Foreign BuyersUpdated 27 March 2026

What Documents Do Foreign Buyers Need?

Quick Answer

Foreign buyers need a valid passport, a NIE number, proof of funds, and a Spanish bank account. Your lawyer will advise on any additional documentation.

AI Summary

1Valid passport is the primary identity document
2NIE number is essential and must be obtained early
3Proof of funds is required by the notary and anti-money laundering regulations
4Spanish bank account simplifies payments and ongoing cost management
5Power of attorney enables your lawyer to act on your behalf

Key Takeaways

Passport plus NIE are the two essential documents
Proof of funds satisfies anti-money laundering requirements
Spanish bank account recommended for purchase and ongoing costs
Power of attorney enables remote completion

Foreign buyers purchasing property in Costa del Sol need: a valid passport, a NIE number (Spanish tax ID for foreigners), proof of funds (bank statements), a Spanish bank account (for payments and ongoing costs), and power of attorney if completing remotely. A mortgage pre-approval letter is also needed if financing the purchase.

Valid passport

Your passport is your primary identity document for the entire purchase process. You will need certified copies at multiple stages. Ensure your passport is valid for the expected duration of the purchase process and ideally for several years beyond.

NIE number

Your Numero de Identificacion de Extranjero is required for all contracts, tax payments and Land Registry registration. Apply as early as possible in the process.

Proof of funds and anti-money laundering documents

Spanish anti-money laundering regulations require buyers to demonstrate the legitimate source of their funds. Bank statements covering the purchase amount, proof of salary or business income, or documentation of a property sale or inheritance may be required. Your lawyer will advise on what is needed for your specific situation.

Spanish bank account

A Spanish bank account is strongly recommended. It simplifies stage payments, completion day payment, and ongoing cost management including community fees, utilities and IBI. Opening an account requires your passport and NIE number.

Power of attorney

If you cannot attend every stage in person, a Spanish power of attorney authorises your lawyer to sign documents and make payments on your behalf. It needs to be notarised either in Spain or in your home country with an apostille.

Why This Matters in Costa del Sol

Costa del Sol agents and lawyers are highly experienced at guiding international buyers through document requirements. The process is well-established and any reputable legal team will provide a clear checklist tailored to your situation.

Common Mistakes to Avoid

Not gathering proof of funds documents early

Anti-money laundering documentation requirements can be extensive. Start compiling bank statements and evidence of fund sources from the moment you begin your search.

Not opening a Spanish bank account until just before completion

Open a Spanish bank account as early as possible in the process. It simplifies everything from stage payments to completion day.

Real-World Example

A US buyer was purchasing a villa in the Golden Mile. They had their passport and NIE organised quickly. The slight delay came from gathering anti-money laundering documentation showing the source of their substantial funds. Their Spanish lawyer guided them on exactly what was needed and the documentation was compiled within two weeks.

This answer is for general information only and does not constitute legal advice. Always consult a qualified Spanish property lawyer before making any purchase decisions.

Reviewed by

Olga Gorshkova· Costa del Sol Property Specialist

Updated 27 March 2026

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