Birr Castle, formerly a Norman castle, dating from the start of the thirteenth century, home to the O'Carroll family from the fourteenth until the end of the sixteenth century, when it was sold to Orm...

Detached double-height gate house, built in 1848, at the northern edge of a star-shaped moat with retaining walls which encompass the nothern limits of Birr Castle. Gate house roof hidden behind cast...

Detached U-plan former stables, built in 1850, to designs by Mary Rosse. Situated within the Birr Castle demesne, it comprise three ranges of buildings surrounding an inner courtyard. Pitched slate...

Detached two-bay two-storey herdsmen house, built c.1890, with lean-to single-bay addition to north. Set within Birr Castle demesne. Pitched slate roof with rendered chimneystack and cast-iron rainw...

Stone weir with waterfall, built c.1870, located within Birr Castle demesne....

Well situated in the grounds of Birr Castle demesne, originally dating from early Christian times and enclosed within random coursed stone walls with corbelled roof built c.1780. Round-arched opening...

Single-span wire suspension footbridge, built between 1821-25, within the grounds of Birr Castle over the River Camcor. Hung from reinforced-concrete uprights. Anchored to the ground behind with a p...

Detached single-bay single-storey gable-fronted electric power house or turbine house, built c.1879. Now disused. Pitched tarred roof and timber battened walls. Windows to gable walls. Set on bric...

Stone structure, built c.1879, as part of the civil engineering works regulating the flow of the Camcor river mainly for generating electricity at the turbine. Located within Birr Castle demesne....

Single-span metal beam and concrete slab accommodation bridge, built in 1911, spanning the River Camcor within Birr Castle demesne. Replaced mid nineteenth-century bridge. Concrete abutments with re...

Surviving single-span of a double or multiple-span bridge, built c.1760. Spanning the River Camcor at the point before it opened out into a slightly smaller lake that forms centre of Birr Castle deme...

Icehouse, built c.1780, located within Birr Castle demesne. No longer in use. Squared limestone entrance elevation and brick entrance tunnel. Main chamber covered with earth. Square-headed door op...

Seventy-two inch reflecting telescope, built between 1841 and 1845, by William Parsons, the Third Earl of Rosse. Located within Birr Castle demesne. Timber telescope set within man-made hollow flank...

Detached Canadian log cabin, built in 1927, on the shore of a lake within Birr Castle demesne. Pitched felt roof. Log walls with front veranda. Access gained to rear by timber steps. Timber caseme...

Waterwheel casing with trough, arched recess and support platforms, built c.1850, within Birr Castle demesne. Enclosed on three sides by battered limestone walls. Drainage channel to west, lined wit...

Walled garden, dating to the c.1620s, sited within Birr Castle demesne. High random coursed stone walls surround garden with a glasshouse complex, potting sheds with random coursed stone walls and pi...

Detached double-pile three-bay two-storey former head gardener's house, built c.1840, with extension and outbuilding to rear. Set within walled garden of Birr Castle demesne. Pitched slate roof with...

Detached seven-bay single-storey bothy or workers' house, built c.1870, with gable-fronted entrance bay and extension to rear. Set within its own walled grounds and within the Birr Castle demesne. P...

Detached four-bay single-storey four-pile gate lodge, built c.1850, with open porch timber porch to east. Situated within Birr Castle demesne and located next to the castellated entrance gates of Oxm...

Random coursed limestone walls, built c.1850, surrounding Birr Castle demesne. Wall varies in height with castellated parapet, cut stone circular corner towers with loops and a variety of door and ca...