Buying guide · Buying process

Off-Plan Stage Payments and Bank Guarantees, Step by Step

By eVoost Legal & Tax Desk Last reviewed 2026-08-24
In short

Purchasing new-build property off-plan in Spain involves stage payments and is legally protected by bank guarantees or insurance policies, ensuring the return of your investment if the developer fails to deliver. This guide outlines the process, legal framework, and tax implications, focusing on the Costa del Sol.

Buying a new-build property off-plan on the Costa del Sol can be an exciting prospect, offering modern designs, customisation options, and often a more competitive price point. However, it also involves making payments before the property is completed. Understanding the system of stage payments and, critically, the legal protections afforded by bank guarantees (aval bancario) or insurance policies (seguro de caución) is paramount for foreign buyers.

This authoritative guide breaks down the process step by step, focusing on the legal and financial safeguards in place, particularly within Andalusia, ensuring your investment is secure.

The Legal Framework for Off-Plan Purchases in Spain

Spain has a robust legal framework designed to protect buyers who make advance payments for properties yet to be built. The primary legislation governing these protections includes Ley 38/1999, de 5 de noviembre, de Ordenación de la Edificación (LOE) and Ley 20/2015, de 14 de julio, de Ordenación, Supervisión y Solvencia de las Entidades Aseguradoras y Reaseguradoras.

Ley 38/1999 (LOE) and Ley 20/2015: Buyer Protection

The Ley de Ordenación de la Edificación (LOE), specifically its Additional Provision One, mandates that developers guarantee the return of all amounts received as advance payments, including applicable taxes, plus legal interest, should the construction not commence or conclude within the agreed timeframe, or if the Certificate of Occupancy (cédula de habitabilidad) or First Occupation Licence (licencia de primera ocupación) is not obtained [22, 31, 36, 41].

This crucial protection was originally established by Ley 57/1968, which was subsequently repealed and its provisions integrated and updated by Ley 20/2015. The newer legislation, which came into effect on 1st January 2016, ensures that these guarantees remain a cornerstone of off-plan property purchases in Spain [15, 17, 26, 29].

Purchase costs & taxes calculator

Cost breakdown
ItemAmount
VAT (IVA 10%)€35,000
Stamp duty (AJD)€4,200
Notary fees *€850
Land registry *€545
Administrative fees *€400
* estimated — varies by property and provider
Total added costs €40,995
Total outlay (price + costs) €390,995

11.7% of the price

Applied rates (Andalucía): new build VAT 10% + AJD 1.2%; resale ITP 7.0%.

Indicative conversion from euros. Rates as of 2026-08-01 (refreshed live when available).

Estimate only, not tax advice. New-build VAT and AJD are national/regional rates; resale ITP can be banded by property value in some regions. Confirm the applicable figures with a lawyer or tax adviser before buying.

Understanding Off-Plan Stage Payments

When purchasing a new-build property off-plan, payments are typically structured in stages, aligning with the construction progress. This payment schedule is agreed upon in the private purchase contract (contrato de compraventa privado) signed between the buyer and the developer.

A typical payment structure might look like this:

  1. Reservation Deposit: An initial payment, usually a few thousand euros, to reserve the property and take it off the market. This is often followed by a short period for legal due diligence.
  2. Private Purchase Contract (PPC) Payment: Upon signing the private purchase contract, typically within a month of reservation, a larger percentage of the property’s price is due, often around 10% of the total purchase price (minus the reservation deposit) 23.
  3. Stage Payments During Construction: Further payments are made as the construction progresses, often quarterly or linked to specific construction milestones (e.g., completion of foundations, structure, roof). These cumulative payments usually amount to another 10% to 20% of the purchase price 23.
  4. Completion Payment: The remaining balance, typically 60% to 80% of the purchase price, is paid upon completion of the property, when the public deed of sale (escritura pública de compraventa) is signed before a Notary Public, and keys are handed over. This payment is often facilitated by a mortgage.

The Essential Role of Bank Guarantees (Aval Bancario) and Insurance Policies (Seguro de Caución)

The legal provisions ensure that all amounts paid by the buyer prior to the property’s completion and formal handover must be guaranteed. This guarantee can take one of two forms:

Crucially, the developer is legally obliged to provide the buyer with an individual bank guarantee or insurance policy for all payments made on account, including the reservation deposit [7, 14, 23, 36, 41]. These guarantees must cover the full amount paid, plus the legal interest rate applicable at the time [14, 22, 36, 41].

Key Protections for Off-Plan Buyers

Step-by-Step Process for Securing Your Investment

Foreign buyers should follow these steps to ensure their off-plan investment is properly protected:

  1. Due Diligence on the Developer and Project: Before making any payment, conduct thorough research on the developer’s track record and verify the project’s legal status, including planning permissions (licencia de obras).
  2. Review the Private Purchase Contract (PPC): Ensure the PPC clearly stipulates the payment schedule, completion date, and the developer’s obligation to provide bank guarantees or insurance policies for all advance payments.
  3. Demand an Individual Guarantee: For every stage payment made, ensure you receive an individual bank guarantee (aval bancario) or insurance certificate (certificado de seguro de caución) from the developer’s bank or insurer. This document should explicitly state the amount guaranteed, the property it relates to, and your name as the beneficiary [14, 23, 26, 36].
  4. Verify the Dedicated Bank Account: Confirm that payments are made into a special, separate bank account opened by the developer for the project, as required by law [26, 31, 41].
  5. Monitor Construction Progress: Stay informed about the construction progress relative to the agreed-upon timeline.
  6. Claim if Necessary: If the developer fails to meet the contractual obligations (e.g., significant delays, failure to complete), seek legal advice immediately to initiate a claim for the return of your funds plus legal interest, first from the developer and then from the guarantor if the developer defaults [22, 41].
  7. Sign Public Deed and Cancel Guarantee: Once the property is complete and has its First Occupation Licence, you will proceed to sign the public deed of sale before a notary. At this point, the bank guarantee’s purpose is fulfilled [22, 26].

Tax Implications of Off-Plan Payments

When purchasing a new-build property off-plan on the Costa del Sol (Andalusia), two main taxes apply to the purchase price:

It’s important to budget for these taxes in addition to the property’s purchase price. For example, on a €300,000 new-build property in Andalusia, the buyer would pay €30,000 in IVA and €3,600 in AJD, totaling €33,600 in these specific taxes alone [10, 34].

Important Considerations and Due Diligence

While the legal framework in Spain provides significant protection for off-plan buyers, proactive due diligence is essential:

Conclusion

Purchasing a new-build property off-plan on the Costa del Sol can be a rewarding investment, especially with the safeguards provided by Spanish law. By understanding the stage payment process, insisting on proper bank guarantees or insurance policies, and conducting thorough due diligence with independent legal advice, foreign buyers can confidently navigate their new-build property journey in Andalusia. These protections are designed to provide peace of mind, ensuring that your significant investment is secure from reservation to key handover.

Frequently asked questions

What is an 'aval bancario'?

An 'aval bancario' is a bank guarantee, a financial instrument provided by a bank that ensures the return of your advance payments for an off-plan property if the developer fails to complete the construction or deliver the property on time. It is a legal requirement in Spain for off-plan purchases.

What is the IVA rate for new-build properties in Andalusia?

The Value Added Tax (IVA) rate for new-build properties in Andalusia, as in most of mainland Spain and the Balearic Islands, is currently 10% of the purchase price. This tax is paid on each stage payment made to the developer.

What is AJD and how much is it in Andalusia for new-builds?

AJD stands for 'Actos Jurídicos Documentados' or Stamp Duty. In Andalusia, for new-build properties, the Stamp Duty rate is currently 1.2% of the purchase price, applied to the public deed of sale signed before a Notary Public.

What happens if my developer delays the construction or doesn't complete the property?

If the developer delays construction significantly or fails to complete the property, you have the right to terminate the purchase contract. Your bank guarantee or insurance policy will ensure the return of all amounts you've paid in advance, plus legal interest, provided you initiate a claim within two years of the developer's breach.

When does the bank guarantee expire?

The bank guarantee or insurance policy remains active until the property is completed, the First Occupation Licence is issued, and the property is delivered to you. It will also expire if you do not formally claim within two years of the developer's non-compliance with the contract.

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