NIE, Bank Account & Paperwork: The Foreign Buyer's Checklist

The paperwork involved in buying property in Spain is not especially complex, but it is specific — and for international buyers, getting it right from the start saves weeks of delay. This checklist covers every document and registration you need, from the first offer to the notary signing and beyond, written from the perspective of an independent buyer-side advisor who coordinates the entire process for international clients.

All figures are indicative, provided for educational purposes only, and must be confirmed with a qualified Spanish lawyer or tax advisor. Last updated 2026.

What Is an NIE and Why Do You Need One?

The NIE (Número de Identidad de Extranjero) is your Spanish foreigner identification number. It is not a visa or a residency permit — it is a tax identification number assigned to every foreigner who conducts financial or legal transactions in Spain. You cannot buy property, open a bank account, file taxes, sign at the notary, or connect utilities without one. It is the single most important document in the entire process.

You can apply for an NIE in two ways: through a Spanish consulate in your home country (before you travel), or in Spain through a police station or your lawyer once you arrive. If you grant your lawyer a power of attorney, they can obtain it on your behalf in Spain. Processing typically takes one to three weeks. The NIE is issued on a certificate and remains valid indefinitely — you keep the same number for life.

Why Do You Need a Spanish Bank Account?

A Spanish bank account is essential for the practical mechanics of ownership. You need it to pay the arras deposit and the final purchase balance, to set up utilities (electricity, water, gas, internet), to pay your annual property taxes (IBI), to pay community fees, and to service a Spanish mortgage if you have one. Most major Spanish banks offer non-resident accounts, though the documentation requirements are stricter than for residents.

To open a non-resident account, you typically need your passport, your NIE (or proof of NIE application), proof of address in your home country, and proof of the source of funds. Some banks allow the account to be opened remotely with your lawyer's assistance; others require an in-person visit. Your buyer's agent can recommend banks experienced with non-resident international clients.

The Complete Foreign Buyer's Paperwork Checklist

The table below sets out every document and registration you need, when you need it, and who handles it. Your lawyer and buyer's agent manage most of the filings — but you should gather your personal documents before starting the search.

Note: Requirements can vary by autonomous community and personal circumstances. Non-EU buyers may face additional documentation. Always confirm the current checklist with your Spanish lawyer before starting.

What Is the Empadronamiento and Do You Need It?

The empadronamiento (certificado de empadronamiento) is your municipal registration — the record that you live at a specific address in a given municipality. You register at the local town hall (ayuntamiento). It is not a residency permit, but it is required for many practical aspects of Spanish life: enrolling children in school, accessing public healthcare (if eligible), registering a vehicle, and sometimes for visa and residency applications.

If you will live in the property you buy, you should complete the empadronamiento after the purchase. If you are buying as a non-resident investment or second home and will not live there, you do not need it for that property. Your lawyer can advise on whether it applies to your situation.

What Tax Registrations Do Non-Residents Need?

Non-resident property owners have ongoing tax obligations in Spain, even if they do not rent out the property. Spain levies a non-resident income tax (IRNR) on an imputed income from property ownership each year — meaning you owe tax simply for owning the property, whether or not it generates income. If you do rent it out, you owe tax on the rental income. You may also be subject to wealth tax on Spanish assets above certain thresholds.

To manage these obligations, your lawyer or tax advisor registers you in the taxpayer census (via Form 036) and files the relevant annual returns (typically Form 210 for non-resident income tax). This is a recurring annual obligation, not a one-time filing at purchase. We always recommend engaging a Spanish tax advisor for ongoing compliance.

What If You Cannot Attend the Notary in Person?

If you cannot travel to Spain for the notary signing, you can grant your lawyer a power of attorney (poder notarial) to sign the escritura on your behalf. The power must be granted before a notary in your home country, legalised (apostilled under the Hague Convention for participating countries), and translated into Spanish by a sworn translator. Once your lawyer holds it, they can sign the arras, the final deed, and handle tax and registry filings remotely. This is how most fully remote purchases are completed.