Single-family house with a hip roof, approximately 340 sqm

Is there no floor plan with a north arrow?

Maybe not at Polish prices ;-)

Glad the style is well received. We are planning fishtail tiles and roofed dormers.

It will definitely look good.

Construction will take place in Poland

Why did I think so? ;) But even there I see €200,000 as quite sporty.

The parents’ bedroom is intended downstairs for the long term.

Therefore, we will initially use the bedroom upstairs.

Why is there no space for a double bed, can you enlighten me?

Yep:
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Once here on the ground floor: standard double bed size, the bed has to be placed partly under the window, the passage with a closet is too narrow.

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Here you can turn and twist the bed as you like: the sloping roof always gets in the way (the 2-meter line should be roughly between the beam and the dormer corner).

We have planned large walk-in closets for the children’s rooms and our bedroom, so we wanted to save a separate dressing room.

Haha... dressing room... where?

Can you elaborate on the toilet? Why is it a no-go past the stairs?

Because you want privacy when you have to pee at night going from the bedroom to the bathroom. And a staircase is the main traffic area in a single-family house.
I would simply swap the staircase and the WC...

I’m still looking for the plan. The upper floor only consists of children’s rooms lined up one after another, and then at the top right and top left the necessary rooms labeled as bathroom and bedroom. The open area then just becomes a reading corner because symmetry must be maintained. The bathrooms are above the living room and not on top of each other. Hidden staircase, but large foyer... I have already said something about the rest.
Did you get the architect somewhere? Snagged a bargain?
Sorry, just had to say it!

because she can't stand cooking smells.

Then she should either avoid the kitchen or you should only do a kitchenette and use a delivery service ;)

Well ... what do you want from us now? You can’t just move a bathroom around like that.

Food smells tend to travel from the kitchen to the dining table ... therefore, having the kitchen/dining area together and separating the living/sofa/TV area from it would be much better to concentrate the odors in one room ;).

Is there no floor plan with a north arrow?

Now new: With compass rose ;)

Yvonne has shown very well how it is with the bedrooms ... you can just see that.

The child on the left side of the plan and the middle child have a dark room, especially in winter ... no ray of sunshine. And the middle child has a window for a room of almost 27 sqm that is not even 2 sqm in size.

I simply say, the floor plan is unbalanced and maybe one should start over from scratch.

The north arrow is one thing, the property is large, we do not know what it looks like, what the surroundings look like, what else is to be done on the property. All of this is absolutely necessary knowledge for the floor plan design.

I simply say, the floor plan is irregular

Great, now I want a round house.

Construction is taking place in Poland with a budget of approximately 200K Euro.

Do you really think that will work? I know the market in Poland quite well. Prices there have also exploded. For about 500,000 PLN (Polish currency) you can get a small house to renovate. Sure...you would have double that...but for that scale? Where exactly are you building? You don't get 6000m2 everywhere either.