Yes, I can entirely empathise with you on your mother's shed clearing activities. The same happened to me and it is only by shear fortune that my VH didn't suffer a similar fate (although it ended up as a rusty hulk in corner of her garden). I had a number of complete engines and gearboxes plus any number of engine and other spares; even a frame - all disposed of when I was living abroad. Never mind; they'd have been really useful now, but there you have it.
Hope you can find your 'smokey' Ariel !
PS. Love the Bantam!