What can happen if you buy a new apartment off the plans and the area is less than what you paid for

Many apartments in Argentina and elsewhere are sold off the plans (en pozo), and usually, this goes smoothly. However, occasionally, there is a discrepancy between the m2 paid for and the number delivered. Sometimes there are more and sometimes less. However, this Buenos Aires buyer did not take this lying down. He sued and won for the missing metres. Paola U. bought a department in the neighbourhood of Belgrano in mid-2011. When it was delivered, the property had fewer square meters than what the construction…