Can you tell that I'm completely fed up with these endless city villas? I can't stand looking at them anymore...
What else I notice: so far, it's a couple without children. Two children seem to be planned/wished for. Since you never really know how life will ultimately develop, whether having children will even work out or whether two might become three or four (that apparently happens too ), I would generally consider a floor plan here that can flexibly adapt to future family situations. Why have two children's rooms from the start? Think about how you might design it more freely. For example, you could now treat yourself to a luxurious bedroom or an open gallery and then adjust the room concept as needed if children arrive, maybe move into a smaller room (or not, if children don't come).
The worst case is: I have two nice children's rooms, but it doesn't work out with the children. And then? That sucks...
A good architect can offer many solutions here. And: drywall can be installed afterward (possibly considering corresponding preliminary planning regarding electricity etc.) and currently reduces construction costs (walls that are not built but only exist as an option initially cost nothing).
Just a thought....