Buying an apartment, selling a house, or investing in rental properties: each real estate project relies on mechanisms that are better understood before signing. The real estate market is going through a phase where prices, credit rates, and regulatory constraints are changing simultaneously. Distinguishing between what really matters and what is just background noise is the first step to moving forward calmly.
EPC and energy sieves: what changes concretely for a purchase or investment
Two listings for similar properties sometimes display very different energy labels. The energy performance diagnosis (EPC) now weighs heavily on the value of a property, but its interpretation requires some caution.
The EPC label can change without any work being done, simply because the calculation method has changed. A property rated F yesterday can be rated E today, or vice versa. Before buying, check which method was applied to the diagnosis. Do not confuse an improvement on paper with actual insulation of the building.
Since 2025, properties rated G can no longer be subject to a new rental lease. This prohibition does not apply to existing leases, and the rules differ in overseas territories. An investor who spots a G-rated property at an attractive price must therefore check the status of the existing lease before calculating a yield.
To delve deeper into these topics and keep up with industry news, the Just in Déco website dedicated to real estate offers regularly updated resources.
Controlled rents and F or G labels: a trap for yield
In cities where rents are controlled, a property rated F or G cannot justify a rent increase. This restriction adds to the constraints of energy decency. In practice, the rental yield of a poorly rated property may decrease even before the rental ban applies.
The rent control experiment was set to end in November 2026 unless extended. Monitoring this timeline is useful for any rental investment project in the major affected urban areas.
Mortgage rates and prices: analyzing the current market phase
After a decline in rates that began in 2024, financing conditions have stabilized. Banks remain open to granting mortgage loans, but inflation is a parameter to watch.
Why does this context of stabilized rates change the game? Because borrowing capacity is no longer increasing as quickly as during periods of rapid decline. A buyer who was expecting an additional improvement in their purchasing power may see prices start to rise slightly before rates move again.
The price erosion observed in previous years still offers opportunities, especially in areas where demand has not caught up with available supply. The market is described as active but cautious: transactions are resuming without prices skyrocketing.
Criteria to check before signing a purchase offer
- The calculation method of the EPC and the date of the diagnosis: an EPC over ten years old no longer has regulatory value and may mask a real deterioration of the property.
- The climate zoning of the property: climate risk (flooding, shrink-swell of clays) is becoming a selection criterion that affects insurance and medium-term resale.
- The complete financing plan, including notary fees, property tax, and potential costs of energy-related work to achieve at least an E label.
- The local rental tension if you are buying to rent: a property in a city with low demand may remain vacant for several months, which cancels the theoretical yield.
Climate risk and real estate: an underestimated selection criterion
Climate risk does not always appear in the traditional evaluation grids of a property. It should. Exposure to natural hazards alters the value of a property over the long term, and insurers are gradually adjusting their rates based on location.
A plot of land located in a shrink-swell clay zone may suffer structural cracks after several drought episodes. Repairs often cost tens of thousands of euros, and compensation from insurers is not always complete.
Before buying, consult the state of natural and technological risks (ERNT) of the property. This document is mandatory, but many buyers skim over it. Take the time to check if the municipality has been subject to recent natural disaster decrees.
Real estate sale: setting the right price without overvaluing
An overvalued property remains on the market, accumulates days of listing, and ends up selling below its actual value. This is a classic pattern that many sellers discover too late.
The sale price must reflect the local market, not the sentimental value of the property. Compare with recent transactions in the same neighborhood, on the same floor, with a comparable EPC. Notarial databases allow access to this information for free.
- Get multiple estimates from different professionals to cross-check opinions.
- Consider the energy label: a property rated D sells more easily than a property rated F, even with the same surface area and location.
- Anticipate the work that the buyer will need to undertake: an adjusted price accordingly speeds up the sale and avoids lengthy negotiations.
The real estate market rewards neither hesitation nor haste. Every project, whether it’s a purchase, sale, or rental investment, relies on verifiable data: condition of the property, financing conditions, local regulatory constraints. Taking the time to gather them before deciding remains the best guarantee of a controlled investment.
