In reply to galpinos:
I haven't contacted Hands On other than on their Facebook, to which I got no reply. I couldn't find any contact details, but will have another look now.
It wasn't intended to be a "ticket" grab. I didn't know my partner was going to injure himself, and now a change of jobs is moving me to the other end of the country. I did, however, think that someone else might appreciate the spaces that would otherwise go unused.