Abbotstown House, Castleknock, Castleknock, Abbotstown

Five-bay two-storey neoclassical house, built c. 1830, six-bay two-storey extension to north, bay windows and a garden terrace with steps to the south and west elevations; in use between 1950 and 1990 for office administration; now vacant.

"Main southeast entrance, c. 1800, no longer in use, overgrown and inaccessible. Gate lodge, c.1800, now gone. Southwest entrance, c. 1800, in use for access to James Connolly Memorial Hospital, no traces of historic walls or piers. Gate lodge, now gone.

Courtyard of squared coursed rubble limestone coach houses, c. 1840, and offices adjacent to north of the house. Agent’s house, c. 1850, and farmyard to north of courtyard, with single-storey stables, c. 1950.

Terraced semi-circular lawn to west of house, c. 1850, with individual specimen trees.

Boundary wall to the north, shelterbelt to the west, new motorway to the east, original woodland, pre 1810, to the south.

"None remaining.

Limestone plinth base of a large cruciform conservatory, built c. 1850, to the west of the house. Decorative cast-iron gate, c. 1830, to southeast corner of terrace surrounding the house.

Walled garden, c. 1840, to the west of the house, rubble stone walls with intermittent brick-faced piers on the east side. Inaccessible at time of record.

Parkland, c. 1800, largely intact to the southeast, and east of the house, with a number of trees remaining from a clump. Parkland to the south was redeveloped for the James Connolly Memorial Hospital, c. 1945, but maintained many of the original shelterbelts and field divisions. Parkland to the southwest has been developed for housing, c. 2005.

"A number of lime trees survive from the original west avenue, 1690-1730, on the main access to the hospital.

Main southwest avenue, c. 1800, in use but modernised for access to hospital grounds only, no longer in use for access to the house. Principal southeast avenue, c. 1800, in use but closed-off at south end. Northeast farmyard access, c. 1800, in use. North-west access to the farmyard, c.1870, no longer in use. East access to the north of graveyard, dead-ended by motorway to the east. East farmyard access, in use but also dead-ended by the motorway to the east.

Farmland, north of the house, in the original layout, c. 1800. Twenty fields, which by 1870 were amalgamated to sixteen; by 1930 the general area of the farm no longer belonged to the demesne but twelve fields were still intact and two were incorporated within the demesne, the remaining field boundaries are largely intact.

Pinetum c. 1850, to south and west of house.

"Large pond or canal, to west of the original 17th century house. Gone by first edition OS map. Long oblong pond to south of new house shown on this map. The feature was still extant 1930 but appears to have been silted up / overgrown since then and is now surrounded by woodland.

Hamilton family.