This makes any further discussion unnecessary. On the one hand, you say there is still room for improvement, ignore the budget; on the other hand, you want to build efficiently and say that massive regional is cheaper, but you almost ignore the slope (which affects both efficiency and costs).
How is this supposed to work here? You just plan away cheerfully, and after two weeks, 25 posts and 15 pages, you have a draft, then you calculate and find out UPS 100k too much.
Honestly, I think you are getting lost here.
One should set the budget very early, compare it with its requirements for the room program, take the plot into account (keyword slope), and then roughly calculate whether you can make it.
Why unnecessary? And no, we are not burning ourselves.
Just because I have a budget X available does not mean that I want to fully use this budget.
I think we have described quite exactly what kind of house we need. There are several possibilities to implement this – and this implementation should be as cost-effective as possible.
If, based on our planning and ideas, we request offers and the house then costs 150,000 EUR more, we will decide for ourselves whether it is worth it or not.
Therefore, please consider only the plot and floor plan.
Just as an example, simply leaving out the basement and having a bit more square meters upstairs might be possible on an optimal plot and save some money, but with a slope the gradient must somehow be balanced without a basement. A slope of 1 m over 10 m of house already makes a difference.
Just like your idea to use the excavation to fill up. That might be possible under certain circumstances, but you also have neighbors and property boundaries. A few meters of natural stone wall to the boundary and the earthworks, we are talking about significantly five-figure amounts.
The general contractor who just comes up with a floor plan without considering the plot... I don’t know if that would be the man I trust.
For me, this is currently like shooting sparrows with cannonballs
If I knew everything, I would not ask my questions in a forum. My question is exactly about what makes sense and what does not.
Due to the slope, you could partially embed the basement, thus saving excavation and, for example, getting light into the hobby room. Maybe that makes more sense than enlarging the plot area and foregoing a basement in a sloping location.