Single-family house with gable roof, without basement - Feedback desired

That all sounds like a special regulation to me.

Nope. It is the simplified summary of the regulations in the RLP State Building Code and Building Code. I kept both under my pillow for a while.

you’re having the wrong thoughts there.

That may well be. I myself studied civil engineering for a while. So I’m influenced.

That actually surprises me now.

I’ll attach a picture of the current situation here.

But to convert expansion reserve right away

There is "converting" and "converting". You can equip an attic with a shell ceiling and then just throw 20cm of loose rock wool on it. That is what most general contractors imagine by "converting". But you can also properly insulate the attic, simply panel it and equip it with heating / screed / electrical. So that when you renovate later, you only have to do the second paneling, flooring and painting work and doors. That is what I have in mind.

When you take the laundry out of the dryer, it is dry, isn’t it.

One of the reasons for a large laundry room is that I can also dry in it without a dryer. That way, I don’t throw €1 in coal power for every drying load but let dear nature do it for free. Since we do this about 1-2 times a day, we break even financially after about 10 years. Not to mention the wear and tear on the dryer and the laundry itself. Therefore, I want a laundry / drying room in the attic. If then the attic is converted due to, e.g., children / foster children, etc., the room moves to the smallest children's room on the upper floor.

not coal power, but let dear nature do it for free. Since we do this about 1-2 times a day, we are mathematically at break even after about 10 years. Not to mention the wear of the dryer and the laundry itself.

That’s probably what my grandmother would have said... and would have used her argument for bone-hard towels. It is obvious that you have dealt with 50 years of the past, but not with the time in which you will live in the house.

@ kbt09: The stair layout I favor on the exterior wall also works. As already mentioned, there is a ceiling height of 230 cm in the middle of the stair landing. My children probably won't be that tall.

No ... it doesn’t work if the attic does not have a knee wall.


Here a landing staircase on the exterior wall is shown where the attic has an 80 cm knee wall.
Or is the attic above the upper floor supposed to have a knee wall?

EDIT:
And this looks like there is no knee wall in the attic:

Before I disengage from this very interesting thread (interesting because there are complicated conditions), I have to say that improvements are only possible if the OP steps back a bit. Now, I don't see the purpose of the thread. I feel a bit sorry for the missus, who is the OP here, but is completely dominated by the man. Good luck to the OP

First about the garage topic my heretical remark that only rarely both cars are new cars required to be garaged

Therefore I plan at least all walls on the ground floor as load-bearing

I initially plan all walls only with their position and then assign a dimension - starting with the upper ones. It pays off to draw freely in the sketch phase.

I do the same with windows, first position and then dimension; and I put them exactly where I want light and/or a view. You can kindly wave to curious onlookers so that they stop doing that. In any case, I don't adjust my parapet heights accordingly.

No, sorry.

Really not? – can't you click to display a grid?

- I have planned 122m² for the ground area of the ground floor including the built-over garage. Added to this are 18m²/2 driveway, 6m²/2 path to the front door, 25m²/2 garage and the 12m²/4 of the terrace, which are obligatorily handled by the building authority. If necessary, we may still have to declare another terrace or sealed surfaces. For this, I still have a reserve of 5m².

Are you sure about these halved shares? Is it explicitly stated anywhere?
It would be really dumb if you misunderstood something there. I read it like this: the floor area ratio applies to the house and terrace. (The house includes 1 garage in your case - bad luck). But the paths are not calculated at 50% but I thought they are permissible as long as 50% of the floor area ratio is not exceeded - so a total of 222.5m². I have no idea about that either. Maybe someone can shed some light on this.
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I’m attaching a picture of the current situation here.

Um, is that coming?

There is "finishing" and "finishing". You can equip an attic with a shell ceiling and then just throw 20cm of loose rock wool on top. That is what most general contractors imagine under "finishing". But you can also properly insulate the attic, simply panel it and equip it with heating / screed / electrical installations. So that for the subsequent finishing you only have to do the second paneling, floor coverings and painting work and doors. That is what I have in mind.

Haha, yes. I already thought so. We will talk about that again when you plan your financing.
I’m pretty sure that you could initially leave out the staircase to the attic etc. and still consider it as finishing reserve. Then the opening would simply be closed off with drywall until then. But I admit, I have no experience there.
Unfortunately, I think it won’t be enough for the attic. Why don’t you put a question in the financing thread? People will calculate it for you and have really good experience with it.