I live in an attic with a spire on the top floor, and now I have changed the spire into a flat-topped glass room. . (The load-bearing wall hasn't changed, so it doesn't occupy the public area) Is this illegal? Send a photo to everyone first.

Without property, there is no agreement between owners and no explanation of houses, public areas and facilities.

Well, let's see what the urban management thinks of you. If you ask for the deadline to be restored, there are rules to check. If it's just talk and emotional communication, you know.