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Children: Maintenance

Asked by Tony VaughanLabourDepartment for Work and PensionsTabled Answered 21 October 2025UIN 82050

The question

To ask the Secretary of State for Work and Pensions, what steps she is taking to ensure that child maintenance calculations reflect the needs of children in the paying parent's home.

Answered by Andrew Western

Information about the paying parent's gross income is taken directly from HM Revenue and Customs (HMRC) for the latest tax year available. This allows maintenance calculations to be made quickly and accurately.

The amount of maintenance a paying parent must pay can be reduced if they have other children they provide care for. If the paying parent or their partner gets Child Benefit for children for whom they have financial responsibility, we can take them into account. We call these relevant other children. The Child Maintenance Service (CMS) will reduce the paying parent’s weekly income by a percentage depending on the number of children they or their partner has responsibility for before the primary calculation rates are applied. If the Paying Parent’s liability is based on the basic or basic rate plus, their gross weekly income is reduced by 11% for one child, 14% for two children and 3 or more children by 16%.

This ensures the Child Maintenance Service fulfils its responsibility to consider the welfare of all children connected to a case. The Government is also conducting a review of the child maintenance calculation to make sure it is fit for purpose.

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