| Accreditation | Unaccredited |
| Address_line_3 | Fonmon |
| Admin_hierarchy | /Wales/Vale of Glamorgan (Welsh UA) |
| Deprivation_index | 9 |
| Deprivation_index_crime | 7 |
| Deprivation_index_education | 10 |
| Deprivation_index_employment | 10 |
| Deprivation_index_health | 10 |
| Deprivation_index_housing | 9 |
| Deprivation_index_income | 9 |
| Deprivation_index_services | 2 |
| Geodemographic_group | Town Living |
| Geodemographic_group_code | 7cr |
| Geodemographic_group_name_long | 7cr-Town Living |
| Geodemographic_subgroup | Prosperous Towns |
| Geodemographic_subgroup_code | 7c2r |
| Geodemographic_subgroup_name_long | 7c2r-Prosperous Towns |
| Geodemographic_supergroup | Town and Country Living |
| Geodemographic_supergroup_code | 7r |
| Geodemographic_supergroup_name_long | 7r-Town and Country Living |
| Governance | Independent-Private |
| Latitude | 51.403828 |
| Longitude | -3.370865 |
| Name_of_museum | Fonmon Castle |
| Postcode | CF62 3ZN |
| Primary_provenance_of_data | hha |
| Region_country | Wales |
| Size | small |
| Size_prov | mm_prediction_random_forest |
| Subject_Matter | War_and_conflict-Castles_and_forts |
| Town_or_City | Barry |
| Year_closed | 9999:9999 |
| Year_closed_source | https://www.tripadvisor.co.uk/Attraction_Review-g552070-d2559474-Reviews-Fonmon_Castle-Barry_Vale_of_Glamorgan_South_Wales_Wales.html |
| Year_opened | 1960:2017 |
| Year_opened_source | [RANGE] |
| media | 0 |
| project_id | mm.hha.187 |