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The real estate market, business transactions, and even simple transactions between individuals are governed by their own rules. The dynamics of these processes often require time – for securing financing, verifying documents, and completing administrative formalities. It is precisely in this space, between decision-making and transaction finalization, that a key legal instrument emerges: the preliminary agreement . While it may sound like an unnecessary formality to many, it is in reality a tool that protects the interests of both parties. It is a promise, legally binding, protecting against uncertainty and a sudden change of heart on the part of the counterparty.

Understanding the mechanisms that govern a preliminary agreement is essential for anyone planning a major transaction. It’s not just a piece of paper, but the foundation upon which the legal and financial security of the future contract is built, allowing both parties to sleep soundly.


Key elements of a preliminary contract

For a preliminary contract to exist in legal transactions and be effective, it must contain certain minimal but absolutely essential elements. Civil law refers to these as essentialia. negotiating , or essential provisions of the contract, without which it could not be considered valid. In the case of a preliminary contract, its content must define the key terms of the final contract – the final contract to be concluded in the future.

These fundamental ingredients include:

  • A precise definition of the parties to the contract must be provided. It must be clear who is entering into the agreement with whom. Full identification data is required – first names, last names, PESEL numbers, residential addresses, and in the case of entrepreneurs – full registration data.
  • The subject of the final contract. It is necessary to precisely describe what the final contract will cover. If the preliminary contract concerns the sale of real estate, it must include a detailed description of the property: address, land and mortgage register number, square footage, description of the attached rooms (such as a storage unit or garage), and other features allowing for its unambiguous identification.
  • The essential provisions of the final contract are the heart of the entire structure. In the case of a sales contract, the most important such provision is the price . Without its clear definition, the preliminary contract will be invalid.

The lack of any of these elements means that the document, even if called a “preliminary contract”, is in fact devoid of legal force.

The date of conclusion of the final contract – a key, although not obligatory, element

Although the Civil Code does not specify the deadline for concluding the final contract as a mandatory element, omitting it poses significant risks. In practice, it is one of the most important provisions.

What happens if the parties fail to specify a deadline? In such a situation, each party entitled to demand the execution of the final contract may set a reasonable deadline for the other party to sign it. However, if both parties have such a right, the deadline set by the party that submitted its declaration first is binding. Crucially, if a deadline for the execution of the final contract is not set within one year of the date of the preliminary contract, its execution can no longer be demanded. The claim simply expires.

Therefore, defining the deadline precisely is crucial. It can be specified as a specific date (e.g., “by December 31, 2024”) or as a future, certain event (e.g., “within 14 days of the buyer receiving the final credit decision, but no later than…”).


The form of the contract and its legal force: notarial deed versus written contract

A common dilemma faced by parties is choosing the form of a preliminary agreement. Is a simple written agreement sufficient, or is a visit to a notary necessary? The answer is fundamental to the scope of protection. The Civil Code distinguishes two types of legal effects: weaker and stronger .

A weaker effect occurs when the preliminary agreement fails to meet the formal requirements for a final agreement. The best example is a preliminary real estate sale agreement concluded in standard written form, while the sale of real estate itself absolutely requires a notarial deed. In such a situation, if one party avoids concluding the final agreement, the other party cannot compel them to do so in court. The only remedy available is compensation for the loss they suffered because they relied on the agreement being concluded. Typically, this compensation covers documented costs associated with preparing for the transaction, such as property valuation fees or legal analyses.

The situation is entirely different when a preliminary agreement has a stronger effect. This occurs when it meets all the requirements regarding the form and content of the final agreement. Continuing with the real estate example, a preliminary agreement concluded in the form of a notarial deed provides the authorized party with a powerful tool. If the counterparty refuses to sign the final agreement, a court can be sued to demand the execution of the final agreement. A final court judgment replaces the other party’s declaration of intent, and the agreement is concluded. This is the most comprehensive form of security, practically guaranteeing the transaction’s completion.

Costs of a contract in the form of a notarial deed

The decision to consult a notary is costly, but it’s often a price worth paying for peace of mind. The notarial fee for preparing a preliminary agreement is regulated and amounts to a maximum of 50% of the rate that would be payable for the final agreement. For example, if the maximum fee for a residential sales agreement is PLN 4,000, the notary will charge no more than PLN 2,000 (+ VAT) for the preliminary agreement. Importantly, the deposit paid with the agreement reduces the basis for calculating this fee, which can slightly reduce costs.


Deposit or Advance? The Key Difference in Securing a Transaction

The terms “deposit” and “prepayment” are often confused and used interchangeably, a serious mistake with significant legal and financial consequences. While both constitute part of the price paid in advance, their function and consequences in the event of non-performance are diametrically opposed.

A deposit is simply a portion of the purchase price paid in advance of a future performance. It is purely refundable. If, for any reason, the final contract is not concluded—regardless of whose fault it is—the deposit must be returned to the buyer in full. This provides great flexibility and financial security for the buyer, but it provides very little security for the seller.

The deposit , regulated by Article 394 of the Civil Code, serves a completely different function – disciplinary and compensatory. Its fate depends on whose fault the contract was not finalized:

  • If the contract is terminated by the party who gave the deposit (usually the buyer), the party who received it (the seller) has the right to keep it.
  • If the contract is terminated by the party who received the deposit (the seller), the party who gave it (the buyer) has the right to demand a refund of double the deposit amount .
  • If the contract is terminated by mutual consent or if the non-performance of the contract is due to reasons for which neither party is responsible, the deposit must be returned.

In the real estate market, it is customary to assume a deposit of 10% of the transaction price , although the parties are free to set this amount. However, caution should be exercised – a deposit that is grossly excessive (e.g., 50% of the price) could be considered by the court as an attempt to circumvent the law and consequently be changed or declared invalid.

Moreover, it’s worth remembering that the provisions regarding deposits are discretionary . This means that the parties can arrange their fate differently in the contract, for example, by stipulating that they forfeit the deposit even if the contract fails for reasons beyond their control. Therefore, it’s crucial to carefully read each provision of the contract.


When is signing a preliminary contract a good idea?

There are many scenarios in which a preliminary agreement becomes not so much an option as a necessity. Signing one is a strategic move when the parties need time but also want to ensure that the agreed-upon terms remain unchanged.

Here are the most common situations:

  • The buyer applies for a mortgage. The loan process is ongoing. A preliminary agreement allows the buyer to “reserve” the property and lock in the price. Banks often require such an agreement as a basis for initiating the process.
  • The seller must settle the legal status of the property. This may include inheritance matters, plot division, or obtaining necessary certificates. The contract gives them time to do so, guaranteeing that the buyer will not back out.
  • Price security in a dynamic market. In times of rapidly changing property prices, a preliminary agreement allows you to “lock in” a fixed amount.
  • Detailed verification is necessary. The buyer may need time to conduct a technical inspection of the property. A preliminary agreement gives them this opportunity without the risk of someone else taking over.

The most common mistakes when concluding a preliminary contract – how to avoid them?

The devil is in the details, and in preliminary contracts, these details can cost tens of thousands of zlotys. Here are some pitfalls to watch out for:

  • Lack of a precise description of the property. Omitting the plot number, storage unit number, or garage number can lead to disputes over the actual subject matter of the contract.
  • Lack of spousal consent. If the property is jointly owned and only one spouse sells it without the consent of the other, the contract may be invalid. The same applies to the buyer.
  • Signing a contract with an unauthorized person. Always verify that the person claiming to be the owner is the actual owner (e.g., by checking the land and mortgage register) and that they are the sole owner.
  • Too short or unrealistic a deadline. Giving 30 days to obtain a mortgage during a period of intense market activity is asking for trouble. The deadline must be realistic.
  • Using ready-made templates from the internet . These templates are often incomplete, outdated, or unsuitable for a specific situation. They may not include key protection clauses.

Preliminary contract and taxes – what should you remember?

The tax aspect is often overlooked, and ignoring it can lead to unpleasant consequences.

  • Civil Law Transaction Tax (PCC). The good news is that the preliminary agreement itself is not subject to PCC . The 2% tax is only payable on the final agreement (sales contract).
  • Income Tax (PIT). This situation is more complicated. If the seller withholds the deposit due to the buyer’s fault, the amount received constitutes income for the buyer , which must be reported in the annual tax return and taxed. The tax liability arises when the forfeiture of the deposit becomes final.

How to effectively withdraw from a preliminary contract?

While the contract is binding, there are avenues for safe withdrawal. The key is the existence of a compelling reason, recognized by law or, more importantly, stipulated in the contract itself.

The most effective method is to include a contractual right of withdrawal . This is a clause that gives one or both parties the ability to withdraw from the contract under certain circumstances, usually free of charge . The most common example is a buyer’s insurance policy in the event of a loan being denied.

It is worth suggesting a specific provision in the contract, for example:

“The parties have the right to withdraw from this agreement. The Buyer has the right to withdraw from the agreement free of charge by [date], if the promise or final credit decision for the purchase of the real estate described in §1 of the agreement has not been obtained by that date. In such a case, the deposit paid is refundable in full within 7 days from the date of the Buyer’s written declaration of withdrawal.”

The declaration of withdrawal must always be made in writing and precisely justified.


Checklist : what to check before signing the preliminary contract?

Before you sign, go through this checklist:

  • [ ] Land and Mortgage Register: Check its number and content online. Pay particular attention to Section III (rights, claims, and restrictions, e.g., easements, life estates) and Section IV (mortgages).
  • [ ] Identity of the other party: Verify the ID card and compare the data with those in the land and mortgage register.
  • [ ] Legal status: Make sure that the property is not encumbered with any third party rights that are not recorded in the register (e.g. lease agreement).
  • [ ] Certificates: Ask for a certificate of no arrears in payments (rent to a cooperative/community, property tax).
  • [ ] Consents: Make sure that if spousal consent is required, it is given.
  • [ ] Key agreements: Check whether the price, deadline, deposit refund terms and other key agreements are precisely recorded in the contract.

A development agreement as a special type of preliminary agreement

Finally, it’s worth mentioning that when purchasing real estate on the primary market, i.e., directly from a developer, the preliminary agreement is most often a development agreement . This agreement is governed by a separate, dedicated act, which provides the buyer with a much broader scope of protection than the standard Civil Code. The Development Act imposes a number of disclosure obligations on the developer and secures the buyer’s payments through escrow accounts.

Summary

A preliminary agreement isn’t just a formal step on the road to a major transaction. It’s a strategic risk management tool that organizes the process, buys time, and builds mutual trust based on solid legal foundations. Its strength lies in the details – precise provisions, appropriate form, informed choice between a deposit and a down payment, and anticipation of potential problems. Treating it with due seriousness, and if in doubt, consulting its content with a lawyer, is an investment in peace and security that pays off in the final stretch to finalizing the most important life and business decisions.


Key information

  • A preliminary agreement is a key legal instrument protecting the interests of the parties in transactions that require time, such as securing financing or completing formalities. It constitutes a binding promise to conclude a future agreement.
  • The validity of a preliminary contract depends on the precise definition of the parties, the subject matter, and the essential provisions of the final contract, such as the price. The absence of these elements prevents its legal effectiveness.
  • The form of the preliminary contract is fundamental to its legal validity; a notarial deed enables the conclusion of the final contract to be enforced in court, while the written form limits claims for damages.
  • The deposit and the advance payment differ in their function and legal consequences; the deposit plays a disciplinary and compensatory role, while the advance payment is only a refundable part of the price, affecting the security of the transaction.
  • Signing a preliminary contract is particularly recommended in situations requiring time to obtain financing, regulate the legal status of the property or carry out detailed verification, stabilizing the terms of the transaction.

Signature Estates editorial team

Signature Estates is a company with extensive experience in the premium residential real estate sector. We specialize in delivering top-quality real estate services for both individual clients and investors. Thanks to our expertise and dedication, we support our clients through...

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