Michael Cosgrave is recalling the early days of the Cosgrave Group, a construction business he founded with his brothers Joe and Peter back in 1979. “In the 1980s nearly everyone went broke, but we survived. We didn’t make any money, but we kept going. Through all the crises and all the hard times we were always building,” he said. When the financial crash came a decade ago, the Cosgrave Group endured. In 2010, it was one of the country’s first builders to return to building homes at scale in Ireland on a large site in Dún Laoghaire, Co Dublin. The…