Thanks Woody, very much appreciated.
I spoke to planning previously about doing a proper conversion on the garage and they said I didn't need consent. Is that what you mean on the first point? I'm still not sure if I understand if there's something that isn't a garage, but also isn't a...
I've read a lot of threads like this, but don't think I've found quite my answer yet (which probably just means I haven't found the right thread yet).
I've got an integral garage on my 1930s house. The previous owners constructed over the top of it so our en-suite and half of my sons bedroom...