Plot with soil class Z2, is purchasing advisable?

70 plots of land and then such a soil? Something must be wrong here. A probably small town hopes for a substantial increase in population here and not a wave of lawsuits until doomsday due to diseases or similar at some point. Maybe you should get something official and talk to someone who can really make use of the analysis. Such a large new development area is not built on a contaminated site. There's also an investor behind it. You don't have to replace everything, just the excavation for the house foundation and then raise it normally afterwards to reach the house height. It probably costs around €10,000 in total, but sounds quite different nonetheless.

: You wouldn’t believe where today (and also in the past) building land is designated everywhere. Since I deal with this peripherally in my job, I am always amazed. The Federal Soil Protection Act/Soil Protection Ordinance/EU guidelines have not been around for that long, and the recording and investigation of contaminated sites in the contaminated sites registers is also not yet completed in many municipalities. Nevertheless, many builders do not shy away from the risk of building on endangered sites and prefer to accept usage restrictions. Historically, after the war, bombed company sites were often demolished, filled with soil material, and then the urgently needed apartments were built on top.

: Is there a development plan or a project and development plan for the area? Are the plots being sold by the city or by an investor? In the course of the development plan procedure, the Lower Soil Protection Authority comments on the development plans. There are references to this in the text section.

Regards, Rina