# Definition : Private portion - Dimension

Calculation of the superficial area or the volume (length, width, height ,depth) of a private portion. This element is taken into account in the determination of the relative value of each fraction.

## Related articles

Any co-owner may have the relative value of their fraction, as well as the allocation of common expenses, revised according to certain conditions and formalities. To do so, it is necessary to proceed with an appeal to revise the relative value of the fractions. Furthermore, a co-owner may wish to modify the relative value of their fraction. Therefore, they will have to request the prior consent of the Board of directors or the general meeting of co-owners, depending on what is required. This revision or modification of the relative value has an impact on the proportionate share of the right of ownership (which the co-owners hold in the common portions), the number of votes they can cast at the meeting of co-owners and the allocation of common expenses. On this question, Article 1064 of the Civil Code of Québec stipulates that: “Each co-owner contributes to the common expenses in proportion to the relative value of his fraction.”
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Divided co-ownership is a housing formula that usually has more than one owner.  In order to assess and quantify the interest of each person in the building, the legislator has provided that the right of ownership of each owner in the common portions is proportional to the relative value of his fraction.  To determine the relative  value of a unit, it must be compared with the value of all the other units of the co-ownership.  The relative value is calculated and usually expressed as a percentage or thousandths.  Its distribution is recorded in the declaration of co-ownership, (the  constituting act of the co-ownership). Finally, it should be noted that the relative value determines the voting power in the meeting of co-owners and serves in particular as a basis for calculation in the distribution of the co-owners of the common expenses.
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Parking spaces qualified as private portions are commonplace in divided co-ownership. This special legal status is attributed to them by the declaration of co-ownership, which designates them as fractions in the section devoted to the description of the fractions. Like an apartment held in co-ownership, all these spaces have a unique lot number, along with a relative value, and a share. Their owners may, at a general meeting of co-owners, prevail themselves of the votes attached thereto. These votes are added, as the case may be, to those they have for their apartment
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An obligation exists for the seller, namely that of announcing the exact size of the unit he is selling. Most buyers attach great importance to the area/price ratio of an apartment, as this is a data that will greatly influence the price offered or their decision to buy or not. Therefore, before signing the deed of sale, take the time to carefully check the area of the unit.  Discrepancies between what is shown on the plan provided at the signing of the preliminary contract, versus the actual area shown on the cadastral plan or the certificate of location are not isolated cases. However, this problem of surface areas is a source of frequent conflicts in co-ownership. And it's not exclusive to off-plan sales. It can also occur during a resale.
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