-
It's going to cost you more than a couple of grand - crane hire + road closure = pricey. Hammersmith and Fulham charge £2127, for example. Half decent bi-fold doors aren't cheap either. Our good quality but relatively budget bi-folds cost £2500.
I'm with you on the recycling bit. I don't actually think the neighbours would mind if it was done properly and fairly quickly, just don't think they'd be keen on an old shipping container rusting away at the bottom of the garden!
-
It's true there are thousands hanging around that need putting to use (cheaper to make a new one than ship back empty to china) but if you're doing any significant alterations to the walls you need to add a lot of structural steel to get the strength back. Plus the fact it's probably coated in some pretty nasty paint and fungicide/insecticide.
I'm sure your neighbours would love living next door to Steptoe and Sons...