| ACE_size_designation | Local authority - type two |
| ACE_size_source | mm.ace.301 |
| Accreditation | Accredited |
| Accreditation_source | mm.ace.301 |
| Address_line_1 | Mill Green |
| Admin_hierarchy | /England/East of England (English Region)/Hertfordshire (English County)/Welwyn Hatfield (English District or Borough) |
| DOMUS_Subject_Matter | social history |
| DOMUS_identifier | 48 |
| Deprivation_index | 4 |
| Deprivation_index_crime | 6 |
| Deprivation_index_education | 7 |
| Deprivation_index_employment | 5 |
| Deprivation_index_health | 6 |
| Deprivation_index_housing | 5 |
| Deprivation_index_income | 4 |
| Deprivation_index_services | 1 |
| Geodemographic_group | Larger Towns and Cities |
| Geodemographic_group_code | 2ar |
| Geodemographic_group_name_long | 2ar-Larger Towns and Cities |
| Geodemographic_subgroup | Larger Towns and Cities |
| Geodemographic_subgroup_code | 2a1r |
| Geodemographic_subgroup_name_long | 2a1r-Larger Towns and Cities |
| Geodemographic_supergroup | Business Education and Heritage Centres |
| Geodemographic_supergroup_code | 2r |
| Geodemographic_supergroup_name_long | 2r-Business Education and Heritage Centres |
| Governance | Government-Local_Authority |
| Identifier_used_in_source_database | SE000034 |
| Latitude | 51.772966 |
| Longitude | -0.204944 |
| Name_of_museum | Mill Green Museum And Mill |
| Postcode | AL9 5PD |
| Primary_provenance_of_data | domus |
| Region_country | East |
| Size | medium |
| Size_prov | domus |
| Subject_Matter | Local_Histories |
| Town_or_City | Hatfield |
| Visitor_Numbers_Data | 0:17379:2009:MA(fam) |
| Year_closed | 9999:9999 |
| Year_closed_source | https://www.tripadvisor.co.uk/Attraction_Review-g503867-d2209613-Reviews-Mill_Green_Museum_and_Mill-Hatfield_Hertfordshire_England.html |
| Year_opened | 1974:1974 |
| Year_opened_source | dfoundation |
| media | 0 |
| project_id | mm.domus.SE034 |