The number of mortgages constituted on homes in August was 33,841, 2.3% more than in the same month of 2025, thus resuming the upward trend that was interrupted in July, according to data published this Monday by the National Institute of Statistics (INE).
The average amount of these operations rose to 181,285 euros, the highest in the historical series, after growing 7.7%.
The average amount of mortgages on the total properties registered in the property registers, derived from previously executed public deeds, increased by 9%.
For mortgages constituted on homes, the average interest rate was 3.08%, and the average term was 26 years; 35.9% of mortgages on homes were constituted at a variable rate, and 64.1% at a fixed rate.
Initially, the average interest rate was 2.95% for variable-rate mortgages on homes and 3.16% for fixed-rate mortgages.
Regarding mortgages with changes in their conditions registered in the property registers, they increased by 10.7% in August on an annual basis.
The modifications, or changes with the same financial entity, decreased by 18.8% and the substitutions to the creditor, when changing entity, decreased by 2.7%.
In contrast, the substitutions to the debtor, when the holder changes, increased by 95%.
In its note, the INE highlights that 84% of the 8,909 mortgages with changes in their conditions were due to modifications in interest rates.
Breaking down the data by autonomous communities, those with the largest increases in the annual variation rate in the number of mortgages on homes in August were Extremadura (41.8%), the Foral Community of Navarre (23.2%) and the Valencian Community (11.8%).
At the other end of the table, those that presented the largest decreases were La Rioja (27.7%), Balearic Islands (21.8%) and the Community of Madrid (5.8%).