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Duncan Lewis Solicitors

Work 020 7923 4020

Rachel Caswell

Work 020 7275 2793
Duncan Lewis Solicitors

Work Department

Mental Health


Rachel is a director in the mental health and mental capacity departments at Duncan Lewis. Rachel specialises in all aspects of mental health law, and has particular expertise in representing patients detained in adolescent mental health units and in restricted mental health cases. 

Rachel undertakes her own advocacy at First-tier Tribunal hearings, representing clients in order to restore their liberty. She travels across the country to advocate on behalf of clients, endeavouring to undertake representation from beginning to end of the case; this will include undertaking Tribunals, Managers Hearings and attendance at Section 117 aftercare meetings.

In many cases her clients are considered to lack capacity and consequently, she is appointed to act in their best interests. She has extensive experience of representing clients subject to civil sections, such as section 3 and section 2 and also forensic sections of the Mental Health Act 1983 (as amended by the 2007 Act).

Rachel also has broad experience in all Court of Protection matters. In instances where individuals are worried about losing the ability to manage their finances or who will make decisions about their welfare in later life, Rachel has significant expertise in cases involving Lasting Powers of Attorney.


Rachel qualified as a solicitor in 2008 and joined Duncan Lewis as a partner-level director in 2015.


Rachel is fluent in French.


Rachel is a Legal Aid Agency Supervisor and accredited Law Society Mental Health Panel member which ensures her clients and their representatives can easily recognize and trust her abilities as a legal practitioner with proven competency in mental health law. She is also a member of the Mental Health Lawyers Association (MHLA) which means she has excellent capabilities in this area of law.


Rachel completed a BA (Hon) degree in Law with French at Newcastle Upon Tyne University before completing her LPC at the College of Law, London.

London: Private client

Court of protection

Within: Court of protection

Duncan Lewis Solicitors fields a ‘team that is quick to respond’. Key contacts are Rachel Caswell , Jemma Garside  and Toufique Hossain . It has a multi-disciplinary team that collaborates with its experts from its mental capacity, mental health, community care, clinical negligence and public law departments. Alex Peebles  and Helen Cummings  are both ‘personable and client-focused but with a keen eye on the law, strategy and procedure to ensure the very best outcome for their clients’.

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