Catalonia functions as the great laboratory in housing policy in Spain and, as such, is subject to greater scrutiny regarding its consequences. This happened again this Monday with the publication of the Rental Housing Price Index prepared by the National Institute of Statistics (INE). The data shows a figure that has surprised the sector: rental prices accelerated in 2024, the year in which the rent cap was introduced under the state Housing law.
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Specifically, the increase was 3.1%, the highest rise since 2019, when prices rose by 3.6%. However, the increase is below the national average of 3.5%. The Community of Madrid, where there is no price regulation, also stood slightly below the average, at 3.4%, while in 2019 rents rose by 4% in the territory governed by Isabel Díaz Ayuso.
Rent price regulation is a recurring source of controversy in Catalonia. It was the first autonomous community to approve it and the one that applies it most extensively. 90% of the Catalan population lives in a tense residential market area, where rents are controlled. Positions could not be more opposed, and while the Government and housing defense groups defend its effectiveness for containing increases, economists and landlords argue that the regulation is driving away supply at a time of clear shortage.
Sources from the former point out that the price increase could have been even greater than that recorded by the INE if it were not for rent control. Regarding the acceleration compared to subsequent years, they indicate that it is due to the market recovery after the effects of the COVID pandemic in 2020 and 2021. The Ministry of Housing also points out that the increase in the city of Barcelona, 3.3%, is the one that comes closest to the 2024 CPI among the major real estate markets.
But there is still a mystery to clarify. The INE data shows a somewhat different picture from that offered by the Generalitat through Incasòl. According to the latter, the rental price in 2024 was very sharply contained thanks to the regulation. The average rent in 2024 reached 844 euros in Catalonia, barely 1% more than the previous year. In the city of Barcelona, the epicenter of the housing crisis, the average rent reached 1,147 euros per month, 0.9% above 2023. The largest increase occurred in the first quarter of that year, just before the rent cap came into effect in March. Many landlords took advantage to raise contracts signed during that period. In contrast, Incasòl data shows a year-on-year reduction in prices in subsequent quarters in the areas declared as tense, while they rise slightly in the rest of Catalonia.
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If these data are considered, then, the effect of the regulation is more intense than if the INE information is taken. What is the reason? Sources in the sector point to a possible distortion due to the collection of sources. Incasòl data is based on deposits of new contract guarantees, while the INE collects data from the Tax Agency.
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In any case, the new INE information offers a somewhat outdated picture. The latest data published by the Generalitat, referring to the fourth quarter of 2025, show that rental prices continue to rise in tense areas of Catalonia despite the cap. The rental market thus consolidates a trend of moderate increases in the second half of 2025 in a context marked by the imbalance between supply and demand. Thus, the average rental price in Catalonia reached 884.19 euros per month in the last quarter of last year. In the areas declared tense it stood at 901.69 euros, an increase of 1.6% compared to the period prior to the limitation, in March 2024, while in Barcelona city it rose to 1,160.99 euros. In this way, rents in regulated areas, where 90% of the Catalan population lives, are already higher than before the limitation. In the city of Barcelona, however, they are still slightly below.
The increase occurs after several quarters in which prices fell with the application of the regulation. However, the initial effect of the rule seems to have faded over the months. Demand pressure—driven by the difficulty of access to purchase—and the limited available supply push prices up again, even in regulated markets.
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