IIAgricultural Range at Cae Serwyd To the S of the present farmhouse and closing the farmyard on the S side adjacent to, and at right-angels with, the primary house.
IIBridge at Llanrhaeadr Hall Spanning a ditch at the end of a metalled drive at the entrance of the agricultural and servce court which formerly served Llanrhaeadr Hall.
IIBrynlluarth Located on an elevated site some 2km SE of Prion, facing Pant Pastinog accross a valley; accessed via a long track and set against a hillslope with its farmyard to the W.
IICapel-y-Wern Prominently sited at a cross-roads towards the eastern boundary of the community, some 1.6km SW of Llanrhaeadr on a lane leading to Cyffylliog; set behind a low rubble wall enclosing a shallow forecou
IICarreg-y-Pennill On a commanding hillslope site overlooking the vale of Clwyd approximately 1km W of Pentre Llanrhaeadr; accessed via a farm track leading W from a lane running from Pentre to Prion.
IIGroes-Gwta Farmhouse Located opposite the chapel in the centre of Prion, on the N side of the lane, its E side facing a small walled garden parallel to the road.
IIHen Vicarage Located towards the eastern boundary of the community, set back from a lane running E of the main Denbigh-Ruthin road; adjacent to the Cymro PH.
IIIcehouse at Llewesog Hall Situated in woodland 120m SW of Llewesog Hall near to the junction of the minor road from Llanrhaeadr to Prion and the drive to the Hall.
II*Llanrhaeadr Hall Located approximately 750m E of Llanrhaeadr village and set within its own grounds; accessed via a long, tree-lined and gated drive running NE from the road.
IILlewesog Hall Located within its own grounds and set within a partly-wooded park approximately 1km SE of Prion; accessed via an unmetalled track running SE from a lane leading S off the main Prion-Llanrhaeadr road.
IILlewesog Isaf Located approximately 750m W of the village, set back to the NW of a lane running SW from the village towards Prion.
IILlwyn-Uchaf Located in fields towards the northern boundary of the community, to the N of a lane running from Pont Ystrad to Llanrhaeadr; accessed via a long unmetalled track.
IINant-y-Ffrith Located in a valley towards the SE boundary of the community approximately 2km S of Llewesog Hall; accessed via a long, unmetalled track running SE from a lane leading S from Llewesog towards Cyffylli
IINo.1 The Almshouses Adjoining the churchyard at the W end, raised up slightly behind a gated forecourt retaining wall.
IParish Church of St Dyfnog Picturesquely-sited in the village centre, set back from the road within its own walled churchyard.
IIPen-y-Cae Farmhouse Located approximately 0.6km S of Rhewl and 1km E of Prion, to the W of the eastern drive to Llewesog Hall; accessed via a track running W from the drive.
IIPeniel Chapel and Manse Located at the north-western boundary of the community, set back at right-angles to the road behind a partly-railed, metalled forecourt.
IIPrimary House at Cae Serwyd Located approximately 1.2km SE of Prion and 0.5km S of Llewesog Hall on an elevated site immediately to the SW of the present farmhouse; accessed via a track running S from a lane running to the S of
IISmithy Cottage Adjacent to the Smithy in the centre of the village, diagonally opposite the church lychgate.
IISt Dyfnog's Well In a rocky, wooded natural bowl approximately 0.25km above, and to the W of, the church of St Dyfnog; accessed via a path running parallel with the well stream from the churchyard.
IITelephone Call-box On the roadside at the western boundary of the community immediately opposite Peniel Chapel; within the chapel's railed forecourt.
IITelephone Call-box On the pavement in the centre of the village adjacent to the Smithy.
IIThe Smithy Located to the NE of the church, facing the churchyard, immediately opposite the lychgate.
IIThe Vicarage On a commanding site overlooking the Vale of Clwyd, 1km SW of St Dyfnog's church on the outskirts of the small village; accessed via its own drive leading SE from a lane running W towards Prion.