What are the real estate diagnostics to provide in case of sale?

Verified 01 April 2023 - Legal and Administrative Information Directorate (Prime Minister)

The rules differ depending on whether you buy a detached house or an apartment.

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Detached house

The seller must provide you with the following diagnostics:

The seller must also give you the housing information booklet (CIL).

Finally, he must tell you if there is a risk of the mushroom in the construction of the house. This risk of merule concerns the geographical areas identified by a decree. The decree can be consulted in the prefecture or on its website.

Who shall I contact
Who shall I contact

These diagnostics and information must be grouped together in a folder called the Technical Diagnostic Record (DDT). The Housing Information Booklet (CIL) is not required to be included in this file.

The seller must attach this file to the promise to sell or the deed of sale.

Flat

The seller must provide you with the following diagnostics and documentation:

The promise to sell or the bill of sale must contain the following information:

  • Private area of the co-ownership lot (Loi Carrez)
  • Presence of a risk of medulla (fungus) in the construction of the dwelling. This risk of merule concerns the geographical areas identified by a decree. The decree can be consulted in the prefecture or on its website
Who shall I contact
Who shall I contact

These diagnostics and information must be grouped together in a folder called the Technical Diagnostic Record (DDT). The Housing Information Booklet (CIL) is not required to be included in this file.

The seller must attach this file to the promise to sell or the deed of sale.

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