Last updated: 26 October 2026 · Written by the family law paralegal team at Court Help Limited In short: The C100 form is the court form you use to ask the family court in England and Wales for a child arrangements, prohibited steps or specific issue order (Children Act 1989, s8). To fill it in, you usually attend a MIAM first, answer each section briefly and honestly, add form C1A or C8 if needed, and pay the £270 fee (checked on GOV.UK, 26 October 2026). This guide walks th
