General Post Office (The GPO), Dublin The General Post Office (GPO) in Dublin was rebuilt starting in 1925, following extensive damage during the Easter Rising of 1916. The reconstruction and extension project, led by T.J. Byrne under the Office of Public Works (OPW), lasted until 1932-34. The project included adding the GPO Arcade, studios for Radio Éireann, and the Central Telegraph Office, while retaining elements of the original Francis Johnston design and incorporating some Art Deco feature