Here's the original thread by FMT that I bookmarked when we first discussed this
https://www.diynot.com/diy/threads/building-regs-classification-of-a-conservatory.278544/
I never realised it was so long ago, and lo, DOH was there all as long!
https://www.diynot.com/diy/threads/building-regs-classification-of-a-conservatory.278544/
I never realised it was so long ago, and lo, DOH was there all as long!