I run a business which in school hours delivers a post-16 course to a group of 16 & 17 year olds. It’s state funded and whilst we’re not on a school site, we are part of a (virtual) School. I have a studio near the town centre where I live. 3 doors down is a guy who runs a garage. He parks his cars (some of which he’s fixing, some of which he’s selling) all down the street. I’ve asked him a number of times not to park in front of my building - I need a clear emergency exit and disabled access. He consistently parked in front of my exit up until about February, then stopped but this morning I found two cars blocking both my main door and emergency access. I left a note (I couldn’t see him) and about 10 mins later he hammerd on my door and was very aggressive. Luckily none of the students had arrived at that point. So what can I do? AIBU to be really pissed off with him?