Repair avoided: the flat surface changes the verdict
Hello, it’s Patrick. Yes: a reliable measurement, taken in the right place, can prevent an unnecessary dispute or entitle you to a price reduction if the discrepancy exceeds the applicable threshold. For a condominium property, the applicable framework is often the Carrez law; for an off-plan purchase (VEFA), the rules are different. The right approach: check the contract, have the property measured, and act promptly.
What to do immediately
- Review the area stated in the deed of sale and its appendices.
- Check whether the property is a condominium unit or an off-plan purchase (VEFA).
- Compare the calculation methods: habitable area is not always the same as Carrez area.
- Request a professional measurement and a written report.
- Note the date of the deed or handover so you can keep track of the time limit for taking action.
A visual inspection may reveal a room that was left out, but it is not enough to establish a discrepancy. The measurement must be carried out properly, using a suitable tool and, where possible, on a flat surface; the floor’s levelness does not change the calculation rule, but it helps ensure consistent measurements. To avoid hasty actions, these tips on diagnosing a problem before panicking and choosing the right tools recall a useful rule: check before you act.
Area discrepancy: the property’s status changes your options
The Carrez law generally applies to sales of condominium units. The private area must be stated in the deed; certain spaces, such as cellars, garages, and balconies, are not included. Areas with a ceiling height of less than 1.80 meters are also excluded from the Carrez measurement.
If the actual area is more than 5% less than the area stated, the buyer can generally request a proportional reduction in the price. However, a house sold outside a condominium is not automatically covered by this guarantee: the deed and its clauses must be reviewed.
For an off-plan purchase (VEFA), the Carrez law does not apply in the same way. The habitable area specified in the contract and the rules governing delivery of the property may provide the basis for taking action. A legal professional can check which grounds apply to the situation, as explained in this article on options for taking action after a Carrez area error.
| Situation | Measurement reference | What to check |
|---|---|---|
| Existing condominium unit | Carrez private area | Discrepancy exceeding 5% and time limit for taking action |
| Off-plan purchase (VEFA) | Habitable area specified in the contract | Handover and applicable area definition |
| House outside a condominium | Deed of sale and contractual clauses | Whether a floor-area guarantee is included |
| Rental | Habitable area under the Boutin law | Do not confuse it with the Carrez measurement |
Measure the discrepancy without confusing different types of area
The Carrez area, habitable area, and area stated in an off-plan purchase contract do not always mean the same thing. A balcony, attic space, or area with a low ceiling may be treated differently depending on the calculation required. An apparent difference is therefore not enough to establish a compensable defect.
To put together a strong case, a survey or report by a licensed surveyor can help prove the measurement. The consistency of the results matters: the method must be clear, dimensions must be recorded, and the result must be compared with the definition set out in the deed. If in doubt, legal advice can help avoid making the wrong decision.
A hypothetical buyer, Karim, discovers that his living room seems smaller than it appears on the floor plan. He has the rooms and ceiling height checked: a partition and a sloped-ceiling area explain some of the discrepancy, but only the report can establish whether the legal threshold has been exceeded. As a simple rule puts it: “A verified measurement is better than an impression.”
Two quick scenarios to guide your assessment
If it is an older condominium apartment, check the Carrez area stated in the deed and compare it with a professional measurement. If it is a new property bought off-plan (VEFA), start with the contractual habitable area and the handover date.
Three steps to enforce your rights
- Step 1: gather the deed, floor plans, appendices, and handover documents; identify the stated area and the property’s status.
- Step 2: arrange for a joint measurement or an expert report, then compare the figures using the correct area definition.
- Step 3: send a written request to the seller or other responsible party and consult a legal professional before the applicable time limit expires.
For condominium units, the time limit for taking action under the Carrez law is generally one year from the date of the notarized deed. For an off-plan purchase (VEFA), the starting point for this type of action is the handover. The rules may depend on the case: it is best to have a lawyer or notary confirm the calculation and the time limit.
An area discrepancy can affect the purchase price and, for a rental investment, the maximum rent or return. A distortion of a floor plan or a measurement taken at an angle can also skew comparisons: an independent check is often a small saving compared with a poorly prepared dispute. The process and useful documents are detailed in this guide to compensation for an area error in a real estate transaction.
Practical questions about an area discrepancy
Is a difference of a few square meters enough to obtain a reduction?
Not automatically. For a unit subject to the Carrez law, the discrepancy must generally exceed 5% of the area stated in the deed. The calculation must be checked in light of the circumstances and the sale documents.
Does the Carrez law apply to a detached house?
In principle, it applies to the sale of a condominium unit. For a house outside a condominium, the statements and guarantees in the deed of sale must be reviewed.
How can you prove an area error?
A professional measurement and written report provide concrete evidence. They must use the area definition relevant to the type of sale.
What time limit should you keep track of?
The time limit for an action based on the Carrez law is generally one year from the date of the notarized deed. For an off-plan purchase (VEFA), the starting point may be the handover; have the time limit applicable to your case confirmed.
Thanks for reading; best wishes, Patrick
