IIArllen-fawr (formerly Garthgelynen-fawr) To the south side of the minor road from Penybontfawr to Llanrhaeadr-ym-Mochnant, about 1 km east-north-east of the village of Penybontfawr.
IIFormer School In the village of Penybontfawr about 60 m south-east of the church of St Thomas.
IIGlanhafan-fawr farmhouse At the rear of a farmyard at the east side of the Tanat Valley, reached by the B4391; about 2 km north-west of the village of Penybontfawr. Front garden with low wall.
IIOld Rectory, Hirnant At the rear of the church of St Illog, in the hamlet of Hirnant.
IIParc Farmhouse Half a kilometre east of Penybontfawr village, to the south of the B4391.
IIParish Church of St Thomas At west of the village of Penybontfawr, in a large stone-walled churchyard.
IIPenybont Farm, Pen-y-bont-fawr To south side of street in the village of Penybontfawr, reached by a short drive opposite Capel Bethania. Cobbled margin to forecourt.
IIPlas-newydd (former vicarage) 50 m west of the parish church of St Thomas, in private grounds with low stone wall to front; former stables to rear.
IIPont Farrog Carrying the B391 road over the Afon Tanat in the village of Penybontfawr.
IIRailway Inn At north side of the village street, Penybontfawr.
IISiambr-wen To the west side of the minor road from Penybontfawr to Cwm Fedw, about 1 km south-west of the village.
IITy'n-y-caeau Reached by a farm track south from the B4391, about 300 m west of Pont Farrog, Penybontfawr.
IITy'n-y-llan 50 m south-west of St Illog's church, in the hamlet of Hirnant. Small front enclosure with low stone wall.
IITy-brith At the roadside at north of the B4396, 1 km north-east of the church of St Illog. Small walled enclosure at front with entrance at side; nearby partly ruinous farm buildings.
IITy-isaf farmhouse Reached by a farm track to the south of a minor road off the Penybontfawr to Hirnant road; about 1½ km south west of Penybontfawr village.