What does it mean for a wall to be a party wall?
A party wall is jointly owned by the two neighbours it separates: each owns one half. Article 653 of the French Civil Code presumes that any wall separating buildings, yards, or gardens is a party wall, absent a title or a contrary sign. Article 654 lists the physical clues that rebut this presumption.
The presumption of party-wall status (Article 653)
A party wall is a wall owned undivided by the owners of the two plots it separates. It is a form of forced co-ownership: each neighbour holds half of the wall across its thickness and may use it, provided this does not compromise the wall's strength or the other owner's rights.
Article 653 of the French Civil Code sets out a presumption: any wall serving as a separation between buildings up to the height of the lower building (the héberge), or between yards and gardens, and even between enclosures in open country, is presumed to be a party wall where there is neither title nor contrary sign. Anyone contesting party-wall status must therefore prove it.
The signs of non-party status (Article 654)
The presumption gives way to a title (a deed of ownership or an agreement) or to a physical sign of non-party status. Article 654 describes these clues: where the top of the wall is straight and vertical on one face only and slopes on the other, or where the coping, the string courses, and the stone corbels are found on one side only.
In such cases, the wall is deemed to belong exclusively to the owner on whose side the water runs off or where the corbels and stone string courses are located. Article 654 confines the rule on the coping, the string courses, and the corbels to those put in place when the wall was built.
Rights and duties of the co-owner
A party wall lends itself to shared use: each neighbour may build against it and rest structures on it in accordance with Articles 657 to 662, or train espalier plants on their own side, with no distance requirement but without exceeding the top of the wall (Article 671). In return, each contributes to its upkeep and reconstruction in proportion to their right (Article 655).
- Shared use: each owner may rest structures against the wall, subject to conditions (Articles 657 and 662).
- Shared upkeep: repair and reconstruction fall on the co-owners in proportion to their right (Article 655).
- Right to abandon: a co-owner may give up party-wall rights to avoid the costs, except for a wall supporting a building of their own (Article 656).
Frequently asked questions
How do you prove that a wall is a party wall?
Party-wall status is presumed by Article 653 as soon as the wall separates two built or enclosed plots. The neighbour who disputes it must produce a title, rely on prescription, or show a sign of non-party status under Article 654, such as a coping present on one side only.
Is a party wall owned in equal shares?
Yes, in principle. Each neighbour owns half of the wall across its thickness and bears half of the maintenance costs, unless an agreement or a title sets a different split.
Can you cut into or embed a structure in a party wall?
Not freely. Article 662 forbids making a recess or resting a structure within the body of the wall without the neighbour's consent; failing agreement, an expert sets the conditions so that the work does not harm the other owner's rights.
Read next
- Code civil, article 653 (Légifrance)
- Code civil, article 654 (Légifrance)
- Code civil, article 655 (Légifrance)
- Code civil, article 662 (Légifrance)
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