Property and common areas

Which parts of an apartment building are private and which are common? How are costs distributed and what do shares or thousandths mean?
On this page, we clearly explain the most important concepts regarding ownership, common areas, and cost allocation.

1
Private unit
A private unit is the part of the building that is exclusively owned by one owner. Examples include an apartment, garage, or private cellar storage. The owner is responsible for the maintenance of their private unit.
2
Common areas
Common areas are the parts of the building shared by all co-owners. These include the entrance hall, elevator, stairwell, facade, or the roof. The costs for maintenance and repairs are distributed according to the agreed allocation key.
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3
Shares or thousandths (1000ths)
Shares, also referred to as thousandths, determine each owner's stake in the co-ownership. They are used for the allocation of costs and the calculation of voting rights. The shares are recorded in the deed of co-ownership.
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4
Allocation of charges
The allocation of charges determines how common costs are distributed among the owners. Shares are typically used for this purpose, unless the deed of co-ownership provides for a different allocation key. This ensures that every owner pays their fair share.
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