Thanks for the reply but I am confused
I was told by the home office on the phone I don't meet the criteria for by descent as my mother and my dad were not British at the time I was born?

Hi I'm having difficulty understanding which application I should make. I am 17 (18 next week) My mother is Spanish My father was Zimbabwean when I was born I was born in London in 2000 in 2003 both my dad and me were granted indefinate leave to remain in 2005 my mum got me spanish citizenship and ...