Energy diagnosis
Any property built if it has a heating system.
Period of validity : 10 years except in the case of works that may impact on the energy performance of the property.
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ASBESTOS DIAGNOSIS
Property for which the building permit was issued before 1 July 1997.
Period of validity : Unlimited in case of absence.
LEAD DIAGNOSTICS
Property for which the building permit was issued before 1 January 1949.
Period of validity : 6 years if the concentration is above the tolerated threshold, otherwise unlimited.
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![Gas diagnosis](https://aod-diagnostics.com/wp-content/uploads/2021/04/GAZ-IMAGE-1024x683.jpeg)
GAS DIAGNOSTICS
Concerns fixed gas installations that are more than 15 years old.
Period of validity : 6 years.
ELECTRICITY DIAGNOSIS
Concerns electrical installations older than 15 years.
Period of validity : 6 years.
![Electrical diagnosis](https://aod-diagnostics.com/wp-content/uploads/2021/04/ELECTRICITE-IMAGE.jpeg)
![Diagnosis loi boutin](https://aod-diagnostics.com/wp-content/uploads/2021/04/LOI-BOUTIN-IMAGE.jpeg)
BOUTIN LAW MEASUREMENT
Concerns empty rentals and properties used as a main residence.
Period of validity : Unlimited unless work is carried out.
ERP: RISK AND POLLUTION ASSESSMENT
Concerns properties in an area at risk, defined by decree.
Period of validity : 6 months
![ERP flood diagnosis](https://aod-diagnostics.com/wp-content/uploads/2021/07/Diagnostic-ERP-1024x576.jpeg)