Floor plan design for a single-family house for 4 people on a 390 sqm plot

For aerated concrete, 36.5 cm should be sufficient - but of course, keep in mind the 11ant stone mantra ;-)

Thanks for the hint, as far as I know our planned main contractor only uses bricks. I have already asked if filled bricks are possible, but he only uses 36 and 42.5 filled bricks. Among other reasons because he cannot ensure that the shell won't absorb water during rain with filled bricks. Forcing aerated concrete probably wouldn't make sense either if he is familiar with bricks.

P.S.: flee from the square floor plan, it doesn't do a house of this size any good!

We would like that too, but the zoning plan forces us to have a tent roof and based on the plot size alone, we can't go deeper, otherwise there would be no garden left.

…and doors with the wrong hinge side and and and…

That's true, I should have added that it's purely about the room layout. Please ignore doors and windows for now, there may still be errors there.

I notice the poorly placed fireplace – it creates a fundamental stumbling block in the dressing room. Whether slightly drunk or half-asleep, you get stuck there. The entire route to the bathroom from the bedroom is hindered by it. I would place the chimney or fireplace on the exterior wall between the dining area and the sofa. I also question the centrally placed sofa; that’s what reading glasses are for ;)

You’re right. The problem is that with the seating window, it already gets tight with the sofa. You also have to be able to walk up to the window. Having the fireplace outside would be an option, but our builder said first, it looks awful, and second, the chimney sweep would have to climb a ladder outside to clean it. From the layout alone, an exterior fireplace would be easier to integrate.

Forcing aerated concrete probably won't make sense either if he knows about bricks

Merit badge - You obediently heed my stone mantra ;-)

Among other reasons because with filled ones he cannot ensure that the shell doesn't soak up water in the rain.

Does he mean that covering the walls every evening is too much hassle for him?

however, the development plan forces us to have a tent roof

You’re supposed to settle for a maximum 25° roof pitch. Let’s assume you push the recommended minimum pitch of some roof tiles with 21°. Then a house of equal size to 10.30 x 10.30 m could have sides of 9.35 x 11.35 m, that is, two meters of unequal side lengths — quite properly as a tent roof without a ridge. So this in no way forces a square format, which is always a handicap for a floor plan (at least under 150 sqm of floor space).

The problem is that with the window seat, the space around the sofa gets tight. You also have to be able to walk up to the window.

Do I understand correctly that you are aiming for a suboptimal sofa position or living room furnishing for a window seat instead of a sofa where several people from one household could comfortably sit to look into the garden (if it were planned properly)??? I would say that a reset with Pinterest and super wishes in mind should take place to then find the comfort that should at least be there, and not blindly plan a nice-to-have for which there actually is no space and which then senselessly takes up room next to the sofa pushed into the corner.

A fireplace outside would be an option, but our building contractor said it looks lousy first of all.

The same applies to the fireplace: I agree with the building contractor that with a pitched roof you don't use the exterior walls. Still, where it is now, it is a nuisance in every respect. That is folly. It is in the wrong place. This is a path that is walked several times a day, at night, etc. Either it is planned differently or it should be fundamentally questioned. My opinion. Especially since with this sofa position using it is not possible at all because the corner gets too hot, or will it be an ethanol/gas fireplace?