Ferrous is £50/60 a ton now since China bought up all the world's scrap iron and steel and pushed the price up. Aluminium is about £500/ton. You can find prices on Google. I've got an old Sierra on the drive and in the last month I've had four scrap dealers knock at the door offering to take it away for free. I think it now pays enough to make it worth their while driving around residential roads looking for old cars to collect. Not that long ago they charged for collection and maybe took them for free or gave you a few quid if you trailered them to a yard.
I do sometimes wonder what it is that the Chinks are making with all this scrap. Probably cars and car engines for their huge and rapidly becoming more affluent population. As long as it isn't bombs and tanks. Mind you if they take Bush out with those I wouldn't complain.