IIBarn Range at Ty'n-y-Ddol Located immediately SW of the house, closing a farmyard on the western side.
IIBerwynfa Set back slightly behind low modern forecourt walls.
IIBethel Congregational Chapel At Bethel, on a minor road leading off the N side of the A494 to Tyn-y-Bwlch and Maerdy, close to the junction of the two roads. Set back in a narrow forecourt behind Art Nouveau-style cast-iron rail
IIBrewhouse at Coed-y-Foel Isaf Immediately opposite the farmhouse; accessed via a slate slab-bridge across a stream.
IICowhouse at Cynlas Fawr Located to the NE of the farmhouse, behind the agricultural range.
II*Crogen Located at the eastern boundary of the community within its own grounds; set back from the road and accessed via lodged drives.
IICross Keys Located diagonally opposite the parish church lychgate on the corner of church street and a narrow lane linking up with Trafalgar Street.
IICwm Hesgyn Approximately 2km north of the A4212, up a track which leaves the main road near the eastern end of Llyn Celyn.
IICwm Main Located at the northern-most boundary of the community, on the eastern side of Cwmtirmynach; accessed via a long track running NW from the B4501 from the A5 to Fron Goch.
IICymro Gate Located at the north-eastern boundary of the community and prominently-sited on the roadside.
IICynlas Fawr including adjoining Carthouse On an elevated site above the road, some 250m W of Cefn-ddwysarn, within a farm group; accessed from the road via a farm track.
IIDol-y-Gadfa Located towards the eastern boundary of the community immediately N of the River Dee; backing onto a lane running E from Llandderfel alongside the river.
IIDolafon On the street-line at the southern end of the village.
IIFron Heulog Set within its own grounds in an elevated location approximately 0.5km W of Pont Fawr and 0.6km SW of Llandderfel village; accessed via its own lodged drive running N from the road.
IIGateway and Screen Walls to Rhiwlas On the roadside, immediately to the NE of Pont-y-Bala; at the approach to the former main drive to Rhiwlas Hall.
IIGlascoed On the street-line, adjacent to the church lychgate; set back slightly behind low rubble forecourt walls.
II*Gwern-y-braichdwr Located on the southern slope of the Cwm Main, at the eastern end; accessed via a track running from a lane itself running W from Glan-yr-Afon
II*Henblas including adjoining Barn Range Located approximately 800m NE of Llandderfel village and accessed via a farm track running N from an unclassified road running NE from the village.
IIIce House at Rhiwlas Approximatly half way along the old Rhiwlas Hall drive, set into a wooded slope some 20m above the River Dee.
IILlawrybettws Chapel Set back slightly on the corner of the lane behind a partly-railed forecourt with curved rubble revettment walls following the road to the L and R.
IIRhydywernen Located at the western end of the Cwm Main approximately 1.2km N of Sarnau; immediately to the W of Rhydywernen chapel, to the W of the lane, and built gable-end into the slope.
IIRhydywernen Chapel including forecourt walls and railings Located at the western end of the Cwm Main approximately 1.2km N of Sarnau; immediately S of the Cwm Main road, running NE from the Cefn Ddwysarn road; raised up slightly behind a walled, grassed fore
IITegfan On the street-line at the southern end of the village.
IITelephone Call-box Located in the centre of the village diagonally opposite the church lychgate.
IITirionfa Set back from the road on a bend, set within its own walled garden.
IITy Bryn (Lodge to Pale Hall) Set back slightly from the road at the top of the former principal drive to Pale Hall.
IITy Groes Located on the corner of the main road with the lane leading to Llandderfel village.
IITy Uchaf Located on a sloping site immediately below the road at the eastern end of Llyn Celyn on the SW boundary of the community.
IITy'n Llwyn including Agricultural Range to N Located approximately 1.5km NW of Llanfor village on a sloping, elevated site; accessed via a rough track leading NE off a lane running NW from Llanfor; built against a hillslope.
IITy'n-y-Ddol Set back from the road to the S of Llandderfel; accessed via a farm track running W from the road.
IIWern Fawr Located on the eastern slope of the Cwmtirmynach some 750m SE of Glan-yr-Afon; accessed from the road via a farm track.