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Mer et Demeures : Great selection of sea view apartments and seaside houses in France and abroad

Buying a house in Spain: the list of required documents

To buy a house in Spain, you are required to provide a number of official and administrative documents. From the NIE to the DAFO, here’s a full list of the key documents needed to secure your property purchase in 2025.

Attractive property prices, a pleasant climate, high quality of life, and strong international connections… Spain is an attractive destination for many foreigners, who can take advantage of a wide range of houses and apartments for sale on the Iberian Peninsula to make a rental investment or buy a second home by the sea. 

If you are planning to become a homeowner in Spain, don't let a simple administrative oversight spoil your real estate project. Discover the list of documents you need to prepare and consult to make your purchase a success.
 

1. Buyer identification documents
2. Financial documents required for the property purchase
3. Property-related documents in Spain
4. Optional contractual documents
5. Other documents to consult



1. Buyer identification documents

 

To be authorized to buy a house or apartment in Spain, the buyer must show proof of identity. 

To do so, they must present : 

  • valid passport or ID card.
  • Your NIE (Foreigner Identification Number).
 

What is the NIE?
The Número de Identificación de Extranjero is a mandatory tax identification number for all foreigners wishing to buy property in Spain. It is required to open a bank account, sign the deed of sale, and pay property taxes. You can apply for the NIE at the Spanish Consulate in your home country or locally at the Foreigners Office (Oficina de Extranjería).

 

2. Financial documents required for the property purchase

 

If a foreigner wishes to buy a property in Spain, he or she must be able to provide certain financial documents, including :

  • Proof of funds or solvency: bank statements or letters from bank references proving the buyer's financial capacity.
  • Proof of opening a Spanish bank account. Opening an account is required to make payments related to the purchase, and to settle taxes and charges.


3. Property-related documents in Spain

 

In Spain, the purchase of a property requires you to be in possession of a number of documents before you can sign the deed of sale and register the property with the Land Registry. 

  • Nota Simple. This extract from the Spanish Land Registry establishes the legal status of the property: owner, mortgage, debts, easements.... It must be less than 3 months old.
  • Certificate of occupancy (Cédula de Habitabilidad or Licencia de Primera Ocupación).
  • Energy performance certificate (Certificado de Eficiencia Energética).
  • Building inspection reports for older properties, including ITE (Technical Building Inspection) for buildings over 45 years old.
  • DAFO (Declaración Asimilada a Fuera de Ordenación), especially for rural properties often built without permits. 
  • The latest receipt for payment of IBI (Impuesto sobre Bienes Inmuebles), the annual property tax due by all property owners in Spain.
  • Latest paid bills for water, electricity or gas. 
  • Escritura de compraventa. The deed of sale signed before a notary is required to register the property with the Spanish Land Registry.

​​​​

What is a Certificate of Occupancy? 
Issued by the municipal or regional authorities, the certificate of occupancy is an administrative document certifying that the property meets standards of habitability, safety and hygiene. Issued for new, existing and renovated dwellings, it is generally valid for 15 years. It is required to buy, sell or even occupy a property, and to obtain water, electricity and gas connections.

What is the DAFO? 
The DAFO is an administrative declaration that regularizes the status of houses built without planning permission more than 6 years ago, or in breach of planning regulations. While it does not completely legalize the property, it does protect it from demolition, allows it to be used as a residence, and entitles the holder to connection to public utilities (water, electricity, gas, etc.). It does, however, prohibit any future extension. This document is not a certificate of occupancy, as it does not guarantee that the property meets minimum habitability requirements.



4. Optional contractual documents

 

Depending on your situation, you may also present:

  • The deposit contract (contrato de arras). This is a reservation contract that provides proof of payment of a deposit. 
  • The power of attorney if the buyer or seller is represented by a third party at the signing at the notary's office.


5. Additional documents to review

 

Finally, it's always a good idea to read all the documents concerning the property you're about to buy. These vary according to the location and nature of the property: 

  • The co-ownership statutes, especially if you're buying an apartment.
  • Current rental contracts, in the case of a property sold for rent.
  • The technical project, which includes the town planning certificate and building permit for recent constructions or for properties where work has been carried out.
  • Land registry certificate.



To find out more about buying property in Spain, take a look at our other articles on the subject:

Becoming a property owner in Spain, things to know 
The role of a notary in real estate transaction in Spain 
Warranties and insurance for new homes in Spain 
Useful tips for buying off-plan in Spain


 

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