04.05.2026 - Testowa

Final Agreement – what is it and when is it worth signing?

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What is a final agreement and what role does it play in property purchase?

A final agreement is the concluding document that transfers ownership of a property from one party to another. Unlike earlier stages of the purchase process, this document is not a promise or commitment to conclude a transaction in the future – it is the transaction itself. After signing it, you become the full legal owner of the property.

A promised sales agreement must be concluded in the form of a notarial deed. This is a mandatory legal requirement for transferring property ownership in Poland. A notary verifies the identity of the parties, the legal status of the property, and the completeness of required documents, and then prepares the deed, which serves as the basis for entry in the land and mortgage register.

The final agreement should include:

  • exact identification of the property – apartment number, size, floor, address
  • sale price and payment method
  • seller’s declaration of ownership and lack of encumbrances
  • date of handover of the property to the buyer
  • personal data of both parties

Preliminary agreement vs. final agreement

A preliminary agreement is a commitment to conclude a transaction in the future. It defines the conditions under which the sale will take place, but does not transfer ownership. The final agreement, on the other hand, fulfills that obligation. It completes the entire purchase process.

The difference is legally significant. A preliminary agreement protects both parties and gives the buyer a claim to conclude the final contract. The final agreement is the legal effect itself – the actual transfer of ownership. The time between them usually ranges from several weeks to several months, depending on the construction stage and mortgage approval process.

On the primary market, between reservation and final deed signing, other documents may also apply. A developer agreement is a special protective instrument regulated by law, preceding the final agreement when buying from a developer.

A reservation agreement is the first step, temporarily blocking a unit for a specific buyer before further contracts are signed.

When is the final agreement signed and what are the costs?

The date of the final agreement results from the previously signed preliminary or developer agreement. Usually, the parties set a specific date or a time range within which the transaction must be completed.

It is important to respect this deadline. If one party unjustifiably refuses to sign the deed, the other may pursue their rights in court or claim compensation. In the case of a notarised preliminary agreement, the buyer may even request compulsory transfer of ownership.

The costs of the final agreement are usually borne by the buyer, although the parties may agree otherwise. The total cost includes:

  • notary fee, depending on the property value and regulated by the Ministry of Justice
  • civil transaction tax (PCC) of 2% of the property value – applies to the secondary market; for developer purchases VAT is included in the price
  • court fees for entry in the land and mortgage register
  • cost of notarial deed copies

Final agreement when buying from a developer – what to pay attention to

In primary market transactions, the final agreement is the culmination of the entire process, which includes reservation, developer agreement, and property handover. Before signing it, make sure the developer has obtained all required administrative approvals and that the property has no significant defects not recorded during technical acceptance.

J.W. Construction places strong emphasis on transparency of documentation at every stage of the sales process, so clients know what to expect and what steps they need to take before signing the notarial deed.

If you are considering buying a property and want to see current offers, check:

  • apartments for sale in Warsaw
  • apartments for sale in Gdańsk


available in J.W. Construction developments.

FAQ – frequently asked questions

What is a final agreement?

A final agreement is the document that transfers ownership of real estate. It is concluded in the form of a notarial deed and implements obligations from a prior preliminary or developer agreement.

Is a final agreement the same as a notarial deed?

Yes. A final agreement concerning real estate must take the form of a notarial deed. Without it, the transfer of ownership is not legally valid.

What are the costs of a final agreement?

Costs include notary fees, land and mortgage register fees, and – on the secondary market – a 2% PCC tax. The total usually ranges from several to several dozen thousand PLN depending on the property value.

Does a final agreement transfer ownership?

Yes. The final agreement, unlike a preliminary or developer agreement, results in the actual transfer of ownership rights to the buyer.