The documents we require for registration as a British subject by a person under 18

This page provides details of the documents you will need to supply to us to support the registration as a British subject by a child.

The documents you need to send will depend on which of the eligibility requirements the child meets.

Evidence of the child's birth and citizenship

You should provide:

  • the child's birth certificate; and
  • the child's passport.

Evidence of the parent's citizenship

You should provide:

  • the parent's naturalisation or registration certificate; or
  • the parent's passport.


If the parent concerned is the child's father, you should provide:

  • the parent's marriage certificate.

Evidence that the child is experiencing genuine difficulties because they do not have a passport

You should provide:

  • a letter explaining the problems the child is having, including any supporting documents.

Evidence that custody of the child has been awarded to one parent (if this has occurred)

You should provide:

  • the court order.

Evidence that the child is adopted (if this is so)

You should provide:

  • the court order.

Any other evidence

You should also provide any other evidence that may be relevant to the application:

  • if the child is married you should provide the marriage certificate.

Application forms

Registration of a child under 18 as a British subject

Choose a different form