IIDrinking Fountain In the centre of the junction of Taff Street and Penuel Lane.
IIEglwys Gymraeg Sardis (Sardis Chapel) Set back from, and above the road immediately below the N end of the railway station. It is reached up steps in the forecourt wall facing the road.
IIFormer Mission Hall On the E side of the River Taff, beyond Ynysangharad Park and the A470, and below Coed-pen-maen Common. Set high above the road with rubble forecourt wall. The rear elevation is below Merthyr Road.
II*Former Rolling Mill at Treforest Tinplate Works At the S end of Treforest and reached across a bridge over the Taff W of Cardiff Road. The rolling mill is at the S end of the former works.
IHetty Engine House On the W side of Hopkinstown and in a prominent position set high above the main Pontypridd to Rhondda road behind a rubble-stone wall.
IIMarket Chambers On the corner with Church Street in the pedestrianised centre of the town. Market Chambers faces Market Street and incorporates shops known as 5-6 Market Street in its lower storey.
IIMarket Tavern Hotel Within the pedestrianised area of the town centre on the N side of Market Chambers.
IIOld Market Hall In the town centre, uphill from and W of the attached Market Chambers.
IIPets Corner At the N end of the shops on the ground floor of Market Chambers
IIPig Sty at Berthlwyd Farm In the centre of the farm yard on the E side of the house. Berthlwyd Farm is an upland farm S of Treforest, reached by farm road on the E side of a minor road from Pontypridd to Church Village.
IPontypridd Bridge Spanning the River Taff on the N side of the town centre.
IIRhondda Branch Junction Signal Box To N of the Railway Station within the junction of the railway lines immediately N of Sardis Road and S of the 2 viaducts spanning the River Rhondda.
IISt David's Presbyterian Church and Hall Approximately 100m N of St Catherine's Church, set slightly back from the road behind a forecourt wall with railings.