Construction costs of solid house 2025 in Bavaria

Well, at least I am a master craftsman and also a master of my trade. Furthermore, one of the last of my kind.
So you can be a little proud. And rare enough that I won’t reveal here which old craft it is. In any case, very old and there are hardly any masters of this craft left around here.

And I do have a bit of experience in crafts after all.

Oh, pissed off? Then be proud and put your money where your mouth is.

Apart from that, you still haven’t answered a single question. Are you perhaps one of those from the guild of chatterboxes and masters of nonsense?

Just briefly back to the topic.

We are currently building in comparable sizes in the Rhine-Main area. Current planning amounts to 750-800k, whereby NO garage or outdoor area is considered. Construction is being done with individual contracts but with as few different companies as possible, i.e., no developer or general contractor.
In addition to the "pure" construction costs, a not insignificant amount for expert reports, architectural services, and costs due to regulations from the city come on top. For example, network separation (existing building), unexploded ordnance investigation, road closure, etc., which have so far consumed about 70-80k.

But there is certainly still room for savings here, although own demands as well as the design of the new building can quickly lead to significant cost increases. As an example, I can mention floor-to-ceiling windows in front of a sunken courtyard. Due to the regulation on fall protection, safety glass must be installed here, and that costs.

Currently, we also come to about 3k/m² (including basement) excluding incidental costs. I don’t think we can get this any cheaper. Oh yes, WITHOUT own contribution.

Our construction project would be

[*]a solid house with a basement [*]we can do the earthworks ourselves [*]the plot is developed [*]there is no plan yet [*]equity is about €160,000

What do you think, what costs should one roughly expect for a house size of 9x12 meters, basement + ground floor + 1st floor in an almost finished state.

2 full floors yes, I also have the wood for the roof myself, I forgot to mention that, and the basement will only be finished as a utility basement

Nine by twelve as a substitute villa comes according to rule of thumb about 170 sqm living space / 520k, of which 160k would be about 30%. For the construction timber you mentioned, you will find several posts here with the search phrase "aufgehendes Gewerk". And for basements my formula, if you search for "11ant Kellerregel" (or externally: "With or without basement: a rule as a decision-making tool"). Where does the house size come from without a plan (and why do somehow all newbies not seem to read what the other newbies write in their initial posts – and which same frequently asked follow-up questions always arise from that)?