Construction sector activity has expanded at its fastest pace in more than two-and-half years on the back of a pickup in apartment building and sharp increase in engineering work.

The Ai Group and Housing Industry Association Performance of Construction Index (PCI) rose 4.8 points to 56.7 points in May, its fourth consecutive increase. A reading above the 50-point level indicates expansion. Apartment building drove May’s lift, with the sector’s activity sub-index expanding 13.2 points – the steepest pace since…