-production as a Lived Experience Advisor with the Independent Mental Health Network based at Surrey Coalition of Disabled People, contributing her own lived experience to mental health projects in Surrey and North East Hampshire after graduating university.

She has since worked on a range of development projects for Surrey’s mental health and wellbeing support, immersing community engagement and lived experience into research and decision-making. Additionally, she is an alumna for The King’s Fund after completing their Advanced Organisational Development Practitioner programme.

To maintain her wellbeing, Megan is an avid reader, journals, and practices Yoga.