If you aint got it after going there for 5 years you aint going to get it now!
I'd also be pretty fucked off at someone that I don't know posting pics of my cars registration number on a public forum!
Your going to have to make him an offer he can't refuse, but then if it's been sat like that for 5+ years then I doubt very much it's worth it anymore...
i know him it has only been out in the garden about 3 monthe it is mint the underside is like new all it needs is painting