Separation Agreement with Child Arrangements Explained | LegalDocuments.co.uk

What this document is

A separation agreement with child arrangements is a written record of what two parents have agreed about living arrangements, contact, decision-making, and financial contributions for their children after they stop living together. For unmarried couples in England & Wales, there's no divorce process to work through, which means there's no automatic court involvement and no financial order made by a judge.

That puts the onus on the parents themselves to document what they've decided. The agreement usually covers two broad areas. The first is the child-focused side: where the children will live, how time is divided between parents, how school holidays and birthdays are handled, and who makes decisions about schooling, healthcare and similar matters.

The second is the financial side, which can include contributions toward the child's upkeep alongside any arrangements about shared property, savings or possessions. It's worth being honest about one thing up front: arrangements relating to children are never fully binding on a court.

A judge will always have the final say on what's in the child's best interests, regardless of what the parents have written down.

How to use this document

1. Talk it through before drafting. Before putting anything on paper, both parents need an honest conversation about what the day-to-day reality will look like. This covers where the children will spend term time, how weekends and holidays are split, and how you'll handle the unexpected things like illness or school events. Rushing this stage tends to produce agreements that fall apart within months.
2. Record who the agreement is between. Set out the full legal names and current addresses of both parents, along with the names and dates of birth of each child covered by the arrangement. Being precise here matters because the document needs to clearly identify who has agreed to what, and which children the arrangements apply to if questions come up later.
3. Set out the living and contact schedule. Describe in practical terms where each child will live and when they'll spend time with the other parent. Many families find it helps to cover term-time routines, school holidays, Christmas, birthdays, and handover arrangements separately rather than relying on vague wording. The more specific the schedule, the less room there is for misunderstanding later on.
4. Address decision-making and financial contributions. Explain how significant decisions about the children's education, medical care, religion and travel will be handled, whether jointly, or by the parent the child primarily lives with. Cover financial contributions toward the children's costs, bearing in mind that statutory child maintenance rules apply regardless of what any private agreement says.
5. Review, sign, and keep it under review. Both parents should read the agreement carefully, ideally after a break from drafting, and consider whether to take independent guidance before signing. Once signed and dated by both parties, keep copies safe. Arrangements should be revisited as children grow, because what works for a five-year-old rarely works for a fifteen-year-old.

Common questions