Average construction costs in the Southwest have risen to €3800/m2.
Enter Baukosten 3800 in the search engine and read the article from Die Zeit.
This is madness. Together with continuously rising loan costs, a huge bubble is currently inflating.
The combined increase in construction costs and interest rates leads to massively higher annuities, which are removing potential builders from the demand market by the dozens.
The construction industry will very soon experience a severe crash, which will lead to a significant market correction.