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Today, the energy impact on the environment is a value that is increasingly taken into consideration, particularly in the real estate market. The various measures taken by successive governments have two main objectives: to reduce greenhouse gas emissions on the environment and to promote heritage. But what exactly is the green value of a building and how is it evaluated?

The green value: definition

Clearly, the green value of a building corresponds to the energy performance of a property, that is to say the amount of energy consumed (heating, electricity, domestic hot water...). We even talk about a green haircut that devalues ​​buildings that do not have a bad energy performance.

The ADEME defined it in 2011 as "the net additional value of a property released through a better environmental performance".

The association of notaries DINAMIC proposed another definition in 2013: "The green value corresponds to the increase of value engendered by the better energetic and environmental performance of a property compared to another property all the other characteristics being equal elsewhere ".

The classification of real estate is carried out according to energy consumption:

  • the less the building consumes energy, the better the property has good energy performance
  • the more the good has a good energy performance, the more real estate market value will be high

The RT 2012 thermal regulation reinforces energy constraints in the context of new buildings.

The benefits of a good energy-efficient property

The green value is a trend that is not about to decline, quite the contrary. Many states have become aware of the devastating effects of pollution on the environment and a revival of political consciousness has taken place during the COP 21 initiated by the French state.

The direct benefits of the green value of a building are of three kinds:

1. ecological: reduction of greenhouse gases, reduction of carbon footprint and improvement of air quality

2. economic: lower electricity bills and the arrival of home automation to manage consumption in a smart way

3. price increase housing in the real estate market

The energy performance diagnosis (EPD)

This measure is found in the DPE when selling or renting a property. The initiative goes to the seller or lessor of the housing and the results must be included in a technical diagnostic file (DDT). The DPE describes the property and in particular the heating system, the ventilation, the domestic hot water production equipment.

The purpose of the ECD is to estimate the amount of energy and greenhouse gases consumed or released by a dwelling. The reading of the result materializes in the form of labels classified from A to G (A being the best performance).

Video Instruction: Q2 2014 Webinar: The Value of Building Green