This guide is maintained as a current resource for July 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Explains how courts determine the best interests of the child in family law cases in England and Wales: statutory basis under the Children Act 1989, the welfare checklist of factors, evidence‑gathering, CAFCASS involvement, practical guidance for applicants, and common questions answered.
In family law cases involving children in England and Wales, courts must prioritise the best interests of the child when making decisions. Whether the dispute concerns where a child lives, the amount of time they spend with a parent, relocation, healthcare, education or other aspects of upbringing, the child's welfare is the paramount consideration the court must apply under law. This article explains how courts assess the best interests of a child, the legal framework that guides decision‑making, the factors judges consider, and how evidence is gathered and weighed in proceedings. It is written to be accessible to solicitors, students, and members of the public.
The Legal Basis: Paramountcy Principle
The requirement that a child's welfare is the paramount concern in court decisions arises from Section 1(1) of the Children Act 1989. This foundational principle means that whenever a court is asked to make an order “with respect to the upbringing of a child”, it must consider what will best promote the child's welfare above all other considerations, including parental preferences.
This principle applies across a wide range of family court matters, including child arrangements applications, variation of orders, relocation disputes, and applications affecting parental responsibility.
The Welfare Checklist - Structured Decision‑Making
To give practical effect to the paramountcy principle, the Children Act 1989 sets out a welfare checklist in Section 1(3). This checklist provides a structured framework of factors that the court must take into account when assessing what is best for a child. It is used by judges, magistrates and welfare professionals in hearings and written judgments.
Key Factors the Court Must Consider
- Wishes and Feelings of the Child – The court must consider what the child expresses they want, taking into account their age and understanding. Older children's views often carry more weight, with courts assessing maturity rather than treating age alone as decisive. Information is often gathered through Children and Family Court Advisory and Support Service (CAFCASS) officers or guardians.
- Physical, Emotional and Educational Needs – Decisions must support the child's overall development, including health, emotional wellbeing and consistent access to schooling and learning support.
- Likely Effect of Change in Circumstances – The impact on a child of changes such as moving home, changing schools, or altering contact arrangements must be carefully judged. Courts generally seek stability and continuity where possible.
- Age, Sex, Background and Other Characteristics – The court considers personal characteristics, cultural context, and any additional needs that may be relevant to the child's welfare.
- Any Harm Suffered or At Risk of Suffering – Past harm or foreseeable risk of harm, including physical injury, emotional abuse or neglect, is a critical consideration. Safety and protection can outweigh other factors in decision‑making.
- Capability of Adults to Meet the Child's Needs – The court assesses how capable each parent or relevant person is in providing care, supervision, emotional support, and meeting the child's needs.
- Range of Powers Available to the Court – Judges consider what legal orders are available and whether making an order at all is necessary or proportionate under the no‑order principle.
These factors are not ranked; the court weighs them dynamically based on the child's circumstances.
Evidence and Assessment
CAFCASS Involvement
In many private law cases the court instructs a CAFCASS officer to prepare a report for the judge. This may involve interviews with the child (where appropriate), parents, and other family members, and an independent assessment of the child's needs and circumstances. Reports help the court understand the child's wishes and the practical implications of different outcomes.
Professional Reports and Expert Evidence
In more complex cases, the court may receive evidence from psychologists, child psychiatrists, social workers or educational specialists. This professional evidence assists the court to understand emotional and developmental implications of proposed arrangements.
Child's Own Voice
While the child's expressed views are important, they are always considered in context. Younger children may be heard indirectly through professionals, and courts guard against placing children in positions where they must make difficult choices between parents. Courts also distinguish between a child's wishes and what might objectively benefit them.
Practical Application in Court
Private Law Disputes
In private family law cases - such as disputes over living arrangements or contact - no single factor dictates the outcome. The welfare checklist guides judges to consider all relevant evidence and make balanced decisions that serve the child's best interests.
For example, in relocation cases where one parent wishes to move with a child, the court assesses emotional and educational impacts, the child's wishes, practical arrangements for contact with the other parent, and safety considerations.
Public Law and Care Proceedings
In public law cases involving local authorities and child protection, courts also apply the welfare checklist to determine whether care orders or supervision orders are necessary to protect the child from harm. In these proceedings, threshold criteria under Section 31 of the Children Act 1989 may first be considered before welfare analysis.
Time and Delay Considerations
In addition to the substantive welfare factors, courts recognise that delay can prejudice a child's welfare. The law requires that decisions be made without undue delay, particularly where a prolonged process could harm a child's stability or attachment to caregivers. Timeliness is thus woven into the best interests assessment.
Practical Guidance for Applicants
Presenting Evidence
Parties should submit clear, fact‑based evidence that relates directly to the welfare checklist. Including professional reports, detailed statements, and examples of a child's routine and needs can help the court understand the practical impact of orders.
Engaging CAFCASS Constructively
Preparing cooperatively with CAFCASS officers, providing full information, and enabling interviews with the child (where appropriate) helps ensure that the court receives comprehensive insights.
Child‑Centred Focus
Parties should frame statements and submissions around the child's needs rather than parental preferences. Demonstrating an understanding of the checklist factors and addressing each one directly strengthens a case.
Common Questions
At what age will courts listen to a child's wishes?
There is no fixed age. Courts consider the child's maturity and understanding. Older children, particularly those aged 11 or 12 and above, often have views that carry more weight, though this depends on individual capacity.
Does the court always follow the child's expressed wishes?
No. The court considers wishes in context with other welfare factors. A child's preference may be outweighed by considerations of safety, emotional stability, or other critical needs.
Are the welfare checklist factors exhaustive?
No. The listed criteria guide decision‑making but are not an exhaustive list. Judges may consider additional factors relevant to a child's specific circumstances.
Key Takeaways
In family law proceedings in England and Wales, the court determines what will most benefit a child by applying the best interests principle under Section 1 of the Children Act 1989. The statutory welfare checklist guides judges through a range of considerations, including the child's wishes and feelings, their physical and emotional needs, the likely impact of changes in circumstances, any risk of harm, and the capacity of adults to meet the child's needs. Evidence from professionals, CAFCASS assessments, and other reliable sources informs the court's analysis. Decisions focus on safeguarding the child's welfare, ensuring stability and safety, and avoiding unnecessary delays.
