Why not?
This is definitely still possible after building approval, as it does not violate public order or cause any negative impression. From an energy perspective, relocating makes no difference. Structurally neither.
For outsiders, a pebble; for you, a rock!
I would also move the windows in Kind 2 and Schlafzimmer 60 cm away from the wall towards the roof. This way, the wardrobe can then be moved up to the outer wall.
Because the walls and the ceiling are coming on Thursday.. But I'll give it a try.. The upper floor is not up yet.. Do you think it will be without problems?! But shutters are supposed to go there too.. Don't know if that's that easy?!
The walls are coming and now you're asking for floor plan changes? Well, I believe there's probably nothing more possible, who is supposed to keep that under control.