If you rent out your property in Spain for holidays or other short-term stays, you will now need an official registration number before advertising it on platforms such as Airbnb or Booking.com.

The measure forms part of a Europe-wide initiative designed to increase transparency in the rapidly growing short-term rental market and to make it easier for authorities to identify illegal tourist accommodation.

For many foreign owners, however, the new requirement has created confusion, particularly because it exists alongside the regional licensing systems that are already in place.

What is the new register?

The system is known as the Registro Único de Arrendamientos (Single Rental Register) and operates through the Digital One-Stop Shop for Rentals (Ventanilla Única Digital de Arrendamientos).

Each qualifying property is allocated a unique registration number, often referred to as the NRUA or NRA. This number must be included when advertising the property on the major online booking platforms.

Without a valid registration number, digital platforms may refuse to publish a listing or may remove an existing one.

Which properties are affected?

The requirement generally applies to properties offered for:

• Tourist or holiday rentals.
• Seasonal or temporary lets.
• Short-term accommodation marketed through online platforms.
• In some circumstances, individual room rentals.

The system applies equally to Spanish residents and overseas owners.

Do I still need my Andalusian tourist licence?

Yes.

For owners in Andalucía, the national registration number does not replace the existing regional Vivienda con Fines Turísticos (VFT) registration.

In practice, many owners need both:

• The regional tourist licence required under Andalusian law.
• The national registration number required for online advertising and data exchange.

Having one does not automatically provide the other.

Why has the government introduced the system?

The official objectives are to:

• Combat illegal holiday rentals.
• Improve consumer protection.
• Increase tax transparency.
• Help local and national authorities monitor the effect of short-term rentals on housing availability.
• Comply with new European Union rules governing the exchange of rental data.

The government believes that better information sharing between online platforms and public authorities will make it harder for unlicensed properties to operate.

What information is required?

Although requirements may vary, applicants are generally expected to provide:

• Details of the property.
• The catastral reference.
• The type of accommodation offered.
• Any regional licences or permits already obtained.
• Information regarding the intended rental activity.

The registration is linked to the property itself rather than to the owner.

What should owners do now?

If you currently advertise your property for short-term rental, or intend to do so, you should:

1. Check whether your property falls within the scope of the regulations.
2. Ensure that any required regional licences are in place.
3. Obtain the appropriate national registration number if necessary.
4. Display the number on all relevant online listings.
5. Keep abreast of legal developments, particularly if your property is located in a region with its own regulatory system.

Summary

Spain is one of the first European countries to implement a comprehensive digital monitoring system for short-term rentals, driven by political pressure motivated by both economic and cultural concerns.

In some barrios of historic cities as much as 25% of the housing stock has been converted to short term rentals which changes the atmosphere of the barrio, depriving it of neighbours and changing the nature of available shops and services. Serving tourists from wealthier countries is more profitable than selling food to local residents.

Also the income achievable from short term rentals has pushed up house prices, often to levels unattainable for the sons and daughters of local residents.

This new framework of double registration, property and tourist authority, should flush out illegal rentals, easing the stress on housing while improving the situation of responsible owners.