This guide is maintained as a current resource for September 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.
Comprehensive guide to how courts determine the best interests of children in England and Wales. Explains the welfare principle and checklist under the Children Act 1989, how evidence is evaluated, the role of CAFCASS, and practical guidance for families and solicitors navigating child welfare decisions.
In family law in England and Wales, one of the core principles guiding decisions about children is the best interests rule. Whether parents are disputing child arrangements after separation, or the court is considering welfare concerns, the judiciary must prioritise the child's welfare above all other factors. This principle - often referred to as the welfare principle or paramountcy principle - is enshrined in key legislation and underpins how courts assess what will most benefit a child in any given situation. This article explains the legal framework, statutory tools such as the welfare checklist, how evidence and assessments inform judicial decisions, the role of professionals like CAFCASS, and practical guidance for families and professionals involved in proceedings.
Legal Basis: The Children Act 1989 and the Welfare Principle
The starting point for any court decision affecting a child's life is Section 1(1) of the Children Act 1989, which states that:
“When a court determines any question with respect to the upbringing of a child … the child's welfare shall be the court's paramount consideration.”
This welfare principle is sometimes called the best interests test and reflects the law's focus on safeguarding the child's safety, development and wellbeing. The Act does not define “welfare” in precise terms, but it provides a framework - the welfare checklist - to guide courts in applying the best interests principle consistently.
The Welfare Checklist: Statutory Factors Courts Must Consider
The welfare checklist in Section 1(3) of the Children Act 1989 lists factors the court must have regard to when deciding child‑related questions, such as where a child should live, who they should spend time with, or specific issues like schooling or relocation. These factors are not assessed in isolation but as part of a holistic evaluation of the child's circumstances.
Key factors in the welfare checklist include:
1. The Child's Wishes and Feelings
The court considers the child's expressed wishes and feelings, taking into account their age and ability to understand the situation. Older children may have views that carry significant weight, while younger children's preferences are assessed in light of maturity and comprehension. Courts often obtain this information through interviews or reports.
2. Physical, Emotional and Educational Needs
Judges evaluate how each prospective arrangement supports the child's physical health, emotional wellbeing and educational progress. This includes assessing whether proposed living situations provide stability in schooling, routines and care.
3. Likely Effect of Changes
The potential impact of changes in the child's life - such as moving home, altering contact schedules or changing schools - is carefully considered. Courts aim to balance benefits against disruption and stress for the child.
4. Age, Background and Other Characteristics
The child's age, sex, cultural background, disability, additional needs or other personal characteristics that are relevant to the case are examined, as these factors can influence the appropriateness of certain arrangements.
5. Harm or Risk of Harm
Any evidence of harm the child has suffered - or may be at risk of suffering - is central to the assessment. This includes physical abuse, emotional neglect, exposure to domestic violence or other threats to safety.
6. Capacity of Parents or Carers
The court evaluates the ability of each parent or significant caregiver to meet the child's needs, including emotional support, consistency and cooperation with the other parent when appropriate.
7. Range of Powers Available to the Court
Finally, the court considers its own toolkit of available orders (such as Child Arrangements Orders, Specific Issue Orders, Prohibited Steps Orders) and whether any particular order is suitable and necessary.
Application of the Welfare Checklist in Practice
Judges and magistrates do not simply tick off each factor; instead they weigh them in the context of all relevant evidence. The checklist serves as a structured guide to ensure consistency and thoroughness in the decision‑making process.
No Order Principle
In addition to considering the checklist, the court applies the no order principle under Section 1(5) of the Children Act 1989: it will not make an order unless doing so would be better for the child than making no order at all. This ensures judicial restraint and prioritises outcomes that genuinely benefit the child.
The Child's Voice: How Wishes Are Considered
Children are increasingly recognised as active stakeholders in decisions affecting them. Courts are required to consider a child's wishes and feelings in light of their age and understanding, though these wishes are one part of a broader assessment and not determinative on their own. Older or more mature children's views typically carry greater influence, but judges balance these against protective and welfare considerations.
Professionals such as Children and Family Court Advisory and Support Service (CAFCASS) officers often interview children and prepare independent reports to assist judges in understanding the child's perspective without placing them in adversarial situations.
Evidence and Professional Reports
Family courts frequently rely on structured reports from CAFCASS, social workers or independent experts to assess factors such as emotional wellbeing, risk of harm, stability and parental capability. These reports are evidence‑based and aim to provide judges with a clear picture of the child's circumstances.
Expert evidence may also be considered in complex cases involving special educational needs, psychological conditions or safeguarding concerns. The court assesses all available evidence in light of the welfare checklist and the overarching principle of the child's best interests.
Impact of Case Law and Policy
Judicial interpretation, including decisions emphasising continuity of care and careful weighting of parental involvement versus the child's needs, illustrates how best interests must be applied in context. For example, courts have reaffirmed that decisions should not overly prioritise biological relationships where welfare factors suggest alternative arrangements are better for the child.
Recent policy discussions have also drawn attention to how courts address risk, particularly in cases involving domestic abuse, with reforms aimed at ensuring safety is fully integrated into assessments of the child's interests.
Practical Actions for Families and Practitioners
Prepare Evidence Carefully
Clear, factual evidence supporting each welfare checklist factor strengthens submissions to the court. This may include school reports, medical records, witness statements and professional assessments.
Engage with CAFCASS and Social Services
Co‑operating with reports prepared by CAFCASS or social workers ensures the court has a holistic picture of the child's needs and circumstances.
Focus on the Child's Needs, Not Parental Rights
Framing arguments around how proposed arrangements serve the child's welfare - rather than what benefits a parent - aligns with how courts frame their decisions.
Seek Early Dispute Resolution
Where possible, mediation or negotiation focusing on the child's best interests can reduce conflict, save time and minimise emotional stress for families.
Common Questions
Does a child's preference decide the outcome?
No. A child's wishes are one factor; courts balance these against wider welfare considerations, including safety and stability.
Is stability more important than parental contact?
Stability is a key consideration, but courts assess each situation individually. Maintaining meaningful relationships with parents can be important if it serves the child's welfare.
Are courts influenced by financial capability?
Financial means are less significant than emotional support, caregiving consistency and overall ability to meet the child's physical and developmental needs.
Summary
In family court proceedings in England and Wales, determining the best interests of a child is guided by the statutory welfare principle and the structured welfare checklist contained in the Children Act 1989. Courts must prioritise the child's well‑being, taking into account a range of factors including the child's wishes, needs, risks of harm, and each parent's capacity to meet those needs. Judges weigh these considerations collectively alongside evidence from professionals such as CAFCASS to decide what will most benefit the child's welfare and development. Understanding how the best interests test is applied - and preparing clear, child‑focussed evidence - helps parents, carers and solicitors navigate complex family law disputes with clarity and confidence.
