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

Verified 01 June 2020 - Directorate for Legal and Administrative Information (Prime Minister)

Housing information book

Published on 15 October 2020

Article 12 of the bill ratifying the order of 29 January 2020 replaces the digital information, monitoring and maintenance booklet of the dwelling, provided for by Elan law , through the Housing Information Book (CIL).

This booklet must be given to the purchaser in case of purchase of new or old housing.

This mechanism will enter into force on 1to January 2022.

The information contained on this page remains current and will be modified on this date.

The diagnosis to be given to the purchaser depends on whether the sale is a detached house or a condominium.

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Individual house

The seller must provide the buyer with all of the following diagnostics:

The seller must also inform the buyer of the presence of a merule (fungus) risk in the construction when the house is located in a risk area that has been the subject of an order. The decree can be consulted in the prefecture of the department or on its website.

Who shall I contact

In Paris:

Who shall I contact

These diagnoses and information must be grouped together in a technical diagnostic file (DDT) which must be annexed to the promise of sale or, failing that, to the deed of sale.

Please note

diagnostics should be performed upstream, preferably before the advertisements are published.

Condominium housing

The seller must provide the buyer with all of the following diagnostics and documents:

The promise of sale or purchase, as well as the contract of sale, must mention:

  • the private surface of the condominium lot (Carrez Law),
  • and the presence of a merule (fungus) risk in the construction when the dwelling is located in an area at risk that has been the subject of an order. The decree can be consulted in the prefecture of the department or on its website.
Who shall I contact

In Paris:

Who shall I contact

These diagnoses and information must be grouped together in a technical diagnostic file (DDT) which must be annexed to the promise of sale or, failing that, to the deed of sale.

Please note

diagnostics should be performed upstream, preferably before the advertisements are published.