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Expert opinion | 12/12/25
Rent freeze for properties with an E energy performance rating of E: the new frontier of decency and rental risk 2025 marks a decisive step for the French rental market: while housing classified as E on the Energy Performance Diagnosis (DPE) is not yet subject to an absolute freeze on rents, the shadow of such a measure now looms, and it is better to anticipate it than to suffer it.
Expert opinion | 11/12/25
Energy inefficient buildings: lessons learned from Estonia 2025 was promised to be a turning point in the fight against energy-inefficient buildings. However, according to the latest figures published by the Observatory for Energy Renovation (ONRE), the results are not very encouraging.
Expert opinion | 10/12/25
Poor housing and unsanitary conditions: air quality at the heart of social insecurity Inadequate housing affects 4 million people in France according to the Housing Foundation[1]. Among these poorly housed, 350.000 are without a fixed home, the rest are affected by growing energy insecurity and unsanitary conditions within social housing itself, which is supposed to compensate for these inequalities.
Expert opinion | 09/12/25
Making France a nation of homeowners: a political commitment to the security of the French It has become urgent to face the truth: the pension system is no longer able to guarantee lasting financial security. To stake one's entire future on a collective mechanism weakened by deficits, demographics, and economic instability is tantamount to leaving it to chance. And no one can approach twenty or thirty years of retirement with uncertainty as their only horizon.
Orisha Real Estate | Expert opinion | 09/12/25
Real estate: AI won't replace humans... but it will replace those who refuse to use it. Artificial intelligence is now emerging as a major disruption as the arrival of the Internet in the 2000s. In the real estate sector, where data, risk and human relationships are closely linked, AI is not a simple technological evolution: it is redefining the very way in which activities are conceived, managed and secured.
Expert opinion | 04/12/25
Energy Performance Certificates (EPCs) 2026: a technical reform that will reshape the housing landscape in France The reform of the Energy Performance Certificate (EPC), scheduled to come into effect on January 1, 2026, could well be one of the quiet turning points in the real estate market. A discreet, almost insignificant change—a conversion coefficient that drops from 2,3 to 1,9—but with very real consequences for owners, landlords, and future occupants.
Expert opinion | 24/11/25
Waste management: a new pillar of performance in the construction industry Long perceived as a constraint, waste has now become a strategic lever for performance across the entire construction sector. As resources become scarcer and regulations tighten, sorting and recycling are no longer seen as a virtuous act, but as a major economic and industrial undertaking.
Expert opinion | 20/11/25
When markets rise… but quality falls: a signal not to be ignored Since the beginning of the year, equity markets have generally performed well. Major indices are rising, investors seem confident, and volatility remains contained. However, behind this reassuring facade, certain signals deserve particular attention.
Expert opinion | 19/11/25
Markets: Unbridled optimism While many investors remain cautious, markets continue their upward climb. Stocks, credit, bonds: everything is rising, driven by almost unwavering confidence in the Fed's ability to support the economy and prevent any slippage. But this optimism, which has become almost automatic, rests on a fragile balance: still-abundant liquidity and a growing tolerance for risk.
Orcom | Expert opinion | 18/11/25
Acquisition audit & external growth: specific points of vigilance in the building sector In a building market undergoing restructuring, marked by the decline in new construction activity and the concentration of players, more and more managers are considering external growth as a lever for development.
Expert opinion | 12/11/25
When the Energy Performance Certificate (EPC) falters: what if fraud were to weaken the entire real estate chain? In the French real estate sector, the Energy Performance Certificate (EPC) is no longer just another document: it has become a crucial economic, environmental, and reputational issue. And yet, behind its perceived importance lies a sense of unease: attacks on credibility, suspicions of collusion, and a weakening scope of action.
The Companions | Expert opinion | 05/11/25
The painter, a craftsman of automation in the construction sector Long a symbol of the end of a construction project, the painting phase is about to enter the age of robots. The digitalization of this final stage of building projects, its automation, promises a finally modernized sector. But behind the anticipated utopia, the technological revolution, even boosted by artificial intelligence, will still have to overcome serious challenges.
Expert opinion | 04/11/25
Public works projects, public money... Who's really watching over the budget? Every year, public and private projects experience budget overruns of 20 to 30%. From the Philharmonie de Paris (1) to regional high schools, these examples show that, without the obligation to use a construction economist, cost control too often remains haphazard, with a potential waste of public funds.
Expert opinion | 30/10/25
Ventilation system maintenance: the forgotten link in energy performance A well-ventilated home is healthier, more comfortable, and more energy-efficient. An effective ventilation system requires regular maintenance. However, in France, apart from gas-fired mechanical ventilation systems (VMC gaz), maintenance of ventilation systems is not subject to any regulatory requirements. The RE2020 regulation, on the other hand, mandates an inspection upon handover of new installations, without requiring a schedule of subsequent maintenance.
Expert opinion | 21/10/25
Ventilation professions, orphans of training While indoor air quality is emerging as a health and regulatory issue, ventilation continues to be a lever for energy performance and comfort in buildings. However, the sector suffers from a lack of training. It is urgent to support the transition of the sector and ventilation professionals with appropriate training and certification.
Expert opinion | 20/10/25
The 7 mistakes to avoid when drafting a compliant lease Drafting a rental agreement that complies with regulations is a delicate exercise, but essential to avoid costly disputes and administrative sanctions.
Expert opinion | 16/10/25
“Big beautiful data centers”: How AI and infrastructure are breathing new life into a struggling construction sector Generative AI has become a structural driver of construction. The global rise of AI is fueling a data center frenzy. In the United States, 6,4 GW of data center capacity was under construction at the end of 2024, double the level in 2023. This alone represented approximately $74 billion in construction spending (excluding land, equipment, software, etc.).
Orcom | Expert opinion | 14/10/25
Business transfer in the construction industry: why an employee buyer is an option to explore The question of business transfer is a pressing one in the construction sector, where many managers are approaching retirement without any obvious solution.
Freeda | Expert opinion | 09/10/25
Eliminating mistakes before the first pickaxe strikes: AI is revolutionizing construction In construction, every design error costs months and hundreds of thousands of euros in lost revenue. Opening delays, additional costs, lost revenue: a simple inconsistency in a technical plan can disrupt the entire process of a real estate project, a hotel, a restaurant, or a store.
Expert opinion | 07/10/25
DPE: how to transform your home into an energy champion The Energy Performance Diagnosis (EPD) has become an essential element in the French real estate market. The deadlines are fast approaching: from 2025, G-rated homes can no longer be rented; from 2028, it will be the turn of F-rated homes, and by 2034, E-rated homes will follow.