Apply for extension to Child Benefit
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.
Documents
Details
You could get extended Child Benefit for up to 20 weeks if your child is 16 or 17, has left approved education or training, and has either:
- registered for work, training or full-time education with a ‘qualifying body’ (for example, a careers service or Connexions)
- signed up to join the armed forces
You’ll need to sign in to apply online. If you do not already have sign in details, you’ll be able to create them.
Email HMRC to ask for this form in Welsh (Cymraeg).
Related forms and guidance
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.