Estate agents in Spain must now disclose the full cost of buying or renting a home from the first advert, under Ley 10/2025, which took effect on 28 December 2025. For people searching in Barcelona and elsewhere in Spain, that means listings should no longer start with a headline price and add taxes, agency fees or other compulsory charges later in the process.

The change matters for buyers, tenants and sellers because the law broadens who is protected and when those protections begin. According to specialist property portal Apivirtual, the duty to provide clear information applies from the moment there is a commercial offer, even if no contract is ever signed.

Reporting published by russpain.com said the new rules oblige agencies to list all costs upfront and allow legal claims against agencies that fail to comply.

What must now appear in a listing

Under the summary of Ley 10/2025 published by Apivirtual, the consumer must be told the complete final price from the first advertisement. The article says this must include the real price of the property, the relevant taxes and any agency fees that legally fall on the consumer, along with any other compulsory cost tied to the transaction.

  • VAT, where applicable
  • ITP, the property transfer tax, where applicable
  • AJD, stamp duty on certain notarised acts, where applicable
  • Agency fees, if the law allows them to be charged to the consumer
  • Any other mandatory expense linked to the sale or rental

Apivirtual says the law expressly bans what it calls "drip pricing", where an initial amount is advertised and extra charges are added later. It gives the example of an agency revealing its commission only during a viewing, saying that practice would now be illegal.

"The consumer must know the complete final price from the first advertisement."

That principle is also reflected in analysis by property law specialist Esther Marhuenda Bolívar, who says Article 30 sets out the right of buyers, tenants and other acquirers to receive information about a property's characteristics and the legal and economic conditions of its purchase, lease or use. Her summary says the information must be complete, objective, truthful, clear and accessible.

Who is protected and what it means for rentals

One of the wider changes described by Apivirtual is that legal protection is no longer limited to the buyer. It also covers sellers, tenants and anyone offered an estate agency service, even if the deal does not go ahead.

For renters in Barcelona, including people searching for a long-term flat in districts such as Eixample, Sant Martí or Sants-Montjuïc, the rule on agency charges is especially relevant. Apivirtual says that in ordinary residential lettings, agencies cannot pass fees or expenses on to the tenant, and cannot relabel them as "services", "advice" or "management" to get around the ban.

A separate legal summary published by GGI also states that intermediation fees in property rentals are to be paid by the owner.

Marhuenda Bolívar's analysis says the information duty applies across the housing chain, including developers, builders, owners, sellers, estate agents and property administrators. It adds that misleading, insufficient or deficient information is expressly prohibited.

What buyers and tenants should check now

Anyone viewing a listing should be able to see, before arranging a visit, whether the published price already reflects taxes and any compulsory charges that fall to them. If an advert in Barcelona or elsewhere in Spain shows only a base price and the agency later adds mandatory costs, that may breach the transparency rules described in the source material.

For renters, the key point is simpler. In standard residential lets, agency intermediation costs should be paid by the landlord, not the tenant, according to the summaries published by Apivirtual and GGI.

The source material does not set out a single national complaints portal for these cases. But russpain.com reports that failure to comply can open the door to legal claims against agencies, while the legal summaries stress that the duty to inform now applies from the first advert itself.

Reported by Source Text Link, russpain.com, Cristina, ggi.com, Esther Marhuenda Bolívar, altea-casas.com, Redacción, 1a0c0ad82b, María Blas, kobault, Maria Luisa de Castro, Carlos Cómitre Couto, Iustel, todo el Derecho en Internet, iberley.es.