The Construction Costs Index fell 0.1% in the A.C. of the Basque Country in September 2005 with regard to the month before, by which the inter-annual rate for the month came to 3.7%, according to EUSTAT data.

In September 2005, labour costs did not vary at all (0.0%), while raw material costs registered a 0.1% decrease.

The subsectors Building and Civil Works registered a different evolution. For raw material costs, the index for the Building section decreased with regard to the previous month (-0.2%), while Civil works saw a 0.2% increase. The overall result was -0.1% due to the greater weight of the Building subsector compared to Civil Works. The inter-annual evolution for these two subsectors showed that they experienced slightly different variations: raw material costs for Building rose by 3.2% and Civil Works grew by 3.9%.

In September the highest growth in prices occurred for raw materials used in Oil by-products (5.0%), Asphalt Products (2.8%), Oils and greases (2.2%) and Glass (0.9%), among others. By contrast, there was a decrease in the prices of the raw materials used by Electric energy (-4.9%), Explosives and gases (-3.7%), Iron and steel (-1.0%), Mining arids (-0.3%) and Office material(-0.2%).

Among the prices of raw materials used by the sector the highest inflation rates for the whole of last twelve months corresponded to: Asphalt products (32.1%), Oil products (31.9%), Oils and greases (7.4%), Baked earth (6.4%), Manual tools (6.3%) and Worked stone (6.2%). In addition, drops in prices were registered inter-annual for the raw materials used by Electric energy (-3.4%), Office material (-2.9%), Metal structures and boilermaking (-0.8%) and Lime, gypsum and plaster (-0.5%).