1803 – Aldborough House, Portland Row, Dublin Architect: Richard Johnston Built by Edward Augustus Stratford (1736-1801), 2nd Earl of Aldborough as Dublin’s last great house of the eighteenth century.
1803 – Bank of Ireland, College Green, Dublin Architect: Edward Pearce, James Gandon, Robert Parke, Francis Johnston This was the first purpose built Parliament House in the world and was constructed at a great time of public confidence in Dublin.
1803 – Birr Castle, Co. Offaly Architect: Sir Laurence Parsons / John Johnston There has been a castle on the site since 1170, and from the 14th to the 17th century the O’Carroll family ruled from here over an area known as “Ely O’Carroll”.
1803 – Grand Hotel, Robertstown, Co. Kildare The Hotel was built in 1803 and was closed as such in 1849. However the building continued in use for various purposes including a RIC barracks and,
1803 – Hopital l’Hotel-Dieu Church, Quebec City, Quebec Small church in the grounds of the religious-run hospital, the interior was decorated by Thomas Baillairgé (1829-1832) and by one of his students,
1803 – Killymoon Castle, Cookstown, Co. Tyrone Architect: John Nash Killymoon Castle is one of John Nash’s earliest castles, built ca 1803 for William Stewart MP,