Floor plan single-family house 147m2 - opinions, criticism, suggestions for improvement?

If the wall in the kitchen can be omitted, that would of course be cooler. Then I would place the island a bit more centrally in front of the kitchen units in your place. Let's see what that costs more. :oops: Otherwise, I find the solutions on the upper floor very well implemented - nice when someone thinks along. Question: What are the dimensions of the shower? Why a floor-to-ceiling window in the bathroom? That is original, but rather for people looking in from outside. :D

Regarding design 2: There is generally no distance regulation for the light well. It is not a building that triggers such a regulation. In Lower Saxony, however, there is a peculiarity: walls must generally not be closer than 0.5 x wall height to the neighboring property. Excavations count towards this (where do you live?!;)). That means, with an eave height of (around) 4.5m, you should excavate a maximum of 1.5m deep to not exceed the (0.5 x 6m =) 3m distance. For a light well, the 1.5m is sufficient - the height of the window sill would then be about 1.14m. Still very good for a basement window. I had planned a gable dormer on the north side in the bedroom so the wardrobes would have space. The acoustic separation of the bedroom from the children's rooms is here, besides the space gain on the ground floor, also a significant advantage. In the south above the light well, however, a gable dormer would not be possible. Maybe a small dormer could be added in the bathroom at the sinks - that would be sensible. You should google pictures of what such a light well looks like in a garden. It remains more or less a hole in the ground - you have to know that, and drainage should also be planned. But the gain in space on the ground floor naturally has its value.

What I also wanted to say is that I would take a close look at the staircase. A landing is marked. But the rise is greater than 19 and the tread is tiny. That wouldn't be for me. I'd rather accept the winding steps than go mountain climbing on tiptoes every day. The direction of travel also needs to be well thought out. All the children and their friends will then always run through the open space. The basement, on the other hand, is rather a quiet companion.

If you can do without the wall in the kitchen, that would of course be cooler.

I find the wall very important for zoning and privacy. (Especially considering the idea of rotating the stair landing.) Privacy also between sofa/stove. It protects for storage on the island and could provide wall mounts.
And the asymmetrical arrangement also makes the kitchen quite interesting. However, I would still do something with the free space... even if it’s just an extension of the island... or docking the island to the outer wall?

The walking direction also needs to be well considered.

Access to the basement is practically irrelevant from which side. Kids can eventually “disturb” if they come home at night. I would also change the landing.
Sliding door at the stairs? That was also discussed here the day before yesterday... I think it will not be used.
I only know very expensive sliding doors that are somewhat easier to _slide_ or the cheaper ones that you immediately curse. If I were to plan something there, it would be a normal hinged door that can be used simply and quickly. Sliding is definitely not one of the easy handling methods ;)

I only know very expensive sliding doors that are a bit easier to _slide_ or the cheaper ones that you curse right away. If anything, I would plan a normal hinged door that can be used easily and quickly. Sliding is not one of the easy operations ;)

Oh really? We also have a (not very expensive) sliding door between the living room and kitchen. It is usually open, but when my darling reaches for the pan, I like to close it. That's how I imagine it here too. Normally it is open, but if the real shocker is on the screen that the kids shouldn't wake up to, you close it. The question is, how often do you have to go to the basement in such a small house and how annoying would the door in front of the basement stairs be? Probably more often than in a house with a separate utility room on the ground floor.

Normally it is open, but when the real shocker is on screen, the one the kids shouldn’t wake up from, you close it.

For your example with the TV, which is very obvious, this question doesn’t even arise if she almost always gets up, that is, in everyday life.

The question is, how often do you have to go to the basement in such a small house and how annoying would the door in front of the basement stairs be?

That depends on the OP playing through their habits :)

At least "kitchen" wouldn't work like that, the processes don't fit.
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I would definitely keep the wall at the island. There is nothing worse than having to look at the kitchen chaos from the couch every day.

This would work well.