When searching for housing, the first instinct is often to open three or four portals simultaneously, create as many accounts, and set up overlapping alerts. After a few days, you receive the same properties on multiple platforms, mixed with outdated listings or duplicates. The problem is not the lack of real estate listings, but their dispersion.
Finding housing today requires understanding how listings are distributed across sites, which filters are worth activating, and especially how to spot a fake listing before wasting time on a visit.
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Fake real estate listings: checks before clicking
Since 2024, several major portals like SeLoger and Leboncoin have strengthened identity verification and electronic signature of mandates. This measure follows a surge in fraud reported by the DGCCRF in its 2023 annual report on online scams.
On the ground, these measures do not eliminate everything. We still regularly encounter listings with abnormally low prices, lacking coherent photos or with descriptions copied and pasted from another property. A few reflexes can save time:
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- Check that the photos match the displayed location (a balcony overlooking a Mediterranean landscape for an apartment in Lille can be spotted quickly)
- Search for the advertiser’s address or phone number on a search engine to see if it appears on other suspicious listings
- Be wary of an owner who refuses any physical visit or asks for a transfer before signing the lease
- Check for the presence of the mandate number and the energy performance diagnosis (DPE), which are mandatory for listings published by professionals
A listing without an displayed energy performance diagnosis is a warning sign, whether the property is offered by an individual or an agency. The Climate and Resilience Law (law no. 2021-1104 of August 22, 2021) has reinforced these obligations, and the gradual bans on renting thermal sieves classified as F and G have multiplied listings in major metropolitan areas.
Advanced search criteria: beyond price and area
Most buyers or renters set their real estate search with three filters: city, budget, number of rooms. These criteria are necessary, but you can check all listings from ALO Immobilier to see how a professional portal structures its listings with additional data useful for decision-making.
Recent aggregators like MoteurImmo or Lybox go further. Since 2023, some integrate filters based on open urban data from platforms like data.gouv.fr. You can cross-reference listings with quality of life indicators: noise level, air pollution, multimodal travel time to a given point.
Cross-referencing listings and open urban data changes the very nature of the search. You’re no longer just looking for a property; you’re looking for a living environment. For a buyer hesitating between two neighborhoods, the difference in noise level or transport accessibility can decisively influence the decision more surely than the presence of a balcony.
Photo filters and listing quality
An underestimated criterion in the search: the number and quality of photos. A real estate listing with only one blurry photo rarely hides a gem. On Leboncoin or SeLoger, you can often sort by the number of photos. Properties accompanied by virtual tours or detailed floor plans deserve to be prioritized, as they reflect an effort in presentation that generally indicates the seriousness of the seller or agency.
Real estate portals or aggregators: choose according to your project
The temptation is to sign up everywhere. In practice, a generalist portal combined with an aggregator covers almost the entire market. Leboncoin remains the site with the largest volume of listings in France, across all categories. SeLoger and Bien’ici position themselves in the professional segment with more detailed listings.
Aggregators like MoteurImmo centralize listings from several sites in real-time. Their main advantage: avoiding the creation of five accounts and receiving the same alerts in duplicate. Some also offer faster notifications than the original portals, which matters in tight markets where a property can be taken off the market in a few hours.
Private to private: a segment not to be neglected
PAP remains the reference for transactions between individuals. The absence of agency fees makes this channel attractive, but it requires more vigilance. Without a professional to filter listings, the verification of documents falls entirely on the buyer or tenant. It is recommended to always request the title of ownership or the property tax notice before any visit.
DPE and thermal sieves: what listings don’t always say
The Climate and Resilience Law has introduced gradual bans on renting for the most energy-consuming homes. Local observatories like OLAP for Île-de-France have noted in their 2024 report a significant increase in listings for properties classified F and G in major metropolitan areas.
In practical terms, a property listed with a DPE F or G for rent should raise alarms. Either the owner has completed (or plans) energy renovation work, or the property risks becoming un-rentable in the short term. Checking the date of the DPE and the energy class has become as important as checking the area.
For a purchase, the situation is different. A property classified F can represent an opportunity if the price includes the cost of renovations. Feedback varies on this point depending on local markets, but in tight areas, the discount often remains lower than the actual renovation cost.
Reading a real estate listing between the lines
Certain phrases frequently appear in listings and deserve to be decoded. “To refresh” generally means painting and flooring work. “To renovate” implies a more substantial budget, sometimes structural. “Charm of the old” may hide nonexistent insulation. Comparing the description with the displayed DPE provides a more reliable reading of the property’s actual condition.
The online real estate listing market has structured itself around a handful of dominant portals and specialized aggregators. The quality of a search depends less on the number of sites consulted than on the rigor applied to filters, the verification of listings, and careful reading of the DPE. A good reflex: set up a single well-calibrated alert rather than ten vague alerts.