Alternative builds: LEGO Harry Potter – Build your own Adventure book

Having been exposed to COVID-19, I had to self isolate. While overseas and far away from all the sets I've still got to review, luckily I had packed the rather excellent LEGO Harry Potter - Build your own Adventure book, which I reviewed the other day. It had a small selection of parts, which I in my boredom of isolation soon tried to use for alternative builds. Here is what I did...