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Sara Horncastle Headshot

Sara Horncastle


Partner
Department: Child Care & Public Law

Sara Horncastle joined Ridley & Hall in April 2025 as a Partner in the Care Team.

A specialist Children’s Solicitor, Sara has practised exclusively in the field of children law since qualifying in 2010. She has been a member of the Law Society’s Children Panel since 2015—an accreditation that recognises her expertise and authorises her to represent children directly or through a Children’s Guardian in court proceedings.

Sara has extensive experience in Care Proceedings, particularly when a local authority applies to the Family Court due to concerns around a child’s welfare. She represents a broad range of clients, including parents, children, extended family members and intervenors, in complex and sensitive cases involving:

  • Neglect
  • Mental health issues
  • Domestic and parental violence, including sexual violence
  • Substance misuse
  • Alleged physical and/or sexual abuse of a child
  • Factitious Induced Illness (FII)
  • Cases with international elements
  • Forced marriage
  • Deprivation of liberty of children
  • Death of a child

She has a particular interest in highly complex matters, especially those involving serious injury, the death of a child, or allegations of significant physical or sexual violence between parents. In such cases, Sara is adept at managing sensitive information and carefully balancing the rights and vulnerabilities of all parties involved.

Sara frequently acts in cases where there are concurrent criminal and family proceedings, and is experienced in managing challenges such as cross-disclosure of documents. She regularly undertakes her own advocacy in the Family Court but also collaborates with respected barristers across the country to ensure the best possible outcomes for her clients.

Beyond court representation, Sara advises parents involved in ‘pre-proceedings’ processes—supporting families as they work with local authorities to avoid formal Care Proceedings.

Having trained in the North East and Yorkshire, Sara committed early to a career in children law. Following qualification, she joined FMW Law in London (later incorporated by GT Stewart), a firm specialising in family and children matters. After 14 years in London, Sara returned to her home county of Yorkshire, where she established the Children Law department at GT Stewart’s Leeds office before moving to Ridley & Hall. She continues to represent clients both locally and nationally.

Sara is passionate about her work and is known for providing clear, realistic advice. She is acutely aware of the emotional strain that clients may experience and tailors her approach to meet each individual’s circumstances. She has extensive experience working with clients who are care-experienced, neurodivergent, or who have mental health or learning difficulties, as well as those who require an interpreter.

Memberships:

Sara is a member of the Law Society’s Children Panel, the Leeds Law Society and the Association of Lawyers for Children.
She is also proud to be a Mentor with Lawyers Who Care, an organisation dedicated to supporting care-experienced aspiring lawyers.


Child Care & Public Law Team

Zoe Butt headshot

Zoe  Butt

Partner,
Solicitor,
Team Leader of the Care Team
Zoe Butt joined the firm in March 2023 as a Partner. Zoe has a wealth of experience in children matters and works in our Care and Public Law teams. Zoe’s particular expertise is in complex care proceedings involving Child Sexual and Criminal Exploitation, and cases involving alleged Non-Accidental Injury. She also has a wealth of experience in dealing with cases involving Forced Marriage, Female Genital Mutilation and Honour Based Violence....
Ellie Butterfield Headshot

Ellie Butterfield

Trainee Solicitor
Ellie joined Ridley & Hall as a Trainee Solicitor in April 2025 and is currently completing her Training Contract. Alongside her role, she is studying the Legal Practice Course (LPC) part-time, with a view to qualifying as a solicitor in 2027....

Nicki Butterworth

Associate Personal Assistant
Nicki is an experienced Personal Assistant who works within the Care & Public Law Team (for Child Care Director, James Cook). Nicki’s career began in the retail sector, and it was there where she began to hone her renowned communication and customer service skills....
James Cook

James  Cook

Director,
Head of Child Care & Public Law Team
James Cook trained and qualified at a South Yorkshire firm where he specialised in family and immigration law. ...
Clare Linden Headshot

Clare Linden

Partner
Clare joined Ridley & Hall Solicitors as a Partner in 2018. Clare graduated from Durham University and completed her legal training at the College of Law in York in 2006. Clare qualified as a solicitor in 2008 when she re-located to Leeds to join the niche family law firm McAras and was made a partner in 2013 following the firm’s merger with Simpson Millar solicitors in Leeds....
Alisha Mazher Headshot

Alisha Mazher

Solicitor
Alisha is a qualified family law solicitor with ample experience and knowledge in domestic abuse cases, private child arrangements and kinship....
Laura Milburn

Laura Milburn

Partner
Laura has many years of legal experience and was called to the Bar in 2010.  After qualifying as a Barrister, Laura cross-qualified to become a Solicitor in 2012.   Laura is a passionate advocate and has used her advocacy and negotiation skills on behalf of many clients over the years. ...

Helen Moody

Partner,
Solicitor
Helen joined Ridley & Hall in 2012 after completion of the Legal Practice Course,  initially as a Legal Assistant working alongside Nigel Priestley to build up experience in the Public Law department. Helen completed her training contract at Ridley & Hall and qualified as a solicitor in 2016. Helen has had major successes in claiming allowances and back dated payments for kinship carers from Local Authorities across the country. Helen was made an Associate Solicitor in January 2023....
Kim Noble

Kim Noble

Associate,
Solicitor-Advocate
Kim qualified as a Solicitor-Advocate in 2019 after obtaining her Higher Rights of Audience (Civil) as a Trainee Solicitor based in the Care Department at a Local Authority. Kim has obtained a Law Degree, Legal Practice Course and a Master of Laws prior to qualifying as a Solicitor-Advocate....

Nigel Priestley

Senior Partner, MBE
Nigel Priestley is a Senior Partner of Ridley & Hall Solicitors and a community care and adoption specialist solicitor. He is a member of the Children’s Panel and regularly represents children and parents in care proceedings. ...