Newly built single-family house with 2 full floors and a double garage, 150 sqm

But I wouldn’t separate that as a separate room. It’s annoying to squeeze into a 2x2 room that also has cupboards. I would completely remove the wall, maybe move the door to the garage a bit downwards, and then put a nice big wardrobe on the wall to the garage.

As you describe it, we have it today and we don’t like it. It always looks untidy at the entrance. For this reason, we want a completely separated room to accommodate the wardrobe. We will not install cupboards but once again use the Regalraum system here.

I would still plan a window there, better than such a darkroom.

It always looks messy in the entrance. For this reason, we want a completely separated room,

A battlefield behind a door remains a battlefield. Although the Zalando messenger might admire your stylish clean entrance, for all those authorized to open the door, the battlefield behind remains the same. Instead of a door, I would rather introduce a tidiness-oriented allowance system. Shelves alone create zero order; it has to come from the users.

As promised, a short update. Construction started in November. The basement was finished by Christmas. Since winter has not occurred so far, work could continue immediately.

oh a bare foundation slab for

By the way, I would be interested to know where you ended up cost-wise in the end.
I can't imagine that the whole thing is feasible for under 45x.xxx without ancillary building costs/outdoor facilities/etc.

I can't imagine that the whole thing can be realized for under 45x.xxx without ancillary building costs/outdoor facilities/etc.

The house with garage according to the construction service description without ancillary building costs and before the sample selection was about 400.