It will not rot as long as it is either wet or dry , unchanging. Butchers blocks, felloes of wheels, shipbuilding, coffins, drains, bridges. Leaves of the quickthorn are edible, haws for food, young flowers used to be eaten by rural children as bread and butter, hedging. Wood for turning, walking stick and wagon parts. Good fir when old.
Nuts are edible and a source of oil, for food, lubrication, paints, perfumes and soaps.
Leaves edible to humans and sheep, but cattle no keen. Coppiced for sheep hurdles, fencing basketry. Scabbard in Scotland of the bronze age was leather stiffened with a lath of Hazel. Wicker lined pits. Fast burning, bright flame but little heat.