From February 2002 to September 2011 an amount of €398,854.52 was expended in respect of the history of the Office of Public Works. This included researching and archiving material on the Office of Public Works and production of a publication.
In the course of the research, it emerged that a considerable amount of archival work was required, which would normally be carried out by an archivist, but had in the first instance to be carried out by the author as a necessary part of his detailed research.
€32,947.37 was the total amount spent in 2011 associated with publishing the book; St. Stephen's Green, Dublin 1660-1875.
No further costs have been incurred since 2011.