The ups and downs at a glanceCurrent trends
How the indices are calculatedMechanical cost index
The MCI is based on labour rates agreed by the mechanical industry’s wage body, the JCCHVDEI, and materials prices from the Office for National Statistics.
Electrical cost index
The ECI is compiled from materials data from the Office for National Statistics and labour costs agreed by the electrical industry’s wage body, the JIBECI.
Building cost index
The BCI measures movement in contractors’ labour and materials costs. It is compiled from nationally agreed labour rates and materials prices from the ONS.
Tender price index
DL&E’s index is compiled by analysis of successful tenders worth more than £250,000. It includes movement in wage rates, discounts, plant costs, overheads and profits.