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6 min readApril 6, 2026

The Subsidy Scams Nobody Talks About

Diagnostic immobilier. Mandatory home security inspections. Permit consultants. Entire professions exist because the government created them, not because the market needs them.

You sell your apartment in France. Before you can close the sale, you need a stack of paperwork.

A DPE (energy performance diagnostic). A diagnostic amiante (asbestos). A diagnostic plomb (lead). A diagnostic gaz. A diagnostic électricité. An ERP (state of natural and industrial risks). For older properties, a CREP. For apartments in copropriété, a Carrez. If your DPE is class F or G, an audit énergétique.

The bill, depending on the property: €400 to €700 for an apartment, €1,100+ for an older house.

None of these inspections will actually fix anything. They produce documents. The documents get attached to the sale contract. Then everyone goes home.

This is one of the largest hidden taxes on property in France. The diagnostiqueur immobilier is a job that was created, not discovered. There was no market demand. There was a regulatory mandate, and a profession appeared to extract fees against it.

Every developed country has dozens of these. The pattern is identical. Each step is hard to reverse once it happens.

Step one: A government identifies a real problem. Asbestos in old buildings. Lead paint. Energy efficiency. Workplace safety. Food handling. Fire risk.

Step two: Instead of solving it directly, funding remediation, building public capacity, training enforcement officers, the government passes a law requiring private compliance. The owner must obtain a certificate. The restaurant must display a permit. The employer must complete a training. The contractor must hold a license.

Step three: A new profession emerges around the certificate. People train, get licensed, and charge for the document. The fee is the product. The actual underlying problem, the asbestos, the lead, the safety risk, is incidental. The profession profits from the requirement, not from the solution.

Step four: The profession lobbies to make the requirement more complex. More categories. More frequency. Higher minimum prices. Stricter penalties for non-compliance. They're a focused interest group; their opponents are diffuse property owners who don't even know the law exists until they need it.

Step five: The requirement becomes culturally entrenched. The profession becomes "essential." Suggesting it's a tax in disguise gets you accused of wanting to harm safety, or the environment, or workers.

The DPE, the most famous of the French diagnostics, costs €90 to €160 for a typical apartment. Roughly 4 million are issued every year. That's a market of €400 to €640 million annually, just for one diagnostic. The total annual market for all French diagnostics immobiliers is several billion euros.

Mandatory diagnostic on a typical €300K Paris apartmentCost
DPE (energy)€120
Diagnostic amiante (asbestos)€110
Diagnostic plomb (lead, pre-1949)€170
Diagnostic électricité€100
Diagnostic gaz€120
ERP (natural/industrial risk)€20
Loi Carrez (surface)€100
Audit énergétique (if class F/G)€700
Notary diagnostic-related fees~€100
Total before notary, registration, agency€1,540

For a €300,000 apartment, you'll pay €1,500+ in compliance paperwork. The DPE alone has produced no measurable change in French residential energy use since it became mandatory.

According to industry estimates published in 2025, roughly 70,000 DPE certificates per year are fraudulent. That's about 1.75% of all DPEs. Some diagnosticians manipulate the rating to help owners avoid new laws banning rental of class-G properties. Others just collect the fee without doing the work properly. The system has near-zero enforcement, because the regulator (the cofrac certification body) is staffed by people from the same industry.

The result is a mandatory product, sold at scale, with significant fraud, that produces a certificate which gets ignored by most buyers. Most people look at the DPE rating, shrug, and proceed with the sale. The information rarely changes the price or the decision. It's a tax the buyer pays to a parallel industry of certificate-issuers.

And the kicker: the DPE was introduced to drive energy efficiency improvements. French residential energy use per square meter has barely moved since it became mandatory. What has occurred is a €400-million-plus annual industry, employing tens of thousands of people, producing documents nobody reads.

In Canada, mandatory home inspections before sale generate a $300 to $700 fee per transaction. The inspectors are licensed. The inspections are real, technically. The reports are rarely actionable.

In Italy, certificazione energetica (APE) does the same thing as the French DPE, with similar issues.

In Germany, the Energieausweis is the local version.

In the UK, HIPs (Home Information Packs) were introduced in 2007, then abolished in 2010 after sustained criticism that they added cost without value.

Across the world, food handler permits, workplace safety certifications, business operating licenses for trivial activities (yes, you need a license to be a florist in twelve US states), and dozens of similar requirements have created small industries of certificate-issuers. None of them invented themselves. They exist because a law required them.

Not all of them are useless. Proper electrical inspections do catch fires, proper food handling certifications do prevent food poisoning. But many are pure rent extraction. Once a profession exists around a requirement, it becomes politically impossible to dismantle the requirement. The workers who depend on it lobby hard to keep it. Their existence becomes the justification for the rule.

The newest version of this game is information security.

In the past five years, regulators across the EU and the US have introduced cybersecurity compliance requirements: GDPR for data protection, the NIS2 directive for "essential service" companies in the EU, HIPAA in the US, PCI-DSS for payment processing, ISO 27001 for everything else. Each requires certification, audit, and ongoing compliance work.

An entire profession of "compliance consultants" emerged within a decade. They charge five-figure fees to small companies for documents that are often lightly customized templates. The EU compliance industry alone is worth tens of billions of euros a year.

Despite all this compliance work, the rate of significant data breaches has continued to rise every year. The regulations did not stop ransomware. They did not stop major breaches at Equifax, Marriott, Capital One, Optus, Latitude, Solarwinds, or any of the dozens of others. They created a parallel economy of consultants and auditors who get paid to confirm that companies have the right paperwork on file before they get hacked anyway.

The cyber-security insurance racket is the next layer. The insurance has exclusions for "state-sponsored attacks," which insurers unilaterally define to include essentially any sophisticated ransomware group. When a real breach happens, the insurer denies the claim. The company loses anyway. The premium was already collected and invested. We covered this in the insurance piece, but here it is again, attached to a fresh mandatory product.

Compliance industryAnnual revenueUnderlying outcome
French DPE€400M+~0% measurable change in residential energy use
EU GDPR / NIS2 compliance€30B+Breach rates continuing to rise

The compliance industry grows. The underlying problems don't shrink.

Same pattern. Mandate, profession, fee extraction, no impact on the underlying problem.

In France, the total cost of compliance, certification, and mandatory paperwork on a typical apartment sale runs roughly €1,000 to €2,000 when you add it all up, diagnostics, notary fees, registration fees, and the small army of intermediaries each transaction requires. For a €300,000 apartment, that's about half a percent of the sale price, going to people whose role is paperwork.

Scale that across the entire economy, every sale, every lease, every business setup, every employment contract, every permit, every license, and you're talking about hundreds of billions of euros a year in advanced economies. Money that doesn't produce anything. It produces paper, that satisfies a regulator, that justifies a profession, that lobbies to keep the requirement in place.

This is the hidden tax nobody talks about. It doesn't show up on your income tax statement. It shows up in the cost of doing everything. Every transaction is slightly more expensive. Every project takes slightly longer to start. Every product costs slightly more because the producer paid the parallel economy of certifiers along the way.

The people who do these jobs are mostly decent. They followed a career path the government created. They didn't write the rules. But collectively the system is a transfer from productive activity to paperwork production, and most countries have a lot of it.

The honest answer: very little can be done about these professions once they exist. The constituency to dismantle them is weak. The constituency to defend them is well-funded and focused. Property owners individually have small stakes; the diagnostician profession collectively has large stakes. The math favors the profession.

What governments can do, and rarely do, is two things.

First, build a regulatory hygiene practice. Every five years, every mandatory certification should be reviewed against the outcome it was supposed to produce. If the DPE hasn't reduced energy use, it should be reformed or abolished. If the home inspector industry hasn't improved housing safety, the requirement should be revisited. This requires political will that almost nowhere has. But it's the only honest fix.

Second, when new requirements are introduced, the law should specify a sunset clause. The requirement exists for ten years, then expires unless reauthorized by a vote requiring the regulator to demonstrate measurable outcomes. Some good legislation already works this way. It needs to be the default.

Without these mechanisms, every developed country accumulates parallel professions, like coral reefs, decade after decade. Each individually small. Collectively enormous. Untouchable as a group.

You don't see these jobs on the news. They don't make headlines. There's no scandal. There's just a slowly accumulating cost on every transaction, every property, every business, every life, collected by professions that exist because the law requires them to exist.

The diagnostic immobilier. The home inspector. The compliance auditor. The permit consultant. The food handler trainer. The mandatory drug counselor. The state-required notary stamp on a transaction that didn't need a notary fifty years ago.

Each individually defensible. Collectively absurd.

This is what people mean when they say the modern economy is bloated. They don't mean wages are too high. They mean we've built a layer of paperwork on top of every real activity, employed millions of people to produce that paperwork, and the paperwork mostly doesn't accomplish what it was supposed to accomplish.

You're paying for it. You're paying for it on every transaction, every year, for your entire life. And there's no line item that tells you so.

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