News
Advice, regulations and company news around property diagnostics.

What is the 3CL method that determines the EPC rating?
For everyone working in the property sector, it is essential to fully understand how this 3CL method works, as it determines a property's energy and climate rating and, since 2021, has had a direct impact on the energy renovation of homes.
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Property, EPC, energy renovation - where do we stand?
As the regulations surrounding the Energy Performance Certificate (EPC) and renovation are constantly evolving, many buyers and sellers are wondering: is it still worth investing in a property to renovate?
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Professionals: using the energy audit as a selling point for a property
The audit is a technical tool that can represent a real strategic opportunity and turn into a strong selling point when selling a property.
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Asbestos at the heart of DIY, a real danger for private individuals
All over the world, many owners embark on works without realising the risks they are taking.
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Energy performance: an essential criterion when selling a property
Energy performance is now becoming a decisive criterion for the success of a property transaction. The energy performance certificate, or EPC, is no longer seen as a constraint but as a selling point that will influence the value of your property and
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Changing your windows to improve your EPC rating: a miracle solution?
Among the works most frequently considered to improve your EPC rating, replacing windows is an appealing solution. But, between received ideas and technical reality, is changing the joinery really the key to improving your home’s energy rating?
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How to enhance the value of your property before selling?
Have you decided to sell your home? In order to attract potential buyers and obtain the best sale price, it is essential to prepare properly for this new adventure!
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Tackling energy sieves: the importance of carrying out an EPC
The Energy Performance Certificate is an essential tool for accurately assessing the energy consumption of a property (home or building). But what exactly do we mean today by a home described as an energy sieve?
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The Éco-Prêt à Taux Zéro (Éco-PTZ): what changed in July 2025
The « Éco-Prêt à Taux Zéro » (éco-PTZ) scheme is undergoing a change in how it is applied. Indeed, since 1 July 2025, a mandatory energy audit is now required to qualify for this loan, as the projected EPC is no longer accepted.
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