Regarding windows... floor-to-ceiling windows 100 cm wide provide light only over 100 cm width with some scattering. When rotated 90°, so rather about 210 cm wide and usually about 120 cm high window area, they also provide light over 210 cm width with some scattering.
that more light is almost always better and our experience with floor-to-ceiling windows regarding light yield is more positive than ypg presents it.
Of course more light is better. However, I did not express an opinion on this, but attempted to illustrate the problem of light (which moves rather laterally, i.e., from left to right, from east to west) based on physical laws, which unfortunately has to pass through a vertically oriented slit here in order to then illuminate the width. A room is usually limited vertically by floor and ceiling to about ± 250 cm. There is usually more width to illuminate, but this is not achieved by a one-meter-wide slit.
It is simply a misconception by laypeople that you get more light yield from windows without sills.
If you don't believe it, you can replicate it yourself with a box, scissors, and a flashlight.
We just worry that otherwise we will have too little light.
Well... who are you telling that to? Because that also applies to bathroom windows. You just have to want to understand it!
I find any kind of turned staircase an absolute tripping hazard, especially with a child or other unwieldy things in arms. Maybe I'm just clumsy, but a staircase with a turn would be an absolute last resort for me.
Floor-to-ceiling windows are just mainstream—just like straight staircases. If you don't like turns, that's one thing, then you simply omit them and install a straight staircase in the house. It at least falls for a longer stretch and across the entire floor. Especially as a clumsy person, worth considering.
Currently we actually find this surplus of space very pleasant.
The entire furnishing is "decor" of the architect,
If you arrange the furniture sideways, the free space also makes sense again.
I would nevertheless recommend omitting the window on the south side to better furnish the terrace and instead make a floor-to-ceiling window instead of the fixed window on the west side.
Possibly it is an option for you to install a terrace door in the kitchen.
The architect's preliminary design is there so you can insert your desired furniture into the planning yourself.
Only a neighbor looks in from the west, we don't really care. As long as the views are not completely scrambled, that is enough for us, but in the west even that would be irrelevant to us.
Well, deliberately placed scrambled windows can appear more harmonious than vertically arranged stripes that make the house look tilted.
If you wanted to, you could place the storage window on the upper floor on the north side. Then you have the possibility to nicely align the windows on the north and east. Dealing with the facade costs nothing—just like sightlines, it enhances the house for free.
District of Harburg, rather in the western part.
I once saw a similar graphic drawing (red double line) from residential construction. That was a building complex in NeuWu district.
HaseUndIgel live in Buxtehude right next door.