# List of scheduled monuments in the Vale of Glamorgan

The Vale of Glamorgan county borough is a rural and agricultural area of south Wales. With 110 scheduled monuments, evenly spread across the borough, it is an area with a high density of such sites. Forty-one sites date to prehistoric times, including three neolithic tombs, eighteen round barrows and sixteen Iron Age hill forts. The four Roman sites include two Roman Villas, and there are seven pre-Norman medieval sites, mainly chapels and crosses. It is the 52 medieval monuments that provide some of the most visible remains. There are seven castles and a further eighteen defensive locations. There are also eight religious sites, including crosses, a chantry and a priory. Unusually, four of the six post-medieval sites are 20th-century structures, being World War II defences. All of the Vale of Glamorgan administrative area lies within the historic county of Glamorgan.
Scheduled monuments have statutory protection. The compilation of the list is undertaken by Cadw Welsh Historic Monuments, which is an executive agency of the National Assembly of Wales. The list of scheduled monuments below is supplied by Cadw with additional material from RCAHMW and Glamorgan-Gwent Archaeological Trust.

## Scheduled monuments in the Vale of Glamorgan

| Name | Site type | Community | Location | Details | Period | SAM No & Refs |
| Coed-y-Cwm Chambered Cairn | Chambered tomb | St Nicholas and Bonvilston | 51°27′20″N 3°19′26″W﻿ / ﻿51.4556°N 3.324°W﻿ / 51.4556; -3.324﻿ (Coed-y-Cwm Chambered Cairn), ST081737 | Limestone slabs excavated in 1936. There is doubt that the stones are manmade, but a stone axe was found, showing neolithic activity at the site. | 1.1Prehistoric (Neolithic) | GM116 |
| Tinkinswood Burial Chamber | Chambered long barrow | St Nicholas and Bonvilston | 51°27′05″N 3°18′26″W﻿ / ﻿51.4513°N 3.3072°W﻿ / 51.4513; -3.3072﻿ (Tinkinswood Burial Chamber), ST092732 | Chambered long cairn with stone walling and a megalithic chamber. Excavation in 1914 found disarticulated bones from at least 50 individuals. The site is in the care of Cadw, and accessible to the public. | 1.1Prehistoric (Neolithic) | GM009 |
| St Lythans Burial Chamber | Chambered long barrow | Wenvoe | 51°26′33″N 3°17′42″W﻿ / ﻿51.4426°N 3.2951°W﻿ / 51.4426; -3.2951﻿ (St Lythan's Burial Chamber), ST100723 | Also known as the Maesyfelin Chambered Long Cairn, and Gwal y Filiast (The Greyhound's Kennel), this was once a mound 25 m (80 ft) long, of which only the chamber at east is end now visible. The massive capstone weighs an estimated 35 tons. It is in the care of Cadw, and accessible to the public. | 1.1Prehistoric (Neolithic) | GM008 |
| Two Cooking Mounds E of Ty'n-y-Pwll | Burnt mound | Pendoylan | 51°28′19″N 3°20′21″W﻿ / ﻿51.4719°N 3.3393°W﻿ / 51.4719; -3.3393﻿ (Two Cooking Mounds E of Ty'n-y-Pwll), ST070756 | | 1.2Prehistoric | GM365 |
| Round Barrow 612m N of Bendrick Rock | Round barrow | Barry | 51°23′56″N 3°15′02″W﻿ / ﻿51.399°N 3.2505°W﻿ / 51.399; -3.2505﻿ (Round Barrow 612m N of Bendrick Rock), ST131674 | | 1.3Prehistoric | GM310 |
| Westward Corner Round Barrow | Round barrow | Barry | 51°23′38″N 3°18′25″W﻿ / ﻿51.3939°N 3.307°W﻿ / 51.3939; -3.307﻿ (Westward Corner Round Barrow), ST091669 | | 1.3Prehistoric | GM360 |
| Round Barrow 800m SE of Malborough Grange | Round barrow | Cowbridge with Llanblethian | 51°26′51″N 3°28′11″W﻿ / ﻿51.4474°N 3.4698°W﻿ / 51.4474; -3.4698﻿ (Round Barrow 800m SE of Malborough Grange), SS979730 | | 1.3Prehistoric | GM292 |
| Round Barrows N of Breach Farm | Round barrow | Cowbridge with Llanblethian | 51°27′16″N 3°29′01″W﻿ / ﻿51.4545°N 3.4835°W﻿ / 51.4545; -3.4835﻿ (Round Barrows N of Breach Farm), SS970738 | | 1.3Prehistoric | GM104 |
| Stalling Down Round Barrow | Round barrow | Cowbridge with Llanblethian | 51°27′52″N 3°25′27″W﻿ / ﻿51.4645°N 3.4241°W﻿ / 51.4645; -3.4241﻿ (Stalling Down Round Barrow), ST012749 | | 1.3Prehistoric | GM230 |
| Corntown causewayed enclosure | Causewayed enclosure | Ewenny | 51°28′36″N 3°32′51″W﻿ / ﻿51.4766°N 3.5476°W﻿ / 51.4766; -3.5476﻿ (Corntown causewayed enclosure), SS926764 | | 1.3Prehistoric | GM585 |
| Domen Fawr Round Barrows | Round barrow | Llan-maes | 51°25′45″N 3°27′40″W﻿ / ﻿51.4292°N 3.4612°W﻿ / 51.4292; -3.4612﻿ (Domen Fawr Round Barrows), SS985710 | | 1.3Prehistoric | GM189 |
| Walterston ringwork | Enclosure | Llancarfan | 51°25′56″N 3°20′30″W﻿ / ﻿51.4321°N 3.3417°W﻿ / 51.4321; -3.3417﻿ (Walterston ringwork), ST068712 | | 1.3Prehistoric | GM251 |
| Morfa House Round Barrow | Round barrow | Llantwit Major | 51°25′13″N 3°29′51″W﻿ / ﻿51.4202°N 3.4976°W﻿ / 51.4202; -3.4976﻿ (Morfa House Round Barrow), SS959700 | | 1.3Prehistoric | GM188 |
| Heol y Mynydd Round Barrow | Round barrow | St Brides Major | 51°27′51″N 3°36′28″W﻿ / ﻿51.4641°N 3.6078°W﻿ / 51.4641; -3.6078﻿ (Heol y Mynydd Round Barrow), SS884751 | Bracken-covered mound near the roadside at Heol y Mynydd | 1.3Prehistoric | GM242 |
| Croes Heol y Splott Round Barrow | Round barrow | St Donats | 51°25′28″N 3°30′59″W﻿ / ﻿51.4245°N 3.5163°W﻿ / 51.4245; -3.5163﻿ (Croes Heol y Splott Round Barrow), SS946705 | | 1.3Prehistoric | GM187 |
| Nash Point Round Barrows | Round barrow | St Donats | 51°24′40″N 3°33′43″W﻿ / ﻿51.4111°N 3.562°W﻿ / 51.4111; -3.562﻿ (Nash Point Round Barrows), SS914691 | | 1.3Prehistoric | GM114 |
| Round Barrows NE of Church Farm | Round barrow | St Donats | 51°25′30″N 3°33′06″W﻿ / ﻿51.4249°N 3.5517°W﻿ / 51.4249; -3.5517﻿ (Round Barrows NE of Church Farm), SS922706 | | 1.3Prehistoric | GM262 |
| Round Barrows South of Monkton | Round barrow | St Donats | 51°25′29″N 3°32′15″W﻿ / ﻿51.4248°N 3.5375°W﻿ / 51.4248; -3.5375﻿ (Round Barrows South of Monkton), SS931706 | | 1.3Prehistoric | GM109 |
| Round Barrows W of Cant-Erw | Round barrow | St Donats | 51°25′51″N 3°31′59″W﻿ / ﻿51.4309°N 3.5331°W﻿ / 51.4309; -3.5331﻿ (Round Barrows W of Cant-Erw), SS935713 | | 1.3Prehistoric | GM111 |
| St-y-Nyll Round Barrow | Round barrow | St Georges-super-Ely | 51°29′47″N 3°17′48″W﻿ / ﻿51.4964°N 3.2967°W﻿ / 51.4964; -3.2967﻿ (St-y-Nyll Round Barrow), ST100782 | | 1.3Prehistoric | GM204 |
| Maes-y-Hwyaid Round Barrow | Round barrow | Welsh St Donats | 51°27′57″N 3°23′20″W﻿ / ﻿51.4658°N 3.3888°W﻿ / 51.4658; -3.3888﻿ (Maes-y-Hwyaid Round Barrow), ST036750 | | 1.3Prehistoric | GM321 |
| Two Round Barrows 300m North of Tair Onnen | Round barrow | Welsh St Donats | 51°27′54″N 3°22′52″W﻿ / ﻿51.4651°N 3.3811°W﻿ / 51.4651; -3.3811﻿ (Two Round Barrows 300m North of Tair Onnen), ST041749 | | 1.3Prehistoric | GM390 |
| Greave Round Barrow | Round barrow | Wenvoe | 51°27′04″N 3°15′38″W﻿ / ﻿51.4512°N 3.2606°W﻿ / 51.4512; -3.2606﻿ (Greave Round Barrow), ST124732 | | 1.3Prehistoric | GM183 |
| Rhyle Round Barrow | Round barrow | Wick | 51°26′32″N 3°33′37″W﻿ / ﻿51.4423°N 3.5604°W﻿ / 51.4423; -3.5604﻿ (Rhyle Round Barrow), SS916726 | | 1.3Prehistoric | GM181 |
| Caer Dynnaf hillfort | Hillfort | Cowbridge with Llanblethian | 51°27′29″N 3°27′51″W﻿ / ﻿51.4581°N 3.4641°W﻿ / 51.4581; -3.4641﻿ (Caer Dynnaf hillfort), SS983742 | | 1.5Prehistoric | GM100 |
| Llanquian Wood Camp | Hillfort | Cowbridge with Llanblethian | 51°27′39″N 3°24′35″W﻿ / ﻿51.4607°N 3.4096°W﻿ / 51.4607; -3.4096﻿ (Llanquian Wood Camp), ST021744 | | 1.5Prehistoric | GM182 |
| Castell Moel | Hillfort | Llancarfan | 51°27′08″N 3°21′45″W﻿ / ﻿51.4521°N 3.3624°W﻿ / 51.4521; -3.3624﻿ (Castell Moel), ST054734 | | 1.5Prehistoric | GM298 |
| Castle Ditches | Hillfort | Llancarfan | 51°25′17″N 3°21′17″W﻿ / ﻿51.4214°N 3.3546°W﻿ / 51.4214; -3.3546﻿ (Castle Ditches), ST059700 | | 1.5Prehistoric | GM071 |
| Llantrithyd Camp | Enclosure | Llancarfan | 51°26′58″N 3°23′06″W﻿ / ﻿51.4494°N 3.3849°W﻿ / 51.4494; -3.3849﻿ (Llantrithyd Camp), ST038731 | | 1.5Prehistoric | GM257 |
| Llanvithyn Camp | Hillfort | Llancarfan | 51°26′15″N 3°21′41″W﻿ / ﻿51.4374°N 3.3615°W﻿ / 51.4374; -3.3615﻿ (Llanvithyn Camp), ST054718 | | 1.5Prehistoric | GM293 |
| Mynydd Bychan | Settlement | Llandow | 51°28′12″N 3°29′39″W﻿ / ﻿51.4699°N 3.4942°W﻿ / 51.4699; -3.4942﻿ (Mynydd Bychan), SS963756 | | 1.5Prehistoric | GM076 |
| Castle Ditches Camp | Hillfort | Llantwit Major | 51°23′48″N 3°29′46″W﻿ / ﻿51.3967°N 3.4961°W﻿ / 51.3967; -3.4961﻿ (Castle Ditches Camp), SS960674 | | 1.5Prehistoric | GM019 |
| Summerhouse Camp | Hillfort | Llantwit Major | 51°23′19″N 3°26′46″W﻿ / ﻿51.3885°N 3.4461°W﻿ / 51.3885; -3.4461﻿ (Summerhouse Camp), SS994664 | | 1.5Prehistoric | GM032 |
| The Bulwarks Camp | Hillfort | Rhoose | 51°23′19″N 3°19′15″W﻿ / ﻿51.3887°N 3.3208°W﻿ / 51.3887; -3.3208﻿ (The Bulwarks Camp), ST081663 | | 1.5Prehistoric | GM029 |
| Dunraven Castle Hillfort | Hillfort | St Brides Major | 51°26′33″N 3°36′09″W﻿ / ﻿51.4425°N 3.6025°W﻿ / 51.4425; -3.6025﻿ (Dunraven Castle Hillfort), SS887727 | Promontary fort at the top of 60 metres (200 ft) sea-cliffs, on the Southerndown Coast. The distinctive headland is known as Trwyn y Witch. Half of the ramparts and interior are lost to coastal erosion. Later castle buildings have also erased parts of the earthworks. 21 roundhouse sites are located within the fort. | 1.5Prehistoric Iron Age | GM350 |
| Promontory Fort on Fleming's Down | Promontory Fort - inland | St Brides Major | 51°28′46″N 3°36′03″W﻿ / ﻿51.4794°N 3.6009°W﻿ / 51.4794; -3.6009﻿ (Promontory Fort on Fleming's Down), SS889768 | Bank and ditch across a high promontary overlooking the Ewenny and Ogmore valleys. | 1.5Prehistoric Iron Age | GM466 |
| Cwm Nash Defended Enclosure | Promontory Fort - inland | St Donats | 51°25′18″N 3°34′16″W﻿ / ﻿51.4218°N 3.5711°W﻿ / 51.4218; -3.5711﻿ (Cwm Nash Defended Enclosure), SS908703 | | 1.5Prehistoric | GM614 |
| Nash Point Camp | Hillfort | St Donats | 51°24′18″N 3°33′39″W﻿ / ﻿51.4049°N 3.5609°W﻿ / 51.4049; -3.5609﻿ (Nash Point Camp), SS915684 | | 1.5Prehistoric | GM033 |
| Y Gaer | Ringwork | St Nicholas and Bonvilston | 51°27′50″N 3°20′59″W﻿ / ﻿51.4638°N 3.3496°W﻿ / 51.4638; -3.3496﻿ (Y Gaer), ST063747 | | 1.5Prehistoric | GM079 |
| Sully Island, "Danish" Fort | Hillfort | Sully | 51°23′45″N 3°11′47″W﻿ / ﻿51.3957°N 3.1965°W﻿ / 51.3957; -3.1965﻿ (Sully Island, "Danish" Fort), ST168669 | | 1.5Prehistoric | GM035 |
| Cwm Bach Camps | Hillfort | Wick | 51°26′02″N 3°35′15″W﻿ / ﻿51.4339°N 3.5876°W﻿ / 51.4339; -3.5876﻿ (Cwm Bach Camps), SS897717 | | 1.5Prehistoric | GM186 |
| Knap Roman Site | Villa | Barry | 51°23′26″N 3°17′46″W﻿ / ﻿51.3905°N 3.2961°W﻿ / 51.3905; -3.2961﻿ (Knap Roman Site), ST099665 | | 2Roman | GM419 |
| Romano-British Farmstead, Dinas Powys Common | Settlement | Dinas Powys | 51°25′52″N 3°13′21″W﻿ / ﻿51.4311°N 3.2224°W﻿ / 51.4311; -3.2224﻿ (Romano-British Farmstead, Dinas Powys Common), ST151709 | | 2Roman | GM431 |
| Moulton Roman Site | Building (Unclassified) | Llancarfan | 51°25′04″N 3°20′00″W﻿ / ﻿51.4177°N 3.3332°W﻿ / 51.4177; -3.3332﻿ (Moulton Roman Site), ST073695 | | 2Roman | GM253 |
| Caermead Roman Site | Villa | Llantwit Major | 51°25′08″N 3°29′57″W﻿ / ﻿51.419°N 3.4991°W﻿ / 51.419; -3.4991﻿ (Caermead Roman Site), SS958699 | | 2Roman | GM020 |
| St Barruch's Chapel | Chapel | Barry | 51°23′32″N 3°16′02″W﻿ / ﻿51.3923°N 3.2672°W﻿ / 51.3923; -3.2672﻿ (St Barruch's Chapel), ST119666 | | 3Early Medieval | GM120 |
| Llancarfan Monastery (Site of) | Monastery | Llancarfan | 51°25′17″N 3°21′55″W﻿ / ﻿51.4215°N 3.3653°W﻿ / 51.4215; -3.3653﻿ (Llancarfan Monastery (Site of)), ST051700 | | 3Early Medieval | GM075 |
| Pillar-Cross in Llandough Churchyard | Cross | Llandough, Penarth | 51°27′08″N 3°11′56″W﻿ / ﻿51.4522°N 3.1988°W﻿ / 51.4522; -3.1988﻿ (Pillar-Cross in Llandough Churchyard), ST168732 | | 3Early Medieval | GM209 |
| Llangan Celtic Cross | Cross | Llangan | 51°29′23″N 3°30′11″W﻿ / ﻿51.4898°N 3.5031°W﻿ / 51.4898; -3.5031﻿ (Llangan Celtic Cross), SS957778 | Located near the west wall of St Canna's Church in Llangan a disc-headed cross slab, 1.3 m high, depicting the crucifixion, 9th or 10th century; set in a stone within an open shelter. | 3Early Medieval | GM211 |
| Cwm George Camp | Earthwork (unclassified) | Michaelston | 51°26′34″N 3°13′38″W﻿ / ﻿51.4427°N 3.2272°W﻿ / 51.4427; -3.2272﻿ (Cwm George Camp), ST148722 | | 3Early Medieval | GM023 |
| Tyn y Coed Earthwork | Earthwork (unclassified) | Michaelston | 51°26′27″N 3°13′33″W﻿ / ﻿51.4407°N 3.2258°W﻿ / 51.4407; -3.2258﻿ (Tyn y Coed Earthwork), ST148720 | | 3Unknown | GM024 |
| Croes Antoni | Cross | St Brides Major | 51°27′53″N 3°35′41″W﻿ / ﻿51.4648°N 3.5946°W﻿ / 51.4648; -3.5946﻿ (Croes Antoni), SS893751 | Weathered socket stone, probably from a pre-Norman cross. | 3Early Medieval | GM333 |
| Barry Castle | Manor | Barry | 51°23′48″N 3°17′38″W﻿ / ﻿51.3966°N 3.2939°W﻿ / 51.3966; -3.2939﻿ (Barry Castle), ST100671 | | 4Medieval | GM135 |
| Highlight Church, Remains of | Church | Barry | 51°25′15″N 3°18′01″W﻿ / ﻿51.4208°N 3.3003°W﻿ / 51.4208; -3.3003﻿ (Highlight Church, Remains of), ST096698 | | 4Medieval | GM344 |
| Highlight Medieval House Site | House (domestic) | Barry | 51°25′11″N 3°17′42″W﻿ / ﻿51.4197°N 3.2951°W﻿ / 51.4197; -3.2951﻿ (Highlight Medieval House Site), ST100697 | | 4Medieval | GM301 |
| Site of Medieval Mill & Mill Leat Cliffwood | Mill | Barry | 51°23′39″N 3°18′41″W﻿ / ﻿51.3943°N 3.3114°W﻿ / 51.3943; -3.3114﻿ (Site of Medieval Mill & Mill Leat Cliffwood), ST088669 | | 4Medieval | GM446 |
| Llanquian Castle | Motte | Cowbridge with Llanblethian | 51°27′36″N 3°24′49″W﻿ / ﻿51.4601°N 3.4135°W﻿ / 51.4601; -3.4135﻿ (Llanquian Castle), ST018744 | | 4Medieval | GM225 |
| South Gate | Gatehouse | Cowbridge with Llanblethian | 51°27′40″N 3°27′02″W﻿ / ﻿51.4612°N 3.4505°W﻿ / 51.4612; -3.4505﻿ (South Gate), SS993745 | | 4Medieval | GM136 |
| St Quentin's Castle, Llanblethian | Castle | Cowbridge with Llanblethian | 51°27′27″N 3°27′23″W﻿ / ﻿51.4576°N 3.4564°W﻿ / 51.4576; -3.4564﻿ (St Quintin's Castle), SS989741 | | 4Medieval | GM094 |
| Dinas Powis Castle | Castle | Dinas Powys | 51°26′15″N 3°13′13″W﻿ / ﻿51.4374°N 3.2203°W﻿ / 51.4374; -3.2203﻿ (Dinas Powis Castle), ST152716 | | 4Medieval | GM021 |
| Ewenny Priory | Priory | Ewenny | 51°29′20″N 3°34′03″W﻿ / ﻿51.4888°N 3.5676°W﻿ / 51.4888; -3.5676﻿ (Ewenny Priory), SS912778 | | 4Medieval | GM190 |
| Horseland moated homestead | Moated Site | Llancarfan | 51°26′33″N 3°22′55″W﻿ / ﻿51.4424°N 3.3819°W﻿ / 51.4424; -3.3819﻿ (Horseland moated homestead), ST040723 | | 4Medieval | GM388 |
| Llancadle Deserted Medieval Village | Deserted Medieval Village | Llancarfan | 51°24′15″N 3°23′20″W﻿ / ﻿51.4042°N 3.3888°W﻿ / 51.4042; -3.3888﻿ (Llancadle Deserted Medieval Village), ST034681 | | 4Medieval | GM534 |
| Medieval House Site, Llantrithyd | Enclosure - Domestic | Llancarfan | 51°26′43″N 3°22′30″W﻿ / ﻿51.4453°N 3.375°W﻿ / 51.4453; -3.375﻿ (Medieval House Site, Llantrithyd), ST045727 | | 4Medieval | GM282 |
| Llandow Castle-Ringwork | Ringwork | Llandow | 51°26′52″N 3°31′27″W﻿ / ﻿51.4477°N 3.5241°W﻿ / 51.4477; -3.5241﻿ (Llandow Castle-Ringwork), SS941731 | | 4Medieval | GM515 |
| Llandough Castle, Remains of Hall | Castle | Llanfair | 51°26′49″N 3°26′51″W﻿ / ﻿51.447°N 3.4476°W﻿ / 51.447; -3.4476﻿ (Llandough Castle, Remains of Hall), SS995729 | | 4Medieval | GM337 |
| Old Beaupre Castle | House (domestic) | Llanfair | 51°26′19″N 3°25′39″W﻿ / ﻿51.4385°N 3.4274°W﻿ / 51.4385; -3.4274﻿ (Old Beaupre Castle), ST008720 | | 4Medieval | GM001 |
| St Mary Hill cross | Cross | Llangan | 51°30′11″N 3°30′10″W﻿ / ﻿51.503°N 3.5028°W﻿ / 51.503; -3.5028﻿ (Medieval Cross in St Mary's Churchyard), SS957793 | Medieval cross head in the Churchyard at St Mary Hill, north of Llangan. Original carved canopied figures are on each side of the head. The socket stone and the shaft are not original. | 4Medieval | GM224 |
| Medieval Cross in Churchyard | Cross | Llangan | 51°29′23″N 3°30′10″W﻿ / ﻿51.4896°N 3.5029°W﻿ / 51.4896; -3.5029﻿ (Medieval Cross in St Canna's churchyard), SS957778 | Church Cross at St Canna's Church in Llangan. Set on a four-step base with cross-shaft and sculptured head, possibly 15th century. | 4Medieval | GM210 |
| Ringwork & Bailey at Gelligarn | Ringwork | Llangan | 51°29′51″N 3°29′56″W﻿ / ﻿51.4975°N 3.4988°W﻿ / 51.4975; -3.4988﻿ (Ringwork & Bailey at Gelligarn), SS960786 | | 4Medieval | GM377 |
| Bedford Castle | Motte | Llantwit Major | 51°24′49″N 3°28′05″W﻿ / ﻿51.4136°N 3.468°W﻿ / 51.4136; -3.468﻿ (Bedford Castle), SS980693 | | 4Medieval | GM113 |
| Boverton Place | House (domestic) | Llantwit Major | 51°24′18″N 3°27′51″W﻿ / ﻿51.4049°N 3.4641°W﻿ / 51.4049; -3.4641﻿ (Boverton Place), SS982683 | Built by Robert Fitzhamon and rebuilt 1598 by Roger Seys, Attorney General for Wales. | 4Medieval | GM422 |
| Llantwit Major Castle | Manor | Llantwit Major | 51°24′40″N 3°29′17″W﻿ / ﻿51.411°N 3.488°W﻿ / 51.411; -3.488﻿ (Llantwit Major Castle), SS966690 | Ruin of an Elizabethan manor house, built by Griffith Williams for his daughter and son-in-law Edmund Vann in 1596. | 4Medieval | GM137 |
| Llantwit Major Dovecot | Dovecote | Llantwit Major | 51°24′25″N 3°29′19″W﻿ / ﻿51.407°N 3.4887°W﻿ / 51.407; -3.4887﻿ (Llantwit Major Dovecot), SS965686 | Dove Cote covered by a domical vault and 13th-century cylindrical column close, to St Illtuds Church, next to the site of the old tithe barn, built for the monks at the St. Illtud's monastery. | 4Medieval | GM140 |
| Llantwit Major Gatehouse | Gatehouse | Llantwit Major | 51°24′27″N 3°29′19″W﻿ / ﻿51.4075°N 3.4886°W﻿ / 51.4075; -3.4886﻿ (Llantwit Major Gatehouse), SS965686 | Gatehouse to the monastic grange at Llantwit Major | 4Medieval | GM141 |
| Llantwit Major Monastic Settlement (Site of) | Grange | Llantwit Major | 51°24′28″N 3°29′22″W﻿ / ﻿51.4078°N 3.4894°W﻿ / 51.4078; -3.4894﻿ (Llantwit Major Monastic Settlement (Site of)), SS965686 | Foundations, excavated in 1912, of utilititarian buildings associated with a large monastic establishment. | 4Medieval | GM142 |
| The Chantry House | Chantry | Llantwit Major | 51°24′28″N 3°29′16″W﻿ / ﻿51.4077°N 3.4877°W﻿ / 51.4077; -3.4877﻿ (The Chantry House), SS966686 | | 4Medieval | GM490 |
| Leckwith Bridge | Bridge | Michaelston, (also Canton), (see also Cardiff) | 51°28′12″N 3°12′43″W﻿ / ﻿51.4699°N 3.212°W﻿ / 51.4699; -3.212﻿ (Leckwith Bridge), ST159752 | | 4Medieval | GM014 |
| Cogan Deserted Medieval Village | Deserted Medieval Village | Penarth | 51°25′41″N 3°11′41″W﻿ / ﻿51.428°N 3.1948°W﻿ / 51.428; -3.1948﻿ (Cogan Deserted Medieval Village), ST170405 | | 4Medieval | GM535 |
| Penarth Churchyard Cross (Now in St Augustine's Church) | Cross | Penarth | 51°26′29″N 3°10′08″W﻿ / ﻿51.4415°N 3.1689°W﻿ / 51.4415; -3.1689﻿ (Penarth Churchyard Cross (Now in St Augustine's Church)), ST188720 | | 4Medieval | GM227 |
| Felin Isaf Castle Mound | Motte | Pendoylan | 51°30′16″N 3°21′17″W﻿ / ﻿51.5045°N 3.3547°W﻿ / 51.5045; -3.3547﻿ (Felin Isaf Castle Mound), ST060792 | | 4Medieval | GM370 |
| Ystradowen Castle Mound | Motte | Penllyn | 51°29′21″N 3°25′34″W﻿ / ﻿51.4891°N 3.4262°W﻿ / 51.4891; -3.4262﻿ (Ystradowen Castle Mound), ST010776 | | 4Medieval | GM228 |
| Remains of Peterston Castle | Castle | Peterston-super-Ely | 51°28′44″N 3°19′16″W﻿ / ﻿51.479°N 3.3212°W﻿ / 51.479; -3.3212﻿ (Remains of Peterston Castle), ST083763 | | 4Medieval | GM450 |
| Penmark Castle | Castle | Rhoose | 51°24′41″N 3°21′18″W﻿ / ﻿51.4113°N 3.355°W﻿ / 51.4113; -3.355﻿ (Penmark Castle), ST058689 | | 4Medieval | GM229 |
| Deserted Medieval Village North East of Rock Farm | Deserted Medieval Village | St Athan | 51°24′14″N 3°24′33″W﻿ / ﻿51.4039°N 3.4092°W﻿ / 51.4039; -3.4092﻿ (Deserted Medieval Village North East of Rock Farm), ST020681 | | 4Medieval | GM307 |
| East Orchard Manor House | Manor | St Athan | 51°24′12″N 3°23′52″W﻿ / ﻿51.4032°N 3.3977°W﻿ / 51.4032; -3.3977﻿ (East Orchard Manor House), ST028680 | | 4Medieval | GM082 |
| Fleminston Deserted Village | Deserted Medieval Village | St Athan | 51°25′08″N 3°24′10″W﻿ / ﻿51.4188°N 3.4027°W﻿ / 51.4188; -3.4027﻿ (Fleminston Deserted Village), ST025697 | | 4Medieval | GM300 |
| West Aberthaw Medieval Site | Settlement | St Athan | 51°23′30″N 3°24′15″W﻿ / ﻿51.3918°N 3.4043°W﻿ / 51.3918; -3.4043﻿ (West Aberthaw Medieval Site), ST023668 | | 4Medieval | GM297 |
| West Orchard Manor House | Manor | St Athan | 51°24′13″N 3°25′43″W﻿ / ﻿51.4035°N 3.4285°W﻿ / 51.4035; -3.4285﻿ (West Orchard Manor House), ST007681 | | 4Medieval | GM083 |
| Ogmore Castle | Castle | St Brides Major | 51°28′50″N 3°36′41″W﻿ / ﻿51.4805°N 3.6115°W﻿ / 51.4805; -3.6115﻿ (Ogmore Castle), SS881769 | Construction from 1116 or earlier, it includes one of the earliest stone keeps in Wales. Now a spectacular ruin between the Ogmore and Ewenny rivers. | 4Medieval | GM037 |
| Ogmore Stepping Stones | Stepping stones | St Brides Major, (also Merthyr Mawr), (see also Bridgend) | 51°28′51″N 3°36′44″W﻿ / ﻿51.4808°N 3.6122°W﻿ / 51.4808; -3.6122﻿ (Ogmore Stepping Stones), SS881769 | Rare survival of a complete stepping-stone crossing. 33 rectangular blocks span the river Ewenny hear Ogmore Castle. | 4Medieval | GM184 |
| St Bride's Major Churchyard Cross | Cross | St Brides Major | 51°27′48″N 3°35′35″W﻿ / ﻿51.4633°N 3.593°W﻿ / 51.4633; -3.593﻿ (St Bride's Major Churchyard Cross), SS894750 | Base of six steps, a socket stone and tapering shaft, in St Bridget's Churchyard. | 4Medieval | GM174 |
| Stepsau Duon | Stepping stones | St Brides Major | 51°28′10″N 3°34′20″W﻿ / ﻿51.4695°N 3.5722°W﻿ / 51.4695; -3.5722﻿ (Stepsau Duon), SS908756 | Also called Stepson Downs, these are 15 stone steps across the Afon Alun, alongside a ford near Castle-upon-Afon. | 4Medieval | GM185 |
| Area of Shrunken Medieval Village | Shrunken Medieval Village | St Donats | 51°24′50″N 3°32′43″W﻿ / ﻿51.414°N 3.5452°W﻿ / 51.414; -3.5452﻿ (Area of Shrunken Medieval Village), SS926694 | | 4Medieval | GM375 |
| St Donat's Churchyard Cross | Cross | St Donats | 51°24′05″N 3°32′03″W﻿ / ﻿51.4014°N 3.5343°W﻿ / 51.4014; -3.5343﻿ (St Donat's Churchyard Cross), SS933680 | | 4Medieval | GM361 |
| Tithe Barn, Dovecot & remains at Monknash | Barn | St Donats | 51°25′29″N 3°33′26″W﻿ / ﻿51.4247°N 3.5571°W﻿ / 51.4247; -3.5571﻿ (Tithe Barn, Dovecot & Remains of Other Buildings), SS918706 | | 4Medieval | GM143 |
| Castle Ringwork 850m ENE of Ty'n-y-Coed | Ringwork | St Nicholas & Bonvilston | 51°27′06″N 3°20′19″W﻿ / ﻿51.4517°N 3.3386°W﻿ / 51.4517; -3.3386﻿ (Castle Ringwork 850m ENE of Ty'n-y-Coed), ST070733 | | 4Medieval | GM613 |
| Coed y Cwm Ringwork | Ringwork | St Nicholas and Bonvilston | 51°27′17″N 3°19′17″W﻿ / ﻿51.4546°N 3.3215°W﻿ / 51.4546; -3.3215﻿ (Coed y Cwm Ringwork), ST082736 | | 4Medieval | GM117 |
| Cottrell Castle Mound | Motte | St Nicholas and Bonvilston | 51°27′43″N 3°19′28″W﻿ / ﻿51.462°N 3.3244°W﻿ / 51.462; -3.3244﻿ (Cottrell Castle Mound), ST080745 | | 4Medieval | GM364 |
| Cottrell Ringwork | Ringwork | St Nicholas and Bonvilston | 51°27′51″N 3°19′08″W﻿ / ﻿51.4641°N 3.3188°W﻿ / 51.4641; -3.3188﻿ (Cottrell Ringwork), ST084747 | | 4Medieval | GM096 |
| Doghill Moated Site, Dyffryn | Moated Site | St Nicholas and Bonvilston | 51°26′21″N 3°18′25″W﻿ / ﻿51.4393°N 3.3069°W﻿ / 51.4393; -3.3069﻿ (Doghill Moated Site, Dyffryn), ST092719 | | 4Medieval | GM069 |
| Middleton Moated Site | Moated Site | Sully | 51°24′37″N 3°13′22″W﻿ / ﻿51.4102°N 3.2229°W﻿ / 51.4102; -3.2229﻿ (Middleton Moated Site), ST150686 | | 4Medieval | GM378 |
| Castell Tal-y-Fan | Castle | Welsh St Donats | 51°29′06″N 3°24′41″W﻿ / ﻿51.4851°N 3.4114°W﻿ / 51.4851; -3.4114﻿ (Castell Tal-y-Fan), ST020771 | | 4Medieval | GM421 |
| Buarth-Mawr Barn | Barn | Wick | 51°26′18″N 3°33′06″W﻿ / ﻿51.4383°N 3.5517°W﻿ / 51.4383; -3.5517﻿ (Buarth-Mawr Barn), SS922721 | | 4Medieval | GM148 |
| Llantrithyd Place: remains of house, relict gardens and wells | House (domestic) | Llancarfan | 51°26′44″N 3°22′40″W﻿ / ﻿51.4456°N 3.3777°W﻿ / 51.4456; -3.3777﻿ (Llantrithyd Place: remains of house, relict gardens and wells), ST043727 | | 5Post-Medieval/Modern | GM555 |
| Early Cement Works, Aberthaw | Industrial building | Rhoose | 51°23′10″N 3°23′01″W﻿ / ﻿51.386°N 3.3835°W﻿ / 51.386; -3.3835﻿ (Early Cement Works, Aberthaw), ST038661 | | 5Post-Medieval/Modern | GM318 |
| Treguff RAF Airfield Decoy Control Centre | Decoy | Llancarfan | 51°25′44″N 3°23′44″W﻿ / ﻿51.4289°N 3.3955°W﻿ / 51.4289; -3.3955﻿ (Treguff RAF Airfield Decoy Control Centre), SO030709 | | 5.9Post-Medieval/Modern | GM604 |
| East Orchard Wood Pillbox | Pillbox | St Athan | 51°23′59″N 3°23′50″W﻿ / ﻿51.3996°N 3.3973°W﻿ / 51.3996; -3.3973﻿ (East Orchard Wood Pillbox), ST028676 | | 5.9Post-Medieval/Modern | GM598 |
| Limpert Bay Anti-invasion Defences | Anti-invasion defence site | St Athan | 51°23′19″N 3°26′18″W﻿ / ﻿51.3887°N 3.4384°W﻿ / 51.3887; -3.4384﻿ (Limpert Bay Anti-invasion Defences), ST000665 | | 5.9Post-Medieval/Modern | GM601 |
| Anti-aircraft and Coastal Battery W of Lavernock Point | Battery | Sully | 51°24′16″N 3°10′46″W﻿ / ﻿51.4044°N 3.1795°W﻿ / 51.4044; -3.1795﻿ (Anti-aircraft and Coastal Battery W of Lavernock Point), ST180679 | | 5.9Post-Medieval/Modern | GM448 |
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