Comprehensive technical diagnosis (GTD) of the co-ownership
Verified 12 April 2024 - Directorate for Legal and Administrative Information (Prime Minister)
Would you like to have information on the general technical situation of your building? The global technical diagnosis (GTD) informs the co-owners of the technical condition of the building and its common equipment. It includes a diagnosis of the building's energy performance and lists the work to be done. We are taking stock of the regulations.
The Global Technical Diagnosis (GTD) informs the co-owners about the overall technical condition of the building, the technical condition of the building and its common equipment. It lists the work to be done.
The content of DTG should be presented in 1re general meeting of the co-owners which follows the realization of this document or its revision.
DTG conclusions should be forwarded to the future purchaser of a condominium unit.
DTG is mandatory in some cases.
Répondez aux questions successives et les réponses s’afficheront automatiquement
General case
The general meeting of the co-owners may decide at the simple majority to have a DTG performed, but it is not obliged to do so.
Please note
if a DTG has been performed, the condominium pool shall be exempt from setting up a Multi-annual Work Plan (MWP) provided that this TDG shows that there is no need for work during the 10 years following its preparation.
Condominium of a building
DTG is mandatory for a building over 10 years old and which is the subject of a condominium. This is the case when a building is newly divided into several lots private and shared.
The implementation of the DTG should be entrusted to a professional with expertise and guarantees.
It can be a design office, an architect, a thermician.
The trader must meet the following conditions:
- Certify on the honor of his impartiality and independence with respect to the trustee and with respect to the energy suppliers and companies intervening in the building
- Prove that you have taken out professional indemnity insurance. The insurance must specify the competences covered.
The DTG shall contain the following information:
- Analysis of the apparent state of the common areas and the building's common facilities
- Technical condition of the building and common equipment in relation to the legal and regulatory obligations relating to construction
- Analysis of possible improvements to the building's technical and heritage management
- Building energy performance diagnosis
- A summary of the cost and a list of the work required to conserve the building, maintain the health and safety of the occupants, and achieve energy savings. This evaluation should include a description of the work to be carried out over the next 10 years.
The mayor or the prefect or the president of a public establishment of intercommunal cooperation may at any time ask the trustee to produce the DTG to check the state of good use and safety of the common areas presenting potential disorders.
If the DTG is not produced within one month of notification of the request, the mayor or the prefect or the president of a public establishment of intercommunal cooperation may have the DTG carried out automatically instead of and at the expense of the syndicate of co-owners.
Who can help me?
Find who can answer your questions in your region
Telephone administrative information - Allo Public Service
For more information on this topic, you can contact Allô Service Public.
Attention: the service does not have access to users' personal files and cannot therefore provide information on their status.
- Lundi : de 08h30 à 17h30
- Mardi : de 08h30 à 12h15
- Mercredi : de 08h30 à 12h15
- Jeudi : de 08h30 à 17h30
- Vendredi : de 13h00 à 16h15
- Service free
The informants who answer you belong to the ministry in charge of housing and city planning.
Service-Public.fr
Service-Public.fr
Service-Public.fr
Directorate of Legal and Administrative Information (Dila) - Prime Minister
National Institute of Consumer Affairs (INC)