Possible cultivation on existing property

Are you sure about that?

No. I am of the opinion that the exterior walls are not included, but the interior walls are. They are also talking about gross living area.

planning architect

He has probably already handed over the planning reins.

Hello, thank you for the answers. I have so far dealt with the topic myself and try to clarify as many things as possible on my own.

No. I am of the opinion that the exterior walls are not included, the interior walls are. It is also referred to as gross living area.

Sorry. Being of that opinion does not help. If you look in the regulation from 1977 The enclosing walls = exterior walls are included. By the way, this is still the case today. Floor area ratio / full stories = exterior dimensions. Maybe you are mixing something up, floor area ratio has nothing to do with gross living area anyway.

Sorry. Being of the opinion does not help

Therefore, my reference to our expert

That's why my reference to our specialist

Luckily, it worked. It's a pity that one can't be more direct here.