Press release 24/10/2025
CONSTRUCTION COSTS INDEX. SEPTEMBER 2025
Construction Costs in the Basque Country rose by 0.5% in September 2025
Compared to September 2024, construction costs were up 3.0%
In September 2025, the Construction Costs Index in the Basque Country registered an increase of 0.5% in respect of the previous month, according to Eustat data. In relation to the same month of 2024, costs were up 3.0%.
By sector, in month-on-month terms, costs showed a variation of 0.4% in the Building sector and 0.6% in Civil Engineering. Compared to September 2024, costs increased by 3.0% in the Building sector and 2.9% in Civil Engineering.
With regard to raw materials, costs rose by 0.6% in relation to the previous month, while labour costs remained constant. In year-on-year terms, the cost of raw materials increased by 4.0% and labour costs were up 0.4%.
In September 2025, costs of raw materials rose by 0.6% compared to August 2025 in the Building sector, and by 0.8% in Civil Engineering. Meanwhile, in the year-on-year evolution, costs of raw materials increased by 4.0% in the Building sector and by 3.8% in Civil Engineering.
Index of construction costs of the Basque Country. Rates of variation (p). September 2025
| |
Index |
Increase (%) |
| |
|
m/m-1 |
m/m-12 |
| Total |
122.3 |
0.5 |
3.0 |
| Edification |
122.1 |
0.4 |
3.0 |
| Ingeniería civil |
123.4 |
0.6 |
2.9 |
| |
| Raw materials |
124.3 |
0.6 |
4.0 |
| Edification |
124.0 |
0.6 |
4.0 |
| Ingeniería civil |
125.6 |
0.8 |
3.8 |
| |
| Labour |
116.9 |
0.0 |
0.4 |
Base 2021=100
m / m-1 Variation rate of the last observed month (m) compared to the previous month (m-1)
m / m-12 Year-on-year variation rate of the last observed month (m) compared to the same month of the previous year (m-12)
(p)Provisional data
Date October 24, 2025
Source: Eustat Construction costs index
In September 2025, there was a widespread rise in the cost of raw materials consumed by the construction sector. The greatest increases compared to the same month of the previous year were seen in Manufacture of electrical material and equipment, with a rise of 9.4%, followed by Manufacture of metal products, except machinery and equipment and Extraction industries, both with a year-on-year increase of 2.0%. The rises in raw material costs were more moderate in Manufacture of other non-metallic minerals, with an increase of 1.6%, and Coke plants and oil refining, with an increase of 1.7%.
Prices of raw materials consumed in the Basque Country by sector A64. Year-on-year rate of change (p). September 2025
| |
m / m-12 |
| Mining and quarrying |
2.0 |
| Coke and refined petroleum |
1.7 |
| Manufacture of other non metallic mineral products |
1.6 |
| Manufacture of fabricated metal products, except machinery and equipment |
2.0 |
| Manufacture of electrical equipment |
9.4 |
Base 2021=100
(p)Provisional data
m / m-12 Year-on-year variation rate of the last observed month (m) compared to the same month of the previous year (m-12)
Date October 24, 2025
Source: Eustat Construction costs index
For further information:
Eustat - Euskal Estatistika Erakundea/Basque Statistics Institute
C/ Donostia-San Sebastián, 1 01010 Vitoria-Gasteiz
Press Service: servicioprensa@eustat.eus Tel.: 945 01 75 62