 Their work was a Gothic style influenced by the principles of John Ruskin, and included the Museum at Trinity College, Dublin, the Oxford University Museum of Natural History, Oxford, the Pitt Rivers Museum, the Kildare Street Club, Dublin and Queen's College Cork, now University College Cork.He is also known as a conservation architect, involved in the restoration (including the incorporation of the original twelfth-century Romanesque chancel) of the St. Mary's Cathedral, Tuam, which was praised by George Petrie.His work on the conservation of St Canice's Cathedral, Kilkenny, was less successful, and brought him into conflict with the dean and chapter, and in particular with the Treasurer James Graves.