1820s – Killua Castle, Clonmellon, Co. Westmeath
Architect: Thomas Cooley / James Shiel
The beginnings of the present structure is in 1780 when Sir Benjamin Chapman,
1820s – Shankill Castle, Paulstown, Co. Kilkenny
Shankill Castle started as a Butler tower-house near the ruins of an old church.
1821 – Langford Lodge, Crumlin, Co. Antrim
Architect: James McBlane
Fine three storey residence with multiple bowed bays overlooking Lough Neagh.
1823 – Mitchelstown Castle, Mitchelstown, Co. Cork
Architect: James Pain & George Pain
In 1823, after his succession to his title,
1823 – Ormeau House, Co. Down
Architect: William Vitruvius Morrison
A long rambling Tudor mansion designed for the 2nd Marquess of Donegall on the then outskirts of Belfast,
1825 – Convamore House, Ballyhooly, Co. Cork
Architect: James Pain
Large classical house built on an elevated site overlooking the River Blackwater,
1825 – Design for Fota House, Co. Cork
Architect: William Vitruvius Morrison
An unbuilt scheme to enlarge the 18th century house at Fota.
1825 – Favour Royal, Co. Tyrone
Architect: John Hargrave
The original house of the demense was destroyed in 1823 by an accidental fire,
1825 – Loughcrew House, Oldcastle, Co. Meath
Architect: Charles Robert Cockerell
Originally the seat of the Plunkett family,
1825 – Moynalty House, Moynalty, Co. Meath
Constructed around 1825, constructed in the Regency style, as a three-bay,
