Buying property in Portugal is an exciting journey, whether you're relocating, investing, or looking for a vacation home. But like any property transaction, the legal process includes several important steps. One of the most crucial is the promissory contract, known locally as the Contrato de Promessa de Compra e Venda (CPCV). This legally binding agreement lays the foundation for a secure property transaction between the buyer and the seller.In this article, we’ll explain what a promissory contract is, why it matters, and what you need to know before signing one — especially if you’re navigating the Portuguese real estate market for the first time.
What Is a Promissory Contract?
A promissory contract in real estate is a formal agreement signed between a buyer and a seller in which both parties commit to completing the property transaction under previously agreed-upon conditions. In Portugal, this step typically takes place after initial negotiations are completed and just before the final deed (escritura) is signed.This contract protects both parties, ensuring that the buyer will proceed with the purchase and the seller will transfer ownership of the property under the outlined terms. It is a critical legal step in Portugal’s property buying process.
Why Is the Promissory Contract Important?
The promissory contract in real estate serves several purposes. First and foremost, it formalizes the intent of both parties to move forward with the transaction. It provides a clear timeline for completion, spells out the terms and conditions of the sale, and outlines any penalties in case of default by either party.For buyers, this is especially important because it effectively “locks in” the property, preventing the seller from backing out or entertaining other offers. For sellers, it offers protection and compensation if the buyer fails to complete the purchase without valid reason.

Key Elements in a Promissory Contract
When signing a promissory contract Portugal requires that it include specific details to be legally valid. These include:
- Identification of both parties (buyer and seller)
- Description of the property, including registration and title information
- Agreed purchase price and payment schedule
- Amount of the initial deposit (commonly 10% to 20%)
- Date or conditions under which the final deed will be signed
- Penalties for breach of contract by either party
- Any special conditions (e.g., pending mortgage approval, renovations, or licensing issues)
This contract is usually drafted by a lawyer or notary to ensure it complies with Portuguese law and reflects the interests of both parties. It’s typically signed in person but can also be done via power of attorney if one of the parties is abroad.
Legal Implications of Promissory Contracts
The legal implications of promissory contracts in Portugal are significant. Once signed, the contract is legally binding. If either party fails to meet their obligations, the other has the right to pursue legal remedies.If the buyer pulls out of the deal without a legally valid reason, they forfeit the deposit paid to the seller. On the other hand, if the seller withdraws from the sale unjustifiably, they may be required to return double the deposit to the buyer. These terms act as a safeguard and provide financial reassurance to both sides.In many cases, the promissory contract includes a clause allowing the buyer to seek specific performance — that is, to request a court order requiring the seller to complete the transaction.That’s why we always recommend that clients have a qualified legal advisor review the contract before signing, to fully understand the legal implications of promissory contracts and ensure that no unfavorable conditions are hidden in the fine print.
When Should You Sign?
Typically, signing a promissory contract Portugal comes after due diligence has been completed — meaning that the property's legal status has been verified, debts or liens have been checked, and the buyer is comfortable with the condition of the property.At Portugal Investment Properties, we help coordinate this process by working closely with trusted lawyers and real estate professionals to carry out all necessary checks before you reach the promissory stage. We ensure our clients feel confident that they are moving forward with a sound investment.
Can a Promissory Contract Be Cancelled?
While a promissory contract is binding, it can be cancelled under certain conditions:
- Mutual Agreement: If both parties agree to terminate the contract, they may do so legally without penalties, often by signing a formal termination agreement.
- Breach of Contract: If one party breaches the terms, the other party can pursue remedies, including financial compensation or legal action.
- Unfulfilled Conditions: If specific conditions listed in the contract (such as securing financing) are not met, the contract can sometimes be voided without penalty.
As always, each case is unique and should be handled with legal support to avoid disputes.
Final Thoughts
The promissory contract in real estate transactions in Portugal is more than just a formality — it's a powerful legal tool that protects your rights and investment. Whether you're buying a beachfront villa in the Algarve, a modern apartment in Lisbon, or a quiet countryside home in Central Portugal, understanding this step is essential.At Portugal Investment Properties, we are committed to guiding our clients through each stage of the property buying process. From the first viewing to signing a promissory contract Portugal and beyond, our goal is to ensure you feel supported, informed, and protected every step of the way.If you have questions about the legal implications of promissory contracts or need help drafting or reviewing one, get in touch with our team. We're here to make your property journey in Portugal smooth and secure.