London Borough of Hillingdon

Conservation area: Black Jacks and Copper Mill Lock 3404

Legend

• London Borough of Hillingdon boundary
• Conservation areas

Black Jacks and Copper Mill Lock 3404

• reference: 3404
• designation-date: 1975-01-01
• documentation-url: https://www.hillingdon.gov.uk/conservation-areas
• entry-date: 2025-09-09
• geometry: MULTIPOLYGON (((-0.499643 51.608597,-0.499631 51.608501,-0.499529...
• name: Black Jacks and Copper Mill Lock
• notes: No Appraisal document.
• point: POINT (-0.497407 51.607967)
• start-date: 1980-10-23