The EX-15 form is the official application submitted in Spain to obtain an NIE number (Número de Identidad de Extranjero), a unique identification number for foreigners. An NIE is essential for formalities such as buying a property, opening a bank account or signing a contract. The application is submitted in person at a police station or foreigners' office, or through a representative.

What is the EX-15 form and where can I download it?
EX-15 is the official document submitted to obtain an NIE number. The form can be:
- download from the official website of the Spanish Ministry of the Interior (link to the form),
- collect in person at the police station in Spain.
What is the NIE number needed for?
The NIE number is mandatory for foreigners who wish to carry out formal transactions in Spain. Without it you cannot, among other things:
- sign property purchase contracts,
- open a bank account,
- pay local taxes.
How do you fill in the EX-15 form?
- Section I – Personal details: first name, surname, date and place of birth, nationality, passport or ID card number and current home address (it may be in Poland).
- Section II – Reason for requesting the NIE number: the reason for applying, e.g. "Purchase of a property in Spain" (in Spanish: Compra de una propiedad en España).
- Section III – Contact details: the telephone number and e-mail address through which the officials can contact you if necessary.
- Signature: your signature and the date of the application at the end.
Where and how do I submit the EX-15 form?
- In person in Spain: at the local police station (Comisaría de Policía) or the foreigners' office (Oficina de Extranjería). Some regions require an appointment in advance, so it is worth checking this beforehand.
- Through a representative: if you cannot travel to Spain, an authorised representative, e.g. an estate agency, can submit the application on your behalf. Important: a power of attorney is valid only if it was signed before a Spanish notary.
What documents are required?
- a completed EX-15 form,
- a copy of your passport (the page with your personal details),
- proof of payment of the administrative fee (approximately EUR 10–12, depending on the region),
- additional documents confirming the purpose of the application, e.g. a preliminary contract to purchase the property.
How long does it take to obtain an NIE number?
The waiting time depends on the region. In most cases it takes from a few days to two weeks. In larger cities it may be longer because of the higher number of applications.
How can an agency help me obtain an NIE number?
As an estate agency, we help with the entire process of obtaining an NIE number. Our team:
- will advise you on how to complete the EX-15 form correctly,
- will organise all the necessary documents,
- book an appointment at the relevant office,
- will handle the entire process on your behalf if you cannot travel to Spain in person.
Frequently asked questions
Do I need an NIE number to buy a property in Spain?
Yes. Without an NIE number you cannot sign a property purchase contract or pay local taxes.
How much does it cost to submit the EX-15 application?
The administrative fee is approximately EUR 10–12, depending on the region. Proof of payment is attached to the application.
Can I get an NIE without travelling to Spain?
Yes, the application can be submitted by a representative, e.g. an estate agency. The power of attorney must be signed before a Spanish notary.
How long do you have to wait for an NIE number?
Most often from a few days to two weeks. In larger cities the waiting time may be longer.
Can a Polish address be given on the EX-15 form?
Yes. In the personal details section you enter your current home address, which may be in Poland.
Aria Spain (a licensed agency, RAICV no. 4123) helps buyers of new properties on the Costa Blanca, Costa Calida and Costa del Sol to obtain an NIE number, open a bank account and complete the formalities at the notary, and the buyer pays no commission. Book a free consultation or use the form: Book a free consultation by phone or online.






