You will get naturalisation certificate on the day you attend ceremony. You only need to send your current (uncancelled) passport of your home country with your British passport application. Sorry if the OP was a bit confusing, I do not have a passport at all. I'm 20 years old and came to the UK wh...

I just became a British National and will be booking a ceremony shortly, but need a passport before the end of August because I have some business in Turkey. On the application form, it says to attach "The passport you entered the UK with and your Home Office certificate of registration or natu...