What legal due diligence is essential for advertised new-build prices?

Updated 13 April 2026 By Hans Beeckman
Hans Beeckman Hans Beeckman · Senior Real Estate Advisor
Published 13 January 2026 ·Updated 13 April 2026

New-build due diligence requires verifying that advertised prices include mandatory 10% IVA + 1.2% AJD stamp duty, confirming developer bank guarantees (legally required for off-plan), and checking building licenses cost €2,000–5,000 to obtain. Independent legal review typically costs 1.5–2.5% of purchase price but prevents costly disputes.

Price Transparency Requirements Under Spanish Consumer Law

Spanish consumer protection law (Ley General para la Defensa de los Consumidores) mandates that all advertised new-build prices must clearly state whether they include mandatory taxes. In 2025, this means 10% IVA (VAT) plus 1.2% AJD stamp duty on the purchase price. Developers who advertise €300,000 properties must clarify if this excludes the additional €33,600 in taxes (INE 2025). Misleading price advertising can result in penalties of €3,006–€600,000 under consumer protection regulations.

Professional legal review typically costs 1.5–2.5% of the purchase price but identifies critical issues early. Our legal partners routinely discover price discrepancies where developers attempt to charge extras like utility connections (€400–800 for electricity) or community setup fees (€500–1,500) that should be disclosed upfront. The Junta de Andalucía requires all costs beyond the base price to be itemized in marketing materials.

Developer Financial Health and Licensing Verification

Developer insolvency affects approximately 8% of off-plan projects on the Costa del Sol annually (Colegio de Registradores 2025). Essential checks include confirming the building license (Licencia de Obras) is valid and specific to the project—not a generic permit. Obtaining these licenses typically costs developers €2,000–5,000 per project and can take 6–18 months in Málaga province.

Bank guarantee verification is legally mandatory for off-plan purchases exceeding €9,000. These guarantees must cover 100% of payments made before completion and cost developers 0.5–1.5% annually of the guaranteed amount. In 2024-2025, we've seen increased scrutiny from buyers after several Costa del Sol developers defaulted without proper guarantees in place, leaving purchasers with losses averaging €45,000 per case.

Land Registry and Title Verification Process

Independent Land Registry checks cost €30–60 per property but reveal crucial ownership details and encumbrances. In Málaga province, approximately 12% of new-build plots carry undisclosed charges or restrictions that affect final pricing (Colegio de Registradores). Professional verification confirms the developer owns the land outright—critical when land acquisition costs range from €150–280/m² in Fuengirola/Mijas to €400–800/m² on Marbella's Golden Mile.

Construction quality verification requires independent surveyor reports costing €800–1,500. With Costa del Sol construction costs ranging €1,200–2,500/m² depending on specifications, buyers need assurance that advertised finishes match actual delivery. We regularly identify cases where developers substitute materials, potentially reducing property value by 10–15% upon completion.

Contract Review and Professional Guidance

The private purchase agreement (Contrato de Arras) should specify penalty clauses for developer delays—typically 0.5–1% of purchase price per month of delay. Without these clauses, buyers have limited recourse when projects overrun by 12–24 months, which affects 30% of Costa del Sol developments (APCE 2025). Payment schedules should never exceed 40% before completion, with remaining amounts held in escrow.

Professional legal fees averaging 1.5–2.5% of purchase price provide essential protection against issues that could cost significantly more to resolve later. Emma, our advisory platform, connects buyers with vetted legal professionals who specialize in Costa del Sol new-build transactions and maintain updated databases of developer track records and licensing status. Early legal intervention in the due diligence phase prevents the majority of costly disputes that arise from inadequate initial property assessment.

Frequently Asked Questions

What taxes must be included in advertised new-build prices?

Advertised prices should clarify whether they include the mandatory 10% IVA (VAT) and 1.2% AJD stamp duty. A €300,000 property incurs €33,600 in additional taxes if not included in the advertised price.

How much do legal checks cost for new-build due diligence?

Professional legal review typically costs 1.5–2.5% of the purchase price. Land Registry checks cost €30–60, while independent surveyor reports cost €800–1,500, providing essential protection against costly issues.

Are developer bank guarantees mandatory for off-plan purchases?

Yes, Spanish law requires bank guarantees covering 100% of payments for off-plan purchases exceeding €9,000. These guarantees cost developers 0.5–1.5% annually and protect buyers if projects aren't completed.

What building licenses should developers possess?

Developers need a valid building license (Licencia de Obras) specific to their project, costing €2,000–5,000 to obtain. Generic permits are insufficient, and license verification prevents issues with properties lacking proper authorization.

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Hans Beeckman

Hans Beeckman

Senior Real Estate Advisor

Over 35 years of combined experience within our founding team

Content reviewed and verified by API-Accredited Property Specialist Hans Beeckman — Senior Real Estate Advisor & Costa del Sol Specialist.

Professional Qualifications

  • Accredited Property Specialist (APS) - National Association of REALTORS® (2015)
  • Licensed Real Estate Agent