If a house is sold with a covered terrace and rainwater penetrates through the terrace roof, this constitutes a material defect. This was decided by the Federal Court of Justice (BGH) (AZ: V ZR 43/23). The BGH is of the opinion that this is not just a symptom, but that the leakage of the patio roof itself constitutes the defect. The seller acts fraudulently if he does not inform the buyer about the...