In 1906, Lawrenson was awarded the gold medal for colour printing from copper plates at the Milan International Exhibition. He learnt etching from the lectures of Frank Short. He gave his own lecture and demonstration of colour etching and aquatint in Dublin in 1911. He exhibited with a number of societies and galleries including the Alpine Gallery, the Fine Art Society, the Royal Academy, the Royal Hibernian Academy, and the Royal Scottish Academy. He was a member of the Art Workers' Guild.
