A legitimate debate, often mis-framed. Some real estate stakeholders argue that environmental certifications are costly and redundant with regulation. This overlooks a key distinction: complying with a rule is not the same as demonstrating performance.
Regulation and certification: two distinct registers
Environmental regulation sets a mandatory minimum floor. It frames practices and imposes obligations.
It does not produce independent evidence.
An environmental certification is not meant to replace regulation. It aims to attest, through an independent third party, that a project complies with a given standard or reaches a demonstrated level of performance.
Complying with a rule is not the same as demonstrating performance. This distinction becomes decisive once environmental commitments are contractualised, communicated or integrated into public policies.
Displayed cost vs. real cost of risk
The unit cost of certifications is often highlighted. It is accurate in accounting terms, but legally incomplete.
It notably omits:
- the risk of challenge to environmental claims,
- the requalification of "sustainable" communications,
- exposure to greenwashing litigation,
- the weakening of contractual or CSR commitments,
- the difficulty of demonstrating, after the fact, the reality of the choices made.
In this context, environmental certification is less a cost than a tool for legal and financial security.
EU Directive 2024/825: a change of tolerance, not of nature
EU Directive 2024/825 requires that any environmental claim rest on verifiable, objective and independent evidence. Its transposition into French law is set for 27 March 2026.
Key point: the directive does not turn non-probative approaches into evidence. It reduces legal tolerance towards undemonstrable commitments.
What was not legally probative before 2026 does not become so afterwards. The directive does not create the evidence; it requires it to exist.
Public procurement after 22 August 2026: from intention to enforceability
From 22 August 2026, all public contracts will have to include at least one environmental consideration in:
- the criteria for analysing tenders,
- and/or the performance clauses.
This obligation is not about display. It is about the ability to demonstrate, monitor and enforce the commitments made.
Specifications, charters and internal methods remain lawful and useful for structuring an intention. However, they have never constituted — and still do not constitute — a legal safeguard, as they fail to produce independent evidence enforceable against a third party.
Labels, participatory schemes and methods: their actual status
Confusion persists between private labels, participatory schemes, internal or sector standards, environmental communication tools, and prescriptive methods.
These arrangements fall within the register of voluntary membership, education, sector outreach and the structuring of intentions.
They have never constituted, either before or after EU Directive 2024/825, enforceable legal evidence. They can accompany a project. They cannot legally secure a decision.
Prescription and performance: a frequent confusion
Many alternative approaches rest on prescriptive elements: lists of good practices, imposed solutions, standard procedures, requirements of means.
Prescription describes what must be done. It does not demonstrate what is actually achieved. An arrangement can be highly prescriptive and highly documented without producing independent evidence of the level of performance reached. Prescription is not evidence.
Independent assessment tools: a distinct register not to be confused
Labels, participatory schemes or prescriptive arrangements should be distinguished from independent assessment tools, designed as instruments of analysis and decision support.
These tools are not meant to produce enforceable evidence. They aim to measure a level of performance at a given moment, objectify gaps, compare scenarios and inform design or programming choices.
They relate neither to membership nor to display. They form an analytical foundation, often indispensable ahead of a decision or a certification. In this logic, an independent assessment tool is not an alternative to certification, but a preparatory arrangement, making it possible to structure a credible and measurable trajectory.
Accredited environmental certification: the register of evidence
An accredited environmental certification rests on:
- a public, stabilised standard,
- an assessment carried out by an independent third party,
- a strict separation between support and decision,
- a clearly identified chain of responsibility.
By accredited certification we mean a certification issued by a body assessed against international standards guaranteeing independence, impartiality and competence.
When the same actor defines the method, supports the project and validates the results, there is no independence. There is therefore no enforceable evidence.
The final buyer: protected by design
It is true that the final buyer often reasons on price. This does not mean they are without protection. Property law rests on safeguarding mechanisms intended to protect the buyer against risks they cannot assess alone.
These mechanisms do not guarantee environmental performance. They do, however, contribute to the overall legal security of the transaction, in which the credibility of environmental commitments plays a growing role.
Accredited environmental certification does not aim to convince the buyer. It aims to secure the entire chain of responsibility, including to their benefit.
Freedom of approach and responsibility for decisions
The point is not to impose a single model or to dismiss useful initiatives. It is to clarify the registers: a commitment is not evidence, prescription is not performance, assessment is not certification, a method is not enforceability.
Freedom of initiative remains. Legal responsibility, however, attaches to evidence.
Conclusion
The question is no longer whether environmental certifications are desirable. The question is who bears the legal risk when no independent evidence is produced.
Neither before nor after EU Directive 2024/825 have private labels, participatory schemes or prescriptive arrangements constituted a legal safeguard.
In a context of tightening regulation, strengthened public procurement and increased demand for environmental credibility, accredited environmental certification stands as the legally operative register of evidence, in articulation with independent assessment tools used upstream to inform decisions.
Frequently asked questions
No. They are useful for mobilising, structuring and supporting. They do not constitute legal evidence.
No. It imposes a requirement for independent evidence. Accredited certification meets it.
No. They play an essential role in supporting upstream decisions. They do not produce enforceable evidence.
It may be demanding, but it remains an obligation of means. Performance must be demonstrated.
No. They have never been a legal safeguard. The directive simply reduces tolerance for using them as evidence.
Because enforceable evidence requires an independent assessment and a clearly identified responsibility.
Yes, indirectly. The credibility of commitments secures the entire purchase.
IRICE
Organisme certificateur indépendant, accréditation Cofrac n°5-0655 — ISO/IEC 17065
Cofrac Accreditation No. 5-0655, Product, Process and Service Certification, scope available at www.cofrac.fr.