My boyfriend is British, how to apply for a British visa?

1. If you get married, it will be easier to go through the formalities. If not, you need to apply for a visa to visit relatives and friends in the past, on the grounds of visiting relatives and friends;

You don't need others to send you letters, you need your boyfriend's family to provide information.

3. Proof of deposit is required.

4. All materials are complete, and the processing time of the embassy is 7 working days.

Yes, if it is due, you can give him an extension. If you come back after going out, your visa has expired and you need to apply again. You can decide whether to extend his work visa according to the time he is away.