Feedback on the floor plan design 150 sqm

In the site plan, I can almost see nothing of the access road.

the living room-kitchen area is taken 1:1 from a show home in which we really liked the spatial feeling.

Much more than the cow Elsa, it seems to me that nothing has been salvaged from this show home.

The master bathroom was also taken quite exactly from a show home.

But from a different one, I assume.

Mix of house building catalogs, show home visits, and ideas from construction companies

Shaken, not stirred.

They actually took all our ideas without criticism, partly gave one or two small tips, and presented us with initial cost estimates. [...] We would like to hear your opinions on the floor plan before we hand over the fine-tuned floor plan to the construction companies for concrete quote calculations.

Not chasing away the customer as long as his concoction is legally buildable and first scribbling a rough price estimate is a common procedure, and should definitely not be confused with a pat on the back for planning skills. I would already put the yes-men on the kill list here. The adage that the first house is built for an enemy is not meant as an instruction for action ;-)
Do the drawings tell the truth about the flatness of the terrain?

And then I come around the corner with "Living > 4 m".

A lot still doesn't add up. I agree with the previous speakers. Eating doesn't work and there is wasted space in front of the stairs. Why are there two square meter specifications? With/without stairs? Where are the 52 sqm?

Upper floor: delete storage room so that the entrance airlock to the children's rooms is eliminated.

Swap the bathtub with the sink and move it into the corner.

I would rather throw out the children's bathroom, because storage space is desperately needed without a basement. Children's bathrooms are a "nice to have" if you have a lot of space. Three showers for currently three, later four people is not sensible with 150 sqm without a basement.

80 cm wide shower and then another 80 cm for the Klonische is a makeshift solution, calling it compact is a flattering euphemism.

About the orientation, whether this way or that way, I wouldn’t worry about it. Those few angles don’t matter. But I mean: wrong house on the right plot! Apart from the few and/or too small windows, almost all rooms have the wrong orientation when it comes to sunlight/daylight, comfort, and energetically capturing the sun’s rays in the living areas. Instead, utility rooms like the bathroom and freezer/laundry room are in the prime southwest location, children’s rooms are in the dark north, and the parents’ section sweats at night in the south. Instead of Tetris, they played hide and seek here. About the design in general:

conservative or modern construction: rather modern

it is rather aligned with the conservative league, which doesn’t necessarily have to be bad.

We have a fairly concrete idea of what the house should look like

Then opinions or criticism don’t really help, do they?

Since the companies all took our ideas relatively quietly and without fuss, we assume for now that we are on the right track

Of course. What are they supposed to check if you haven’t signed a contract yet? An architect’s hour costs money, and invested time is money. They look at how many square meters, how many cubic meters, what kind of roof construction, whether many window areas make the house expensive or many supports have to be added. Then they calculate their flat rate times square meters and that’s that. My opinion or observations: In the hallway, the wardrobe and possibly a chest of drawers or sideboard will face each other and thus narrow the corridor. The same applies to the shower bathroom: you basically have to press your private parts into the back of your knee when using the sink or you can use the sink to lean your head against when using the toilet. Hehe... The bay window for the kitchen looks randomly placed from the outside; inside it shows that it became too tight for a kitchen and the bay had to be added to create space in the kitchen. Still, a) kitchen, b) dining area, and c) living area are quite tightly and “small” furnished. The stairs

stairs made of concrete

made of concrete may be useful in the hallway, but they don’t contribute to coziness, nor does the storage space underneath. Rather, it looks somewhat lost there because the area in the middle is quite free and not really usable for any of the three areas. Since you plan for 2 children, there is absolutely no privacy when the family has grown older, in the evenings or when there are visitors or when the teenager comes home with friends in the evening and first scares the parents on the sofa. The storage room upstairs takes more than it gives. I find the children’s bathroom okay, the parents’ bathroom is too narrow at three meters to furnish as is. The dressing room with three doors is rather a hallway, and with one wardrobe of 2.50? and likewise some chests of drawers, it is not really a space miracle. In a standard apartment bedroom, you could fit more wardrobe meters.

Thanks already for your answers. I'll try to address as much as possible:

First of all:
I have understood that I can't expect constructive criticism from the construction companies. But that's why we're here ;)
And I have realized that there is quite a lot of wasted space in front of the staircase, while the hallway is too small.

Kitchen and dining area on 5.50 m is too tight and the kids' bathroom is also too small, if I read the dimensions correctly (1.70 width?). Or you will later have a tiny bathroom that no one can use comfortably when the kids are grown. Also, in the parents' bathroom the distance between sink and tub is rather narrow.

The dining area between the kitchen island and the wall is 2.90 m wide, is that really so little for a dining area?
On the other side of the kitchen island there is about 1.40 m “space”. That's not generous, but is that also so little? (we currently live in a micro kitchen, so maybe we lack a bit the sense of proportion / spatial feeling for what is "normal")

By the way, the questionnaire is not completely filled out. ;)

I have deliberately left the financial part out for now. My concern at the moment is the floor plan and the spatial arrangement.

And then I come around the corner with “Living > 4 m”.
...
Why are there 2 square meter specifications? With/without stairs? Where are the 52 sqm?
...
Swap tub and sink and push into the corner.

What you mean by “Living > 4 m” I unfortunately didn’t understand.
One will probably be the floor area, the other the living area. Floor area of this floor plan = approx. 160 sqm, living area = approx. 150 sqm.
The sink-tub swap idea sounds good, I will try that later.

Congratulations on the plot and the opportunities on it!
...

[*]The dressing room is more a closet room than a dressing room, because with the little space between the cabinets there is little room for dressing and undressing. Most builders do it this way nowadays and it's very trendy. In a few years you will recognize the construction year by this — just like today you can date houses with particularly narrow kitchens well. I think more along the lines of "all or nothing". For "all" the space is missing.
[*]...
[*]The kids’ bathroom is ultra compact — and will work. Consider using a bit more space from the hallway, it may be better located in the kids’ bathroom.
[*]The storage room between the kids' rooms is a good idea. There is no significant advantage to be able to enter this small room. A niche instead of a room, into which a previously selected cabinet with standard dimensions fits, saves costs and may also look better. The kids' rooms also gain some space.
[*]The "living area" will be very dark, unless it is midsummer, you will not be able to read on the couch even at noon without artificial light (maybe now still, but not at 50 anymore…). Consider a light strip above the TV wall. I will answer the window question below.

Don’t worry about the photovoltaic.
...

Thanks! The plot corresponds to our desired size and with the interesting outline you can certainly do exciting things.
I actually used the word "dressing room" synonymously with "walk-in closet". I think for a closet that’s okay, but for real "dressing" probably a bit narrow, we will think that over.
The kids’ bathroom was once a bit larger (at the expense of the hallway). But to realize the storage room upstairs, the bathroom had to lose some space. Instead, a niche for a cabinet is a good idea. This could probably allow the kids' bathroom to be enlarged again.
What is a light strip? Narrow high-placed windows?
Thanks for the feedback on the photovoltaic orientation.

Addition: (too) many rooms for the sqm.

That was already my quiet concern at the beginning (at that time).

In the site plan I can almost see nothing of the access road.
...
Do the drawings tell the truth about the flatness of the terrain?

I have attached the parceling plan of the entire building area, so you can see the new road as well.
The building area is newly developed and apparently both the area to be developed and all adjacent plots are flat. But I haven’t asked the property marketer specifically yet, I will probably do that.

I would rather remove the kids' bathroom, because without a basement storage space is desperately needed.
Kids' bathrooms are a “nice to have” if you have a lot of space. Three showers for currently three, later four people does not make sense at 150 sqm without basement.

The kids' bathroom is relatively high on our wish list. One bathroom for regular guests downstairs, one for us, and one for the kids. I had an own (even somewhat smaller) bathroom in my parents' house at some point and I also found it much more comfortable than using the larger "family bathroom".

... almost all rooms have the wrong orientation when it comes to sun/daylight, well-being and energetic capture of the sun's rays in living rooms.
Instead, the utility rooms like bathroom and technical/utility room are in the best southwest location, kids' rooms are in the dark north, and the parents' section sweats at night in the south.
...
So now opinions or criticism are useless, right?
....
The same applies to the shower bath: you practically have to press your crotch into the toilet when you use the sink or you can lean your head on the sink while using the toilet. Hehe...

The bay window for the kitchen looks arbitrarily placed from the outside, inside it shows that it got too tight for a kitchen and you have to add the bay window to have space in the kitchen.
Nevertheless a) kitchen, b) dining area and c) living room are quite tight and arranged "small".

The staircase

made of concrete may be useful in the hallway, but it does not serve homeliness and the storage room underneath either. Rather it looks a bit lost there, since the area in the middle is quite free and not really usable for any of the three areas.

Since you plan 2 kids, when the family is older, there is no privacy in the evenings or when guests come or when the teenager comes home with friends in the evening and frightens the parents on the sofa.

The storage room upstairs takes more than it gives.

I find the kids' bathroom okay now, the parents' bathroom is too narrow at three meters to furnish it like this.

Dressing room with three doors is more like a hallway and with a wardrobe of 2.50? and also dressers not really a space miracle. In a standard bedroom of an apartment you could store more wardrobe meters.

One of the reasons why I ask for help here: I unfortunately have no idea about room orientations in relation to cardinal directions.
But I think you overlooked the north arrow in the top right on the floor plans? The utility room is in the northeast and not southwest? I have attached the floor plans again with an updated north arrow according to positioning 1.
Yes, opinions and criticism do bring something, that's why I turned to the forum.
Regarding the distance between toilet and sink you are right, maybe you can shift the two a bit so that they are not directly opposite each other. Of course it will always just be a guest WC with an integrated shower. But since my family lives far away, we will regularly have overnight guests (and actually always in pairs). The guests will sleep downstairs and we want to have a shower option for them there too.
I would call the bay window a matter of taste, we don’t find it arbitrary but quite stylish. It may have a functional origin but it prevents the usual "town villa box look".
I think a closed concrete staircase with wooden steps can look cozy. I now know that further brainstorming is needed regarding the living-dining-kitchen room.
Regarding the teenagers coming home in the evening and having eye contact with us: we have already discussed and philosophized about that and came to the conclusion that this will only affect a few years of our lives at most and we cannot and do not want to adapt the floor plan to every life situation. (How do you justify the empty children's rooms when the kids have moved out?) That’s why this point is fine for us.

So at this point thanks again for all suggestions so far, we will deal intensively with the floor plan again.

I have deliberately left the financial part aside for now. My concern for now is the floor plan and the room layout.

Your decision, but if the providers you have contacted so far let you walk into an ambush with the floor plan, they might do the same with the finances or the equipment.