1783 – Dunsink Observatory, Co. Dublin
The Dunsink Observatory is an astronomical observatory established in 1785 in what was then outside of Dublin by Trinity College Dublin.
1783 – Leinster Aqueduct, Sallins, Co. Kildare
Architect: Richard Evans
Designed by Richard Evans, a canal engineer,
1783 – Robert Adam’s designs for Castle Upton, Co. Antrim
Architect: Robert Adam
Designs by Scottish neo-classical architect Robert Adam for a redevelopment of Castle Upton.
1784 – Cathedral of St. John the Baptist, Cashel
Architect: William Vitruvius Morrison
The historic cathedral on the Rock of Cashel was closed for worship in 1721.
1785 – Belcamp Hall, Balgriffin, Co. Dublin
Belcamp dates from the mid-1780s when it was built for Sir Edward Newenham,
1785 – Bethesda Chapel, Dorset St., Dublin
In 1784 William Smyth, a Dublin merchant, founded the Bethesda Chapel in Dorset Street in connection with a female orphanage and,
1785 – Castleton House, Belfast, Co. Antrim
Also known as Jennymount, the residence of the Thomson family, prominent local merchants and bankers.
1785 – Clonbrock House, Ahascragh, Co. Galway
Architect: John Leeson / John Hampton
Constructed for Robert Dillon,
1785 – Design for Emo Court, Portarlington, Co. Laois
Architect: Thomas Sandby
Unexecuted design by English architect Thomas Sandby for Emo Court.
1785 – Examination Hall, Trinity College Dublin
Architect: Sir William Chambers
Designed by Sir William Chambers,
