Originally Posted by
Swiss Tony
That seems strange as a few years back, I had UUA'd a WTP fare to club.
We then changed our plans and a nice I class sale came along. When I called up BA to sort this out, I distinctly recall it being a two stage process. First they cancelled the upgrade & refunded the miles, then they refunded the underlying ticket.
They couldn't decide what the cancellation fee was supposed to be - I think I got off lightly

The UuA portion is refundable as noted above. However if you want to then cancel the ticket completely the cancellation fee and terms should have been those of the underlying WTP fare.