It's gonna be really bad, if the damage is underground

has even more worries, who would need to properly dig for the roots of damage: For many offenses lie hidden deep within the earth. If the subsoil has not been examined in detail for its load-bearing capacity and if it contains deposits from a former moor area, there may be settlements, in extreme cases to ground failure, whereby the ground bulges out under the weight of the house and the building sinks into the ground.

Only one settlement is known in Europe, which has had a beneficial effect on the building and its surroundings: Crowds of tourists visit the Leaning Tower of Pisa – as long as he's standing.
Applies to home builders:

• Die Gewährleistungsfrist für den Rohbau beträgt je nach Rechtsgrundlage mindestens zwei, often five years.

• Bei Kauf einer gebrauchten Immobilie beträgt die Gewährleistungsfrist fünf Jahre.

• Die Gewährleistungsfrist für Handwerkerleistungen beträgt zwei Jahre.

• Die Rechnungen nicht sofort in voller Höhe bezahlen! the three- up to five times the amount of any repair costs may be withheld.

A lot of shortcomings have to do with it, that standards and building regulations must be observed, who require new materials and constructions. However, these have not yet been able to prove themselves in many cases.

Example of the Heat Insulation Ordinance: Until the question is resolved, which insulation materials actually since 1.1.1995 meet applicable standards, years might pass.

The construction expert Helmut Haarich complained, that traditional building constructions are falling behind more and more, to make way for modern technology. This, in turn, is “integrated into such a thicket of paragraphs, daß jede Abweichung von der Norm zur Straftat wird.“ Er zieht den bitteren Schluß: “Anyone who builds today as before 50 Years, will get a solid house, but not the blessing of the building authorities.”