| Name | Location | County | Country | Power source | Type | Function | River |
| Esgair Moel Woollen Mill, St Fagans National History Museum | St Fagans, Cardiff | Glamorgan | United Kingdom | Water | Watermill | Woollen mill | |
| Gorse mill, St Fagans National History Museum | St Fagans, Cardiff | Glamorgan | United Kingdom | Water | Watermill | Gorse mill | |
| Melin Bompren, St Fagans National History Museum | St Fagans, Cardiff | Glamorgan | United Kingdom | Water | Watermill | Corn mill | |
| Saw mill, St Fagans National History Museum | St Fagans, Cardiff | Glamorgan | United Kingdom | Water | Watermill | Saw mill | |
| Tannery, St Fagans National History Museum | St Fagans, Cardiff | Glamorgan | United Kingdom | Water | Watermill | Bark mill, Tannery |