IIBrick Kiln and Stack At the former Hendre Brickworks, on waste ground on the N side of the A541 NW of Ruby Houses and the junction with a minor road to Rhosesmor.
IIBritannia Inn Approximately 200m E of the parish church, opposite Lygan-y-llan farm.
IIBryn Awel At the N end of the village opposite the junction with Brynford Road.
IIBryn Glas Smithy Approximately 1km ENE of Rhosesmor church on the S side of a junction of minor roads between Rhosesmor and Northop.
IIHalkyn Library Hall In its own grounds in the centre of Catch, W of the B5123.
IIHawthorn Cottage Between Halkyn and Rhosesmor, reached via lane opposite Ysgol Rhos Helyg. Hawthorn Cottage is about 300m WSW of the school, S of a junction of lanes, and NW of Moel y Gaer.
IILane Cottage In a loose cluster of buildings which lie on the west side of a lane which skirts Halyn Mountain between Pentre Halkyn and Rhosesmor.
IILime Kiln E of Foel Farm, approximately 300m NW of the parish church, set back on the N side of a minor road between Rhosesmor and Moel-y-crio.
IILime Kilns On Halkyn Mountain, approximately 0.7km E of Rhes-y-cae village on the N side of a minor road between Rhes-y-cae and Halkyn. A quarry is on the E side of the kilns.
IILower Lodge including Gate Piers on S side Set back on the N side of the A55 and reached by private road NW of services and motel. Halkyn Castle is approximately 0.75km W.
IILygan Uchaf Approximately 1.3km WSW of Rhosesmor church, reached by farm road E of a minor road between Hendre and Moel-y-crio. At the S end of a yard with L-shaped farm range.
IIPlas Winter An isolated house approximately 0.5km S of Moel-y-crio, reached by minor and private roads on W side of the minor road from Halkyn to Moel-y-crio.
IIPlas-yn-rhos Approximately 300m N of Rhosesmor church, set back and reached by farm road on the E side of the B5123.
IIRhosesmor war memorial On the E side of the church and on the E side of the B5123 on an island of its junction with a minor road to Caerfallwch Farm.
IIRosemount Approximately 200m SE of the parish church, on the SE side of a minor road between the church and Britannia Inn.
IIShifna-hyr Farmhouse Approximately 0.75km NW of Gwysaney and reached by farm roads from the main house or on the N side of a minor road between the A541 and B5123.