In the real estate transaction landscape, the purchase proposal is often perceived as a simple preliminary step, a form to be signed “to lock in the property.” In reality, it is an act with binding legal effects, which can lead to significant financial consequences and even result in litigation in case of default.
A frequent misunderstanding: ‘it’s just a formality’
One of the most common mistakes among buyers is to believe that the purchase proposal is a document with no real consequences, useful only for expressing an interest or reserving the property. Instead, in most cases, the person who signs such a proposal is not really aware of the legal obligation involved or the obligations he or she is assuming.
It is, in essence, a unilateral but binding legal act, which can be transformed, with the seller’s simple acceptance, into a preliminary contract for all purposes, with all the associated consequences: obligation to enter into the deed, possible loss of the deposit, claims for enforcement or damages.
This disconnect between subjective perception and legal reality exposes the signer to significant risks, especially if he or she is not assisted by legal counsel capable of assessing the clauses contained and the actual negotiated content.
? Cass. civ. sec. II, sent. 8994/2016:
“An irrevocable proposal to purchase, once accepted, is eligible to constitute a preliminary sale, even if it is drawn up on the agency’s pre-printed form, as long as it contains all the essential elements of the contract.”
Accepted proposal = contractual legal obligation
With the seller’s acceptance of the proposal, a real legal bond is established, obligating both parties to conclude the deal on the agreed terms. Such a preliminary contract produces immediate legal effects: it binds the parties, allows any action under Article 2932 of the Civil Code for specific performance, and legitimizes claims for compensation.
? Cass. civ. sec. II, sent. Jan. 11, 2005, no. 359:
“The proposed real estate purchase, accepted by the seller, constitutes a preliminary contract by which the parties mutually obligate each other to enter into the final contract.”
The risk of signing without assistance: the practice of real estate agencies
Very often, the proposal is presented to the buyer as an “informal” or “non-binding” document, to be signed in order to initiate negotiations. In reality, the clauses contained-often standardized-can:
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Bind the buyer for long periods without the possibility of withdrawal;
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Impose onerous conditions or high penalties;
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not include conditions precedent (such as mortgage approval), exposing the buyer to the risk of being deemed in default.
⚠️ Case Study:
A buyer signs a proposal containing the clause “no later than October 30, 2024,” with no provision for a mortgage suspensory. The financing is denied, but the seller acts for damages and retention of the deposit. The court recognizes the buyer’s default, noting the absence of protective clauses.
Down payment and default
In practice, it is common for a deposit to be paid upon signing the proposal (Art. 1385 Civil Code). It performs two functions:
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Strengthening the effectiveness of the agreement;
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Establish economic consequences in case of default.
The consequences are as follows:
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If it is the buyer who fails to meet the commitment, he loses the deposit;
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If it is the seller who refuses the sale, he is required to return twice the amount received.
? Cass. civ. sec. II, sent. Oct. 27, 2017, no. 25645:
“In case of failure to enter into the final contract due to default of one of the parties, the fulfilling party may retain or demand double the deposit, regardless of the damage suffered, unless further damage is proved.”
The proposal conditional on obtaining the loan
A key clause that should always be included is the condition precedent linked to the successful completion of the mortgage file. In its absence, the buyer who does not obtain financing may be considered in default, resulting in the loss of the down payment and a compensatory obligation.
? Cass. civ. sec. II, sent. March 21, 2013, no. 7122:
“In the preliminary sale conditional on the disbursement of the loan, failure to fulfill the condition results in the termination of the parties’ obligations without liability.”
Legal assistance at the stage of the purchase proposal
A lawyer experienced in real estate law can make a difference early in the negotiation process. In particular:
- explains the content of the clauses and the general scope of the contractual commitment proposed by the mediator;
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Check whether the proposal creates an immediate legal lien;
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Inserts protective clauses for the buyer or seller;
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Evaluate the economic implications of the deposit and penalties;
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Prevents litigation and drafts customized agreements.
? Case assisted by the Firm:
A client signed a standard proposal with an onerous termination clause. After prior legal advice, a contract modification was obtained that avoided a subsequent lawsuit, safeguarding the party’s assets and peace of mind.
Conclusions
The purchase proposal is anything but a “gateway” document: it often constitutes the first legally binding act in the purchase and sale of a property. Signing it without fully understanding its implications can expose you to significant economic and legal risks.
Therefore, it is advisable to always carefully evaluate the validity, risks, and possible protections.

