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Automated valuation methods rely predominantly on statistical mass data and can replace neither a property inspection nor our individual professional assessment as an experienced valuer.
Courts, tax authorities, and banks continue to require a personally prepared, signed appraisal report from a qualified valuer for legally sound purposes.
Online tools may at best be useful for an initial, non-binding orientation, for example to develop a rough price expectation in advance of a sales negotiation.
A key difference lies in the individual property inspection: automated tools mostly assess based on statistical comparison data without capturing the actual on-site condition of the building.
Particularly in the case of special features such as a backlog of renovation work, an unusual floor plan layout, or legal encumbrances, automated methods frequently lead to noticeable misjudgments compared to a personal inspection.