var_qstn_ivulnstr
10, Completion year (period):
As the completion year (period), the point in time (period) at which the largest part of the building was usable should be marked. This is also the same for additions or buildings finished in stages.
Purpose of the question:
The completion period characterizes a building and is - in connection with other questions (building use, owners, housing unit equipment, heating) - a basic element of all studies on urban renewal in old city centers or historic preservation.