How do I make my mortgage application in HSBC?

You can make your mortgage application at the link. 

To be eligible, you should: 

1. live in Great Britain
2. be 18 years old or older
3. gain income in GBP
4. do not apply for a buy-to-let mortgage
5. buy a property to live in it
6. are not a member of the military
7. you do not buy through a government scheme