Our floor plan - Please give your opinions

At some point, if needed, one could plan a kind of mini granny flat upstairs (e.g., for a parent who can no longer live alone)

We definitely want to live only on one level. Also with a view to old age later.

If I may point this out: You downstairs (with a view to old age), the parent even older then upstairs :oops:

You should reconsider: either the parent moves into "your" ground floor wing and you move upstairs, or ...

Regarding the bathtub: you hear often that you hardly need the bathtub, but what if you can or even have to bathe for medical reasons (sitz baths ;))? So a bathtub should be included in the house, but I guess you have also planned that for the kids?

Parent wing basically above a walk-in closet: I like that.
I would feel uneasy if the bathroom window faces the entrance. It would be nicer if there was garden access as well :)

Long distances: my suggestion would be to place the cloakroom area under the stairs and put a door there to the utility room. Or the other way around. The only door to the utility room through the open living area only brings unrest and dirt and nerves torn apart sooner or later. Maybe one could think about rotating the stairs also to get them out of the dirty area. There is enough planned space, so the forecourt of the stairs should also be planned meaningfully.

Regarding the upstairs: lots of potential for changes. Many things have already been mentioned.

I think, from the basic approach it will be a nice house. But there are some drawbacks that can be fixed if you keep at it.
It is not a small standard house where you have to live with compromises, but there is lots of room for improvements, which however also means you have to let go of one or the other "corner."

For example, one could swap the parent wing with the utility room wing (of course with changes that also affect the exterior walls ;)) Then you would have access from the garage through the utility room, bathroom next to WC, access to the dressing room under the stairs, eastern sun in the bedroom, western sun in the dining or living area ... etc.

If I may point this out: You down there (considering the age), the parent still older can then go upstairs

Oh man, now that you mention it... In this case, one would have to think about moving the parent area upstairs, of course. But of course, we hope that such cases do not occur. One should only think about it...

Regarding the tub

Yes, we are planning it upstairs ;) So at least one is in the house. Generally about the floor plan: I have moved a lot back and forth already, but have not come to a satisfactory result to place the parent area in the location of the utility room etc. We think that the "main garden" (the larger part) is now in front of the kitchen and living room. The stairs should also remain in the hallway. That means the hallway should be separated from the living area. In the current floor plan, that would mean the stairs would have to turn 1/4 turn at the bottom. Separating the stairs, if the upstairs actually becomes a single apartment, would then no longer be possible. But who knows what will happen in 25 years... The walking distance to the pantry is not negligible. Closer to the entrance would be nicer. On the other hand, I think with houses that have basements you also have to go "across the house." So purely regarding the walking distance. Somehow I am not really making progress. On the one hand, I am already very satisfied with a large part. On the other hand, to fix the drawbacks, one would have to change a lot again. I am going in circles :(:confused: It is somehow like a closed system. One change requires many other changes :( In my opinion, it is also not a simple plot... Many thanks in advance for the advice. We will think about it again

I would feel uneasy if the bathroom window faces the entrance

Maybe an additional info on this: We only have 6 meters of street. We share a turning point with our neighbor on the left side. It is a small cul-de-sac that only leads to these two properties. Therefore, we have no through traffic. With a frosted glass pane or a pleated blind, we would manage well if it stays that way.