1818 – Church of Ireland, Cahir, Co. Tipperary
Architect: John Nash
1818 – Custom House, Cork
Architect: William Hargrave
The first known Custom House in Cork was built in 1724 in Emmet Place and is now part of the Crawford Art Gallery.
1818 – Design for Glencairn Abbey, Co. Waterford
Architect: Richard Morrison
Largely unbuilt scheme for a client who died shortly after the design was commissioned.
1818 – Father Mathew Bridge, Dublin
Architect: George Knowles & James Savage
Originally the site of the only bridge crossing the Liffey until 1674,
1818 – Former Griffith Barracks, South Circular Road, Dublin
Architect: Francis Johnston
Originally known as the Richmond House of Correction and later the Richmond Bridewell.
1818 – Former Prison, Sligo, Co. Sligo
Designed to hold 200 inmates in a polygon-shaped building, with six-bay two-storey facets and six-bay three-storey terminal block to south.
1818 – Kilcoleman Abbey, Milltown, Co. Kerry
Architect: William Vitruvius Morrison
Also known as Milltown House.
1818 – Nos. 23-25 Pearse Street, Dublin
Nos. 23–25 Pearse Street, then Great Brunswick Street, served as the main recruiting office of the British Army between 1910 and 1924.
1818 – Orange Hall, Armagh, Co. Armagh
Unusual Orange Hall that consiste of a later hall from 1950 built behind an older building of 1818 with twin pediments and coach arches.
1819 – Cavalry Barracks, Newbridge, Co. Kildare
Architect: Abraham Addison Hargrave
In Spring 1813, a tender from Hargrave,
