Use the online service (CH299) to apply for an extension of Child Benefit if your child's under 18 and has left approved education or training.
You could get the extension if your child is 16 or 17, has left approved education or training, and has either:
To claim extended Child Benefit for up to 20 weeks, you can use the online service (sign-in or set up a Government Gateway account).
Child Benefit when your child turns 16
When you can claim for a child over 16, approved education or training, and when payments stop or continue.
Don’t include personal or financial information like your National Insurance number or credit card details.
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