The Tornado airframes that weren't gifted to museums went into metal recycling...they probably got a few thousand pounds per airframe at the current...
Phil Bolger published Miniature Steel Tug (not the Microtrawler) in his book 'Boats with an Open Mind'. Offsets and construction drawings are there,...
I've had a rummage round west coast of Scotland yard fees, and it looks like its £600/yr for a mooring (with a spectacular view) and about £2400/ yr...