1840 – Lock Keeper’s Cottage, Templetate Lock, Smithborough, Co. Monaghan
Fine stone cottage overlooking a former lock on the now closed Ulster Canal.
1840 – Magheramenagh Castle, Belleek, Co. Fermanagh
Architect: John B. Keane
Constructed between 1835 and 1840,
1840 – Mount Stewart, Co. Down
Architect: George Dance / William Vitruvius Morrison
Between 1804 and 1806,
1840 – Northland House, Dungannon, Co. Tyrone
Architect: Robert Woodgate
Northland House was a three-storey,
1840 – The Victoria Hall, Belfast, Co. Antrim
Architect: Thomas Jackson
Constructed as the Victoria Music Hall,
1840s – Clotworthy Arts Centre, Antrim, Co. Antrim
Clotworthy Arts Centre was built in the 1840s as a coach house and stables for Antrim Castle.
1840s – Drumreaske House, Co. Monaghan
Architect: William Walker
Possibly added to by local architect William Walker in a simple tudor style.
1840s – Gateway, Loughgall Manor, Co. Armagh
The main gates were manufactured in 1842, but there is no architectural similarity between the gateway lodges and the main house.
1840s – Innismore Hall, Derrybrusk, Co. Fermanagh
A smaller country house from the mid 1840s. A distinctive design with a curved bow end elevation and a bowed portico to the front.
1840s – Rosslea Manor, Rosslea, Co. Fermanagh
A Georgian mansion of two storeys above a basement;
