Co-ownership comprising superimposed lots (such as, a residential tower) whose the cadastral plan is in volume. Thus, in this co-ownership type the private and common portions are situated one above the others and equally one beside the others. It is the most often used type of co-ownership.
The vendor has the obligation to reveal the exact superficial area of its private portion. The superficial area/price ratio is an important criteria for many buyers. It has a major influence on their decision to purchase
Off plan sale
The calculation of the superficial area of an apartment may lead to a conflict if, in an off plan sale, the gross area shown on the architectural plan is the information used for the transaction. Thus, you should insist that the developer supplies a detailed plan of the apartment to be built, along with the method used to determine the superficial areas.