I'm calling "bollocks!" on your last post, Pastie.
If you knew Bodmin Gaol at all then you wouldn't have to Google it.
My reading of the situation is that you tried desperately to wum me on whether or not I (or my builder) knew Cornwall, and when I brought up the subject of the Gaol, you leapt at the chance like a dog with two dicks. Unfortunately for you, though, Pastie, you didn't expect me to have been in negotiations to buy the place, so you flew into a feverish panic that set you desperately tapping away at your computer, but the damage was already done, and I tied you up in knots, last night.
I heartily recommend everyone to go and read it, since it presents an absolutely master-class in how to destroy an amateur wumster!

Were you going to turn the landmark piece of architecture into flats mate?
Change of use might have been an issue like