You are reading a single comment by @jellybaby and its replies.
Click here to read the full conversation.
-
sorting approval
I think you are allowed one external unit under permitted development, any more and you need planning. Ad-hoc installations of one per flat on a block is really ugly and likely to run into issues. It really needs a big system installing on the roof or something but then it's big works, freeholder run etc. Basically a nightmare.
Fitting the pipe runs and power for the internal units would be a ballache but yeah, it's possible. Getting the freeholder to agree to the external unit, locating it where it won't piss the neighbours off and sorting approval for it would be a pain in the ass I'd imagine too.