Catrin John

Practice Overview

Catrin practises primarily in the area of family law and is a well regarded practitioner often conducting complex cases alongside and against leading counsel.

She has predominantly been instructed to represent Local Authorities and Children’s Guardians in complex cases involving serious sexual and physical abuse of children and has earned a reputation for being well prepared and robust.

Catrin has appeared in lengthy trials on alleged non-accidental injuries and issues of parenting impaired by mental or fabricated illness.

She is also Instructed by Local Authorities in cases under the Mental Health Act such as the displacement of a nearest relative.

Notable and Reported cases

• Representation of local authorities in cases where FFI (Munchausen Syndrome) of mothers has been alleged.
• The case of a poisoning of a child by its mother.
• A case involving the murder of a mother by a father.
• Abuse cases where ‘cultural differences’ alleged to be relevant to the case.
• Numerous cases where children have been seriously sexually abused, including multiple rapes by a family member.
• “Shaken baby syndrome” cases where medical opinions have been divided.
• The death of children.
• A case involving alleged forced marriage.

• Recommendations

  • "Catrin always offers an excellent level of representation and advocacy." (Chambers & Partners 2025 - Family: Children)

  • 'Catrin is always extremely well-prepared. She is very easy to instruct and communicates well with instructing solicitors before, during and after hearings. She is an accomplished advocate who gets her point across very well.' (Legal 500, 2025 - Family: children and domestic abuse)

  • Catrin John is highly regarded in the public law children field and she specialises in representing local authorities and guardians in heavyweight sexual and physical abuse matters."Catrin is very approachable, professional, efficient and has a wealth of experience in complex care cases." "Catrin is reliable, calm and organised and has a lovely manner with clients." (Chambers & Partners 2024, Family: Children)

  • Ranked Tier 1 (Legal 500, 2024 - Family: Children & Domestic Violence)
  • “Catrin is highly experienced in care cases and has always delivered an excellent level of service.” “Catrin is an excellent advocate who has an ability to communicate with clients who are extremely vulnerable.”(Chambers UK, 2023 - Family: Children)
  • ‘Catrin is an excellent practitioner – equivalent to a silk. She is a very effective cross-examiner, and takes a measured approach in complex cases.’ (Legal 500, 2023)
  • ‘Catrin John is exceptionally bright, hardworking, thorough and provides a no nonsense and balanced approach.’ (Legal 500, 2022 - Family & Children Law)
  • "Extremely hard-working and thorough." (Chambers UK, 2021)
  • 'A good advocate with a focus on children matters.' (Legal 500, 2021)
  • 'She's very reliable, knows the cases and is very supportive to her clients.' (Chambers UK, 2020)
  • 'Instructed in both public and private children matters.’ (Legal 500, 2020)
  • 'She has a wealth of knowledge and experience in public law proceedings. Her advocacy skills are superb and her advice is consistent and thorough.' (Chambers UK, 2019)
  • ‘Very experienced in cases involving non-accidental injuries.’ (Legal 500, 2018)
  • 'Experienced, knowledgeable and measured in her approach. Unflappable and clearly respected by the judges.' (Chambers UK, 2018)
  • 'Her practice includes serious cases of abuse and non-accidental injuries'. (Legal 500, 2017)
  • 'Highly regarded in the public law children field, she specialises in representing local authorities and guardians in heavyweight sexual and physical abuse matters. She has further notable experience in cases where parenting has been affected by mental illness. Strengths: "She is very capable, experienced in complex cases, is good with the clients and takes a very sensible approach to what she does." (Chambers UK 2017)
  • ‘Highly recommended for cases involving serious physical and sexual abuse.’ (Legal 500 2016)
  • 'Represents clients in an array of sensitive and complex family law proceedings. Acts for children's guardians and public authorities in cases involving non-accidental injury allegations. Highly regarded for her case preparation.' "Her experience is top-notch and she has an excellent approach." (Chambers UK, 2016)
  • 'She has a forte in children cases involving non-accidental injuries and factitious illnesses' (Legal 500, 2015)
  • 'Highly regarded for her work in complex children's proceedings, particularly those concerning the physical and sexual abuse of children. She also undertakes work with a medical focus, including non-accidental injury matters, as well as ancillary relief cases.' 
  • "She is an extremely able and highly conscientious practitioner." (Chambers UK, 2015)
  • 'She is always well prepared and firm in court’ (Legal 500, 2014)
  • "She is very professional in her approach, always very well prepared and ensuring she makes time for clients, making sure that they understand the process and are able to be fully involved in what is often a difficult and emotional experience." (Chambers UK, 2014)
• Appointments
  • Former Wales and Chester Circuit Junior
• Education & Qualification
  • BVC ICSL
  • LL.B Cardiff University
• Memberships
  • Family Law Bar Association 
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