A leaking roof, defective risers or an unsafe façade are not merely technical defects in an Austrian apartment building. They may trigger a statutory maintenance duty, require access to rented units and change the financial model for an acquisition. A buyer who enters building costs as a single contingency in a spreadsheet may miss the tenancy-law classification and its effect on price, funding and handover.
Reliable planning therefore begins with three separate questions. Which work is legally required? Which cost and interference can be substantiated technically? Who bears the economic risk until closing and afterwards? Only when the maintenance file, cost plan and sale agreement describe the same measures in the same way can the property be valued or renovated without contradictory assumptions.