Procedure to apply for a New Passport in London, UK

Complete the online application form. Make sure to have all necessary documents and information ready.
Need proof of identity (such as a previous passport), proof of citizenship, and a passport-sized photo. The specific requirements may vary depending on your circumstances.
passport photo
Pay the appropriate fee.
Choose whether you require an expedited service or a basic passport.
For your identification to be confirmed, you might need to schedule an appointment. Regarding appointments, adhere to the website’s directions.
You might need to mail your supporting documents, such as your application form, pictures, and any other necessary documents, to the address provided after completing the online application.
Your passport application’s progress can be followed online. You will receive this information during the application process.

Documents Required

Previous passport
Birth certificate
Adoption certificate
Certificate of naturalization or registration as a British citizen.
A recent passport-sized photograph
Marriage certificate
Deed poll documents
If you’re applying for a child, the application may require a counter-signatory – someone who can verify your identity.