A real estate project begins long before the first visit or the publication of an ad. Whether you are looking to buy a home or sell your house, success often hinges on choices made upstream, sometimes several months before the signing. The French real estate market today imposes new regulatory constraints, particularly regarding energy diagnostics, which concretely alter the timeline and budget of a transaction.
Energy audit and DPE: what changes the game for selling a property
Are you selling a single-family home classified E, F, or G according to the DPE? Since January 1, 2025, a regulatory energy audit is mandatory before putting it up for sale. This document goes beyond a simple energy performance diagnosis: it proposes at least two costed work scenarios, with the expected energy savings and available aids.
This aspect changes the price negotiation. The buyer has a concrete projection of the cost of bringing the property up to standard, and they use it to adjust their offer. Therefore, the seller should anticipate this audit several weeks before publishing the ad, as the document must be provided from the first visit.
Another timing trap: some DPEs carried out before the method reform are no longer valid since January 1, 2025. If your diagnosis is several years old, check its validity before launching the sale. An obsolete DPE blocks the transaction and delays the entire process.
On platforms like Direct Immobilier, these elements are taken into account in the connection between sellers and buyers, allowing for a complete file to be structured from the outset.
Sale price estimation: the foundation of any real estate project
Why do so many properties remain online for months without finding a buyer? In most cases, the problem lies with the displayed price. A poorly calibrated estimate prolongs the selling period and ultimately lowers the final price, sometimes below what a realistic estimate would have allowed from the start.
In practical terms, estimating a property relies on three pillars:
- Recent transactions in the same neighborhood or municipality, accessible via public notarial databases
- The actual condition of the property, including its energy class (a property classified F or G suffers a measurable depreciation compared to a property classified C or D)
- The characteristics of the local market at the time of sale, as prices vary according to the season and the tension between supply and demand
If you are a buyer, this same logic applies in reverse. Before making an offer, compare the asking price to recent sales in the area. A significant discrepancy with the actual prices in the neighborhood constitutes a strong negotiation lever.
Real estate financing: preparing your loan file before searching
Many buyers start by visiting properties and then take care of financing. It is the opposite that works. Knowing your borrowing capacity before any search avoids wasting time on properties outside your budget and strengthens the credibility of your offer to the seller.
What the bank looks at first
The debt-to-income ratio remains the main criterion. Banks apply a strict ceiling, and exceptions are rare. Your personal contribution, the stability of your income, and your banking history complete the picture.
Obtaining a principle agreement before visiting changes the dynamics of negotiation. The seller knows that your offer is financeable, which puts you ahead of buyers who have not yet consulted their bank.
Sell before buying or buy before selling
Are you already a homeowner and changing your residence? This choice has direct financial consequences. Selling first gives you a known budget, but exposes you to a period without a fixed residence. Buying first requires temporary financing, sometimes through a bridge loan, the cost of which should be calculated precisely before committing.
Mandatory diagnostics for sale: anticipating the technical file
Beyond the DPE and the energy audit, a seller must provide a complete technical diagnostics file. This file includes several documents, the list of which depends on the age of the building, its location, and the type of property.
Here are the points to check as a priority:
- The validity of each diagnosis: some expire after a few years, others after a few months depending on the result
- Diagnostics specific to the geographical area (natural risks, soil pollution, presence of termites)
- The measurement of the living area, which engages the seller’s responsibility in case of an error exceeding a certain threshold
Preparing the diagnostics file several weeks before putting it up for sale avoids last-minute blockages. A missing or expired diagnosis can delay the signing at the notary’s office, or even jeopardize a sale that is already in progress.
Support from a professional: when and why
Using a real estate agency is not always necessary, but in certain situations, the time savings and legal security justify the fees. A local professional knows the prices practiced in the sector, manages visits, and verifies the compliance of the file.
The choice of an intermediary depends on the complexity of your project. A simple sale between individuals in a fluid market may not require an agency. A simultaneous buy-sell, an atypical property, or a property classified F in the DPE benefits from structured support.
Whether you are buying or selling, preparing the file upstream remains the factor that separates a smooth transaction from a project that stalls. The new obligations regarding the energy audit further reinforce this observation: the time invested before putting it up for sale or before the first visit determines the course of the operation.