I built a garden office 6 x 3.5 a couple of years ago and contacted my local council to make sure I could build it within permitted development and even without building regs (under 15m2 internally).
I believe the rule is 2.5m from the original level of the ground around your house.
I staked...
I have a half wall on my landing that I would like to knock down and replace with a landing rail. It use to be the wall/entrance to a bedroom before the bathroom was installed upstairs and a new door way added.
I was thinking to tackle myself by just knocking of plaster and removing with hand...