I know it, seen it in the same location a few years back while visiting another occupant of the underground storage unit. I don't know the owner though.
I think Hull only serves The Netherlands and Belgium so would only save the drive from Harwich to Sherburn-in-Elmet - which may be off-set by ferry costs?
He specialises in Arrows Rootes/Chrysler cars. I've bought some bits off him for my old Vogue. He's a decent bloke, a bit of a character but I'd happily buy from him again. But not this, no room or skills.