1820s – Killua Castle, Clonmellon, Co. Westmeath
Architect: Thomas Cooley / James Shiel
The beginnings of the present structure is in 1780 when Sir Benjamin Chapman,
1820 – Poolbeg Lighthouse, Dublin
Architect: George Halpin
Originally constructed in the 1760s, it was re-designed and re-built in 1820 by George Halpin. The current lighthouse is painted red to indicate ‘port side’ for ships entering Dublin Bay and North Bull lighthouse (on the other side of the bay) is painted green to indicate it is ‘starboard’.
1820s – Northumberland Hotel (Liberty Hall), Eden Quay, Dublin
Originally built in the 1820s as Northumberland Hotel, with a coffee house and hotel. Later part of the building was converted into a Turkish baths.
1820 – Moyode Castle, Athenry, Co. Galway
About 3.5 km east of Athenry, Co. Galway, once the country seat of a wealthy Galway family called Persse, and constructed circa 1820..
1820 – Rathmullan House, Co. Donegal
Built in 1820 as a summer house for the family of Lieutenant Colonel Andrew Knox, Rathmullan House is now a small country house hotel.
1820 – Tynan Abbey, Co. Armagh
Architect: John Nash
Designed by John Nash who had a cluster of work in the area including Caledon House in Co.
1820 – Rathmines Castle, Rathmines, Dublin
Described in Lewis as “Among the most conspicuous are Rathmines Castle, the residence of J. T. Purser, Esq., a castellated mansion in tastefully disposed grounds”.
1820 – Northern Whig House, Waring Street, Belfast
Architect: John McCutcheon
Architect is uncertain, but usually attributed to McCutcheon. According to Brett in his Buildings of Belfast,
1820 – Chester Beatty Library, Dublin Castle
Architect: Francis Johnston
The Clock Tower, Dublin Castle, appeared on Roque’s map of Dublin, published in 1756, with nearly the same U-shaped plan as exists today.
1820 – Castle Freke, Co. Cork
Architect: Richard Morrison
Ruined for many years, currently undergoing reconstruction.
