IISion Independent ChapelMerthyr TydfilSituated on corner of Chapel Street and Cardiff Street, behind narrow railed forecourt with stone gatepiers.
IIAberfan Calvinistic Methodist ChapelMerthyr TydfilProminently situated on main road at N end of terrace row, set in raised forecourt with stone gate piers.
IIBethania Independent ChapelMerthyr TydfilProminently situated at the lower end of the street, overlooking the High Street.
IICapel Tabernacl (Welsh Baptist Church)Merthyr TydfilOccupying a prominent corner site facing down Vulcan Road, Morgantown.
IICarmel Welsh Baptist ChapelMerthyr TydfilSet back from High Street at splayed junction with Holford Street and Pontycapel Road. Enclosed burial ground.
IIChapelMerthyr TydfilOn corner site, attached to No 20 New Castle Street.
IIChurch Hall at Capel TabernaclMerthyr TydfilOccupying a prominent corner site facing down Vulcan Road, Morgantown.
IIChurch of St JohnMerthyr TydfilOn corner of Upper Union Street and Station Road some 100m SW of Dowlais Works Stables.
IIChurch of St John the BaptistMerthyr TydfilSituated on the W side of the Afon Taf in a prominent position on the N side of the Cwmdu Road.
IIChurch of St John the BaptistMerthyr TydfilIn a prominent position on the NE side of New Church Road in Cefn Coed-y-Cymmer.
IIHen Dy Cwrdd Unitarian ChapelMerthyr TydfilNear the centre of Cefn Coed-y-Cymmer on the W side of Old Chapel Road.
IIHigh Street Baptist ChurchMerthyr TydfilOn a detached site midway down the pedestrianised section of High Street.
IIIvor English Congregational ChurchMerthyr TydfilOn the SE side of Ivor Street just NW of Dowlais Works Stables and some 75m NE of the Church of St John.
IIMerthyr Christian CentreMerthyr TydfilOn an elevated site against the hillside with gabled front closing the view up Church Street.
IISalem Baptist ChapelMerthyr TydfilOn bend in road, immediately south of The Square in centre of Bedlinog. Burial ground to the front
IISt David's ChurchMerthyr TydfilProminently sited in an open churchyard on the corner with Church Street, gabled W front to High Street.
IISt Illtyd's Roman Catholic ChurchMerthyr TydfilReached by a lane on the SW side of Balaclava Road; on steeply sloping site.
IISt Tydfil's ChurchMerthyr TydfilSituated in an enclosed churchyard at S end of High Street close to roundabout on A470 road.
IITabernacle Independent Chapel.Merthyr TydfilIn centre of Treharris, opposite Bethel Chapel, on rise overlooking valley. Iron rails along side and stone gate piers at upper end, into forecourt.
IITabor Independent ChapelMerthyr TydfilProminently situated, on rising ground overlooking the Heads of the Valleys Road, at junction of High Street and Grawen Lane
IIUnitarian ChapelMerthyr TydfilSet in terraced row close to corner with Church Street.
IIWesley Methodist ChurchMerthyr TydfilSet back slightly to right of Nos 12 and 12A Pontmorlais.
IIZion Chapel (Capel Seion)Merthyr TydfilBuilt across the steep slope with frontage forward to road.
IIZoar Chapel (Welsh Congregational)Merthyr TydfilSet back to rear of Nos 3, 4 and 5 Pontmorlais and reached by a gated lane shared with the adjoining Council Offices.