Build a house from natural stone yourself?

Hello dear hausbau-forum community,

I am new here and have a few questions about the topic of house construction/planning.
I should also mention that this topic is completely new to me, but slowly I am starting to get involved with it.
I am 27 years old and come from Lower Saxony.

And here is my question/questions

Is it possible to purchase a developed building plot, which can already be found relatively cheaply, and build your house yourself from natural stone there?
I am thinking of the construction style often found in Italy. I have attached an example photo for you.
I have a good friend who owns very large forest areas, and there are endless sandstone boulders there that I could use for this. (yes, I am aware that I would have to gather several tons for this, but people managed somehow in the past)
I would pour the foundation from concrete, and build the intermediate floor from wood or concrete.
To comply with structural requirements, I would hire an architect, and for the electrical, heating/water work, I would also hire specialists.
I have roofers/carpenters and masons at hand.

I hope to be able to build as much as possible myself and have a huge cost saving.
The building process would surely take years, just to gather the stones, but I have that time.
I find this construction method very beautiful and sustainable.

Do you consider this plan absolutely crazy or not feasible at all?
Or do you think it would be possible to think about this project in more detail?

Thank you all in advance

Yuri

I see the structural engineering as the smaller problem, but rather the energy saving ordinance.

And no bank will finance it. You will have to pay for the house with equity. It might end up being more expensive than traditional construction with a facade cladding.

but it somehow worked before

In the past, people also had completely different expectations of such a construction......
I myself have already had quite a bit done with sandstone and have also done some myself, organized all the stones myself, etc. To build an entire house with it and to find the stones..... congratulations.
You would need hewn stones for that, properly dimensioned, etc..... in short, that’s a nice dream but just a dream. These stones are now expensive, even if they come from a demolition.
I know people who did something like that in 1980, rebuilt an old castle complex..... oh dear.
Where are you going to get so many stones, who wants to hew them, moisture, KNOWLEDGEABLE craftsmen, etc.
By the way, as already described, you will not get approval for that in 2020.
There are still many old buildings in Germany that want to be revived but for that you need massive expertise from the start, the right people who can do exactly THAT.

I am aware that I would have to gather several tons for that,

You should calculate once how many tons you would actually need........ "several" tons seems a bit naive to me. Hewing boulders one by one.... by hand..... every single stone..... no way!
In addition, sandstone, depending on the origin, is extremely brittle.

I hope to be able to build as much as possible myself and to have an enormous cost saving. The construction process would certainly take years, just to gather the stones, but I have that time.

From all that time you can first subtract three and a half years for an apprenticeship as a stonemason, and for cost savings you better invest your time elsewhere: namely in everything that comes after the shell construction (and possibly already in drywall when building the non-load-bearing interior walls). If the cost saving is supposed to be "enormous" right away, then you additionally have to cut costs sharply on the equipment.

to purchase developed building land, which is already available relatively cheaply,

That sounds like pie in the sky – what are you smoking?

Yes, this is all nonsensical. If you want to do a lot yourself, then detach yourself from stone and concrete. WOOD is your material. Have the basic equipment set up, you can easily do everything else yourself. Then you won't have a structural engineering problem either.

Bauland will be the biggest problem.