What legal documents are vital for energy-efficient property purchases in Costa del Sol?

When purchasing an energy-efficient property in Costa del Sol, several legal documents are essential to ensure compliance and verify the property's stated energy performance. The most crucial document is the Energy Performance Certificate (EPC), or Certificado de Eficiencia Energética (CEE) in Spanish. This certificate is legally mandatory for all properties sold or rented in Spain and must be provided by the seller. It assigns an energy rating from A (most efficient) to G (least efficient). For new builds, particularly those aiming for high energy efficiency relevant to 2026 standards, you should also request the Constructor's Memory of Qualities (Memoria de Calidades), which details the materials, insulation, and energy systems used. This document allows you to cross-reference the EPC rating with the actual components. Furthermore, it is prudent to review the habitation license (Licencia de Primera Ocupación) which certifies the property meets all building codes, including energy-efficiency standards. For properties claiming specific sustainable certifications, such as BREEAM or LEED, ensure you request documentation proving these accreditations. Your legal representative should conduct thorough due diligence, including verifying the property's registration at the Land Registry (Registro de la Propiedad) and ensuring there are no outstanding debts or charges. They will also review the contract of sale (Contrato de Arras) to include clauses related to the agreed energy efficiency standards and the EPC rating. Understanding and verifying these documents is paramount to legally secure an energy-efficient home in the Costa del Sol.