Attention! There were errors in the publication of Construction cost indices for civil engineering projects 2. quarter 2025, which was published September 8th 2025. These errors were corrected on September 10th 2025. The current index values are valid, whereas values for 2. quarter 2025 obtained from Statbank between September 8.-9. are invalid.

With the publication of Construction cost indices for civil engineering projects, 1st quarter 2025, the statistic has changed base year (2021 = 100), weight basis and will going forward be published in the table BYG62. This affects historical index levels, which have been rescaled to the new base year, but not quarterly or yearly development rates, which remain the same as before the base year change.