Before setting up as an architect in 1809, he worked in the office of Lord Wellesley, in Calcutta, and afterwards, in Dublin as private secretary to Wellesley's brother Arthur, later the Duke of Wellington.
He worked in the office of Lord Wellesley, and afterwards to Wellesley's brother Arthur the Duke of Wellington. This was in Dublin as private secretary. This was in Calcutta. This was later. He was setting up as an architect in 1809.