No worries Adam, a greenhouse isn't a bad idea, weatherproof, plenty of natural light and a few degrees warmer than outside in winter, your wife's idea? Claim it as your own mate!
Just lock your tools inside, there are arseholes everywhere. My company car was broken into overnight, some dick smashed the passenger side window and stole my GPS and a few other things out of the console and glovebox.
Nothing much of value, just a pain in the arse as I had to ring my boss and let him know, call the cops and make a report, then tomorrow I'll have to drive my own car to work, contact the insurance company and make a claim, organise the repairs, blah blah blah.
I've been parking this car in the same spot for 5 years with no problems and some ferret came along and almost ruined my ANZAC day. I say "almost" because I still had the day off work, which was still great. Cheers, Terry.