RIGHT. Thermal colanders: the energy diagnosis undermined its reliability

RIGHT.  Thermal colanders: the energy diagnosis undermined its reliability

An essential element when selling or renting a property, the Energy Performance Diagnostic (EPD) has recently had its reliability questioned. As a result, some owners risk having housing deemed indecent. Explanations.

This is a real sword of Damocles over the heads of the owners. The diagnosis of energy efficiency (DPE) classifies housing from A to G and makes the real estate market good.

Mandatory since 2007, but considered at the time as a mere formality without real impact, today it really conditions any real estate transaction and lease.

A kind of lottery

“A potential buyer or tenant has objective information about the quality of the housing offered to him, which allows him to avoid unpleasant surprises,” explains Yannick Anoush, president of the Fnaim real estate diagnostics chamber.

However, its reliability was often questioned, and some owners even got the impression of participating in a kind of lottery.

Recently, an association of 60 million consumers attached this famous DPE. Carrying out about twenty diagnoses, some of which are equally useful, the association has obtained more than surprising results.

A new calculation method

“For the same house, five diagnostics do not lead to the same result,” explains the association 60 Millions de consommateurs. There are always at least two different letters, and sometimes three, to label the energy from A to G.”

How is such a difference possible? For Yannick Enush, two factors can explain this gap. “Since the overhaul in July 2021, the new DPE calculation method has become much more advanced. Now diagnostics includes most of the technical features of housing. In order for the DPE to be reliable and objective, the owner must provide us with some essential information: the type of insulation, its thickness, etc.

However, according to the expert, some of them are missing in the diagnosis or simply cannot answer some too technical questions. “As part of the new DPE, we have to, for example, introduce the size of the insulation. If we don’t have this information, we put the default index, which worsens the rating of the object,” the expert explains.

Low cost of diagnostics

Another hypothesis of our interlocutor: the use of inexpensive, unqualified diagnoses, which sell off prices and spoil the image of the industry. “Even if this is not the majority of cases, some diagnostics do their job poorly and provide DPEs that are not reliable,” admits the Fnaim expert. The problem is well known to the state authorities.

A report published in September by the Directorate-General for Competition, Consumer Affairs and Fraud Prevention (DGCCRF) points to some questionable practices by real estate diagnosticians. In the question? Unclear pricing and a display that is too often missing.

Therefore, the Chamber of Real Estate Appraisers Fnaim is calling for a real professional industry and, why not, to consider a body that could sanction unscrupulous appraisers. We remind you that the DPE entered into force on July 1, 2021.

A condominium puzzle

But a new dispute arises. If in individual houses the rating improves more easily due to reconstruction, then in apartments it is not so.

Depending on the condition of the building in which they are located and the mode of heating, most often collective, the apartments have difficulty changing class, even if they have been overhauled.

Faced with this mess, nearly a quarter of landlords are reluctant to get down to business and try to dispose of properties that have become “unlettable” and unsaleable.

Especially since the new measure still risks shaking: from 1e In April, an energy audit will become mandatory for the sale of F and G class condominiums. It should cost from 600 to 1,000 euros at the owner’s expense.

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