In addition to the KfW Monument protection subsidy, the state relieves owners of historical monuments through the Monument AfA. AfA stands for deduction for wear and tearand refers to a special form of depreciation. If a listed property is renovated, the construction costs can be deducted from taxes as depreciation makler historische immobilien.

Unlike new buildings or houses that are not listed, the depreciation rates for the renovation of historical buildings are particularly high. Properties built before 1925 can be depreciated at 2.5% annually for 40 years. Newer old buildings are depreciated at 2% on a straight-line basis for 50 years.