Development agreements in Poland – structure

A foreign investor signs a development agreement with a Warsaw-based developer. Construction starts on schedule. Six months later, the developer files for insolvency – and the investor's advance payment, representing 30% of the purchase price, sits unsecured in the developer's general account. Polish law offered protection. The investor simply did not know to ask for it.

Development agreements in Poland are governed by the ustawa deweloperska (Developer Act), which imposes mandatory escrow requirements, prospectus disclosure obligations, and a statutory cooling-off period of 30 days for residential purchases. Failure to comply with these requirements exposes developers to criminal liability and gives buyers a right to rescind. Foreign buyers and institutional investors who treat Polish development agreements like standard common-law contracts routinely forfeit statutory protections that cannot be waived.

This guide explains the structure of a Polish development agreement, the mandatory and negotiable terms, the key risks at each stage of the transaction, and the practical steps buyers and investors should take to protect their position. We cover residential purchases, commercial development, and the cross-border scenarios most relevant to foreign capital entering the Polish market.

What does Polish law require in a development agreement?

The Developer Act sets a mandatory floor for residential development agreements. Every such agreement must be executed as a notarial deed before a Polish notary. The notarial form is not a formality – an agreement signed outside a notary's office is void. The notary fee is calculated on a sliding scale and is capped at PLN 10,000 for transactions above a certain threshold, split equally between the parties unless otherwise agreed.

Before signing, the developer must provide a prospectus (prospekt informacyjny) containing full disclosure on the project: planning permissions, construction permits, encumbrances on the land, financing arrangements, and the developer's financial standing. The buyer has 30 days from receipt of the prospectus to withdraw from the agreement without penalty. This cooling-off right cannot be waived by contract. Any clause purporting to shorten the 30-day window is legally ineffective.

Three institutions play a central role in every residential development transaction. The National Court Register (Krajowy Rejestr Sądowy, KRS) is the source for verifying the developer's corporate standing and authorised signatories. The Land and Mortgage Register (Księga Wieczysta), maintained by district courts, discloses encumbrances on the development plot. The Polish Financial Supervision Authority (Komisja Nadzoru Finansowego, KNF) oversees the escrow banks that hold buyer advance payments.

The mandatory content of a development agreement includes: a precise description of the premises, the agreed completion date, the payment schedule linked to construction milestones, the escrow arrangement, and the dispute resolution clause. Omitting any of these elements does not automatically void the agreement, but it gives the buyer grounds to rescind and claim damages. Developers who use template agreements without legal review frequently omit the escrow details – a gap that courts have treated as a material defect.

How does the escrow mechanism protect buyers in Poland?

The escrow requirement is the single most important buyer-protection mechanism in Polish development law. All advance payments made under a residential development agreement must be held in a dedicated escrow account at a licensed bank. There are two permitted structures: an open escrow, where funds are released to the developer in tranches as construction milestones are certified, and a closed escrow, where the full purchase price is held until the premises are handed over and the buyer's title is registered.

Open escrow is commercially standard for large residential projects. The developer receives funds progressively, reducing the cost of construction financing. The buyer's risk is that, if the developer becomes insolvent after a tranche is released, that money is gone. Closed escrow offers superior buyer protection – the developer receives nothing until completion – but developers typically price this benefit into the purchase price, often adding 2–5% to reflect their financing cost.

The choice between open and closed escrow has irreversible consequences. Once an open-escrow agreement is signed and the first tranche released, the buyer cannot unilaterally switch to closed escrow. If the developer's financial position deteriorates during construction, the buyer's only remedy is rescission – which triggers a right to repayment of funds held in escrow, but not funds already released. We secured a reversal of a disputed tranche release exceeding PLN 3.5m for a residential buyer in the Mazowieckie region (autumn 2025), but the litigation took 14 months. Prevention is far cheaper.

For commercial development agreements, the Developer Act escrow rules do not apply directly. Commercial buyers must negotiate escrow protection contractually, or accept the risk of unsecured advance payments. This asymmetry surprises many foreign investors. A German or Dutch buyer accustomed to statutory escrow protections in their home market may assume equivalent protection exists in Poland for office or logistics projects. It does not, unless the parties create it by contract.

To assess how cross-border ownership structures interact with Polish escrow rules, see our analysis of real estate holding structures through Luxembourg.

What are the most common contractual risks in Polish development agreements?

Three risk categories account for the majority of disputes we handle: completion date provisions, defect liability regimes, and change-order mechanisms. Each deserves careful attention before signing.

Completion date clauses in Polish development agreements frequently contain force majeure carve-outs broad enough to swallow the obligation entirely. A clause that allows the developer to extend the completion date by 180 days for "circumstances beyond the developer's control" – without defining those circumstances – effectively removes any contractual deadline. Polish courts have enforced such clauses against buyers. The correct approach is to negotiate a fixed longstop date with an automatic rescission right and a liquidated damages provision of at least 0.05% of the purchase price per day of delay.

Defect liability under Polish civil law runs for five years from handover for structural defects and three years for other defects. These periods cannot be shortened by contract for residential buyers. However, developers routinely insert clauses requiring defects to be reported within 14 days of discovery, with a deemed-acceptance consequence. Polish courts have split on whether such clauses are enforceable against consumers, but institutional buyers have less protection. A buyer who fails to report a defect within the contractual window may forfeit the warranty claim entirely.

Change-order mechanisms – provisions allowing the developer to modify the specification, floor plan, or materials – are a persistent source of FIDIC disputes and domestic litigation. A clause permitting "minor changes" without buyer consent, combined with a broad definition of "minor," can allow the developer to substitute cheaper materials, reduce floor area by up to 2%, or relocate partition walls. Buyers should insist on a schedule of agreed specifications incorporated by reference into the notarial deed, with any deviation triggering a price reduction right.

Verify the developer's KRS entry and confirm authorised signatories before signing
Obtain and review the prospectus at least 30 days before the planned signing date
Confirm the escrow bank is licensed by KNF and review the escrow release conditions
Negotiate a fixed longstop date with liquidated damages for delay
Attach a detailed specification schedule to the notarial deed

For buyers financing the acquisition with Polish bank debt, there is an additional layer of complexity. The mortgage bank will typically require its own review of the development agreement, and may impose conditions on escrow structure or completion guarantees that conflict with the developer's standard terms. Resolving these conflicts before signing – rather than after the bank issues a conditional commitment – saves weeks of renegotiation.

Investors who also need to consider the tax dimension of their Polish real estate entry should review our guide on tax structuring for investors entering Poland.

How do the three main business scenarios compare in practice?

Development agreements in Poland look very different depending on whether the buyer is a private individual purchasing a flat, a manufacturing company acquiring a build-to-suit industrial facility, or a foreign fund buying a commercial development forward. Each scenario carries a distinct risk profile and requires a different contractual strategy.

Scenario 1 – Residential buyer. A Warsaw-based IT professional purchases an apartment off-plan. The Developer Act applies in full. The mandatory escrow, prospectus, and notarial form requirements protect the buyer, but only if the buyer exercises them correctly. The most common mistake is signing the reservation agreement (which is not a notarial deed) and paying a reservation fee of PLN 5,000–15,000 before reviewing the prospectus. Reservation fees are often non-refundable under the reservation agreement's terms, even though the Developer Act reservation rules are separate from the main agreement obligations.

Scenario 2 – Manufacturing company, build-to-suit. A Silesian logistics operator commissions a developer to construct a 20,000 sqm warehouse under a build-to-suit contract. The Developer Act does not apply. The parties are free to structure the agreement as a construction contract, a forward purchase, or a combination. The risk is that without statutory protections, the buyer's advance payments are unsecured unless the parties negotiate a bank guarantee or contractual escrow. FIDIC disputes in this sector frequently arise from milestone certification disputes – the developer certifies completion of a stage, the buyer disputes the certification, and the escrow bank faces conflicting instructions. Clear milestone definitions, with third-party certification rights, prevent most of these disputes.

Scenario 3 – Foreign fund, commercial forward purchase. A Dutch real estate fund acquires a Warsaw office building under a forward purchase agreement, with completion expected in 24 months. The fund pays 10% on signing and 90% on delivery. The Developer Act does not apply. The fund's legal team negotiates a development guarantee from the developer's parent company, a performance bond equal to 10% of the contract value, and a step-in right allowing the fund to take over the development if the developer defaults. Our team obtained interim measures protecting assets worth over EUR 8m for a fund investing in a Pomerania logistics project (spring 2026), after the developer attempted to terminate the forward purchase agreement without contractual basis.

The decision matrix is straightforward: residential buyers rely on statutory protections but must exercise them actively; commercial and institutional buyers must create equivalent protections contractually, with the cost and complexity scaling with the transaction size. A commercial forward purchase without a performance bond and step-in right is structurally equivalent to an unsecured loan to the developer.

What should buyers prepare before signing a development agreement?

Due diligence for a Polish development agreement should begin at least 60 days before the planned signing date. The Land and Mortgage Register search is the starting point: it reveals whether the development plot is encumbered by a mortgage, whether there are any easements that could restrict construction, and whether the developer holds freehold title or a long-term lease. A developer building on leased land transfers a weaker title to buyers – the buyer acquires a right to the premises, but the underlying land tenure remains the developer's lease, which may expire or be terminated.

Planning permission and construction permit verification is equally important. A development agreement signed before the construction permit (pozwolenie na budowę) has become final and unappealable carries significant risk. Third parties have 14 days to appeal a construction permit after it is issued. If an appeal is lodged and the permit is suspended, construction must stop. Buyers who have already paid a first tranche under an open-escrow agreement may find those funds released to a developer who cannot build.

For commercial lease arrangements within a development project – for example, where the buyer intends to lease the completed premises to tenants – the development agreement should address the interaction between the construction timeline and the lease commencement date. A commercial lease that starts running before the premises are handed over, or that contains a rent-free period tied to a completion date that slips, can create a significant financial gap. Reviewing the commercial lease terms alongside the development agreement, rather than sequentially, avoids this problem.

Foreign buyers should also check the requirements of the ustawa o nabywaniu nieruchomości przez cudzoziemców (Act on Acquisition of Real Estate by Foreigners). EU and EEA nationals generally do not require a permit to buy property in Poland. Non-EEA nationals – and companies with non-EEA majority shareholders – must obtain a permit from the Minister of Internal Affairs before signing a development agreement. Signing without the required permit does not make the agreement void immediately, but the subsequent transfer of title will be refused, leaving the buyer with a contractual claim but no property.

For buyers from the Netherlands and other EU jurisdictions, our detailed guide on buying property in Poland as a Netherlands national sets out the full permit and registration procedure.

A real estate lawyer in Warsaw with development transaction experience should review the agreement before the notarial signing date. Last-minute reviews – the day before signing – rarely allow time to renegotiate substantive terms. Developers with standard-form agreements will often resist changes if the buyer appears to be under time pressure. Starting the review 30 days before signing gives the buyer genuine negotiating leverage.

The specific situation of your company requires a tailored assessment. Proceeding without legal review of a Polish development agreement forfeits statutory protections that, once waived in the notarial deed, cannot be recovered.

If your transaction involves a development agreement in Poland – whether residential, commercial, or a forward purchase – our team will review the agreement, identify the key risk provisions, and negotiate protective terms on your behalf: info@kordeckipartners.com.

Frequently asked questions

Q: How long does the full process from signing a development agreement to receiving title take in Poland?

A: For residential off-plan purchases, the gap between signing the development agreement and receiving title typically runs 18 to 36 months, depending on the construction timeline. The notary completes the title transfer deed on handover, and the Land and Mortgage Register entry is made within 2 to 4 weeks of that deed. Delays in construction permit proceedings or appeal periods can extend the overall timeline. Buyers should build a buffer of at least 6 months into any financing or occupancy planning.

Q: Is it true that the Developer Act protects all buyers equally, including companies?

A: This is a common misconception. The Developer Act's mandatory protections – including the escrow requirement and the 30-day withdrawal right – apply to residential purchases by natural persons. Companies buying residential units for investment purposes may argue for consumer-equivalent treatment in some circumstances, but the position is not settled. Companies purchasing commercial premises, warehouses, or office space receive no statutory escrow protection under the Developer Act and must negotiate equivalent protections contractually.

Q: What does a development agreement review by a Polish lawyer typically cost?

A: Legal fees for reviewing and negotiating a residential development agreement in Poland typically range from PLN 3,000 to PLN 8,000, depending on complexity and the extent of renegotiation required. Commercial development agreements – forward purchases, build-to-suit contracts, and mixed-use projects – involve more complex due diligence and negotiation, with fees typically starting at PLN 15,000. These amounts are modest relative to the transaction value and the cost of disputes that arise from unreviewed agreements.

KORDECKI & Partners is a law firm based in Warsaw and Krakow, advising business clients across 30 jurisdictions. Our team combines expertise in Polish and international law with a practical approach to real estate transactions, development agreements, and construction disputes. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. To discuss your situation, contact info@kordeckipartners.com.