So, I was not entirely happy my mother had booked my day off... but there were other, better, cheaper, ways of getting out of it!
Was getting my clothes ready for the day out, when I realised that the carpet was wet! That could only mean one thing... leaking hot water cylinder. Like I said - not the nicest excuse, although quite original.
Luckily my brother-in-law had the name of a good plumber who was able to come straightaway (sorry guys, he's not taking on any more work!). A couple of hours, a couple of hundred dollars later - all ok!
Just another symptom of previous owners' DIYing!
I now get to sleep with the window open, trying to dry out the carpet in my bedroom. Yes, a bedroom is an odd place for a hot water cylinder... long story... DIY, indeed.