I’ll second Jamie’s suggestion. Wheels off, bin bags taped over both ends of the frame, wheels in another. It’s just bulky luggage at that point.

Bollocks. Haven’t ridden it for 10 years, but it was a firm fave route when I was living there. And yes, ONCE I cleaned it.. fully rigid:-)
Still, assuming the overflow for the water tower still heads down that way, give it a few years & It’ll be back up & kicking us in the teeth again !