In December, the prices of labour inputs in construction went up by 0.8 per cent, the prices of materials, in turn, decreased by 0.5 per cent.
Prices of other inputs increased by 1.8 per cent year-on-year, the data show.
The total index of building costs decreased by 0.2 per cent from November to December.
The prices of labour inputs remained unchanged from the previous month as per the statistics.
The prices of materials went down by 0.3 per cent and those of other inputs by 0.1 per cent month-on-month.