Ground floor approx. 100 sqm, upper floor expandable (planned bathroom, 2 children's rooms, 1 storage room)

A small wardrobe could be set up under the spiral staircase, right near the front door.

So I was briefly on the construction site now. I can't say anything about the windows because there was too much material, and I couldn't simultaneously move the material aside, hold a flashlight, and measure. I'll make up for it tomorrow in daylight. The same applies to the distance between the staircase and the gables.

I have to correct my statement about the knee wall; 0.75 m is not enough after all - it was 1.00 m, which I know by heart.

The ceiling height is currently 2.60 m and will later be between 2.40 m and 2.60 m.

The distance between the staircase and the 1 m knee wall on the west side is about 3.75 m - on the east side about 3.55 m.

the suggestion looks good too; I'll have to redraw it in large tomorrow. It looks a bit wild on the phone anyway. The windows are mirror images on both sides - north-south are identical.

the proposal also looks good, I have to redraw it large tomorrow. It looks a bit wild on the phone anyway. The windows are definitely mirror images on both sides - north-south are identical

Yes, the sketch is wild. Wild like my thoughts
Unfortunately, I had neither a puzzle fiddling session nor time to start over. But it explains itself

So, was measuring today. This is how the staircase is located on the upper floor (dimensions of the distance to the future walls top right). I assumed 20 cm wall thickness for the drywall partitions and 1 m knee wall.



Here is an attempt to draw ypg's floor plan. Is this consistent and feasible for you, or have I made any conceptual errors?



I am dissatisfied with the master bed. Somehow it becomes very tight this way. A possible solution is to swap it with a children's room, but actually the children's rooms should be larger than the bedroom since they are used much more.

Edit: the staircase must overcome a height of almost 3.00 - 3.05 m

Or rather, we omit the bedroom and make a storage room instead

Leave the bedroom on the ground floor, use the small office as a dressing room, and upstairs a small storage room or mini office