IIAbertillery and District Hospital (original ranges only) The hospital is situated to the south of the Abertillery valley, high up on a spur of land overlooking the confluence of the River Ebbw and the River Ebbw Fach, and approached from Pantddu Road, where
IIBarn at Gelli Close to the rear of Gelli farmhouse and opposite its attached byre range thus forming a small walled farmyard.
IIBarn at Llanerch-uchaf At right angles to Llanerch-uchaf farmhouse and attached farm range with which it forms a farmyard, and backing onto the lane.
IIChurch of Christ Church Aberbeeg Situated in a commanding position overlooking the Ebbw Valley on a spur just S of the confluence of the Ebbw and the Ebbw Fach rivers.
IICrumlin Old Farmhouse and abutting barn Situated on the N slope of Cwm Kendon between Crumlin and Croespenmaen and reached by a long track from the Trinant road.
IICrumlin Viaduct E Abutment Ebbw Valley High on the E side of the Ebbw Valley, the open ground of the steep hillside falling away below, with the Sofrydd development above.
IICrumlin Viaduct NE Abutment Cwm Kendon On the W side of the spur of land between the Ebbw Valley and Cwm Kendon reached by a footpath from the foot of Cwm Kendon or by Load of Hay Road above.
IICrumlin Viaduct W Abutment Ebbw Valley High on the W side of the Ebbw Valley, reached by a pathway from the foot of Cwm Kendon or by Load of Hay Road above.
IIFormer Barn at Croespenmaen In the hilltop community of Croespenmaen just S of the crossroads with the A 4251.
IIFormer Navigation Colliery Baths On the same terraced level as the colliery complex but further N, formerly reached both from the terrace and from a lane at lower level leading from Kendon Road in front of the Power House and Fan H
II*Former Navigation Colliery Chimney In the centre of the main Revetment Wall, between the N and S Winding Engine Houses and close to the Workshops and Store, and Lamp Room to rear.
II*Former Navigation Colliery Fan House and Fan Drift Located on a lane N from Kendon Road near the centre of Crumlin. At the S end of the colliery complex at road level, paired in position with the Power House on the other side of the Heapstead.
IIFormer Navigation Colliery Heapstead and Main Revetment Wall Located on a lane leading N from Kendon Road near the centre of Crumlin. The Heapstead is the high stone revetment wall supporting the main terrace level of the colliery and stretches from the Former
IIFormer Navigation Colliery Offices On the S side of the colliery complex, at terrace level and rising directly from the main Revetment Wall, approached both from the terrace and by a flight of steps up the bank from S.
II*Former Navigation Colliery Power House and Pump House Located on a lane N from Kendon Road near the centre of Crumlin. At the N end of the colliery complex at road level, paired in position with the Fan House on the other side of the Heapstead.
IIGelli farmhouse and attached farm range A hilltop site just E of Pen-y-fan Pond and reached by a lane linking the main road through the industrial estate to W with the Pentwyn development at Trinant to E.
IIPenrhiwlas In the hilltop hamlet of Croespenmaen on the E side of the old lane which leads down into Crumlin.
IIPentref-y-Groes The most westerly of a group of 3 former farmsteads joined by a track on the hillside above Cwm Dows S of Croespenmaen, now bordered by an industrial estate and reached via a track skirting this.
IIRear Revetment Wall S This section of the Rear Revetment Wall extends behind the Former Colliery offices.
IIViaduct Cottage Situated close to the two abutments of the former Crumlin Viaduct where it crossed the spur of land linking the Ebbw Valley with Cwm Kendon and reached from Load of Hay Lane or by footpath from the fo