{"entry-date":"2026-07-19","start-date":"1973-01-22","end-date":"","entity":44007108,"name":"Aldenham","dataset":"conservation-area","typology":"geography","reference":"2443","prefix":"conservation-area","organisation-entity":165,"geometry":"MULTIPOLYGON (((-0.352667 51.671528, -0.352535 51.671562, -0.352195 51.67166, -0.352 51.671725, -0.351582 51.671888, -0.351332 51.671998, -0.351157 51.672084, -0.351045 51.672136, -0.350366 51.67248, -0.349949 51.672698, -0.349309 51.673043, -0.34917 51.673156, -0.349164 51.673163, -0.349118 51.673361, -0.349259 51.673419, -0.349453 51.673516, -0.349613 51.673592, -0.349805 51.673677, -0.349914 51.67373, -0.349953 51.673747, -0.349535 51.674092, -0.350082 51.674355, -0.350503 51.674005, -0.350752 51.674118, -0.350861 51.67417, -0.350975 51.674229, -0.351042 51.674259, -0.3511 51.674282, -0.351179 51.674317, -0.351251 51.674345, -0.351265 51.674441, -0.351764 51.674854, -0.351779 51.675032, -0.351936 51.674962, -0.352076 51.674892, -0.352107 51.674881, -0.352791 51.675088, -0.352758 51.675165, -0.353207 51.675229, -0.353212 51.675214, -0.354245 51.675304, -0.354564 51.67533, -0.354666 51.675036, -0.354766 51.674757, -0.354822 51.67459, -0.354875 51.67444, -0.355272 51.67467, -0.355555 51.674449, -0.355311 51.674323, -0.355266 51.674278, -0.355255 51.67423, -0.355096 51.673685, -0.355129 51.673648, -0.355163 51.6736, -0.355183 51.673564, -0.3552 51.673528, -0.355213 51.673496, -0.355223 51.673463, -0.35523 51.673429, -0.355234 51.673389, -0.355234 51.673359, -0.355228 51.673291, -0.355218 51.673248, -0.355211 51.673225, -0.355195 51.673185, -0.355171 51.67314, -0.355126 51.673072, -0.355106 51.673048, -0.35508 51.673022, -0.355014 51.672968, -0.35496 51.672931, -0.354902 51.672894, -0.354792 51.672835, -0.354756 51.672819, -0.354899 51.67281, -0.355225 51.672772, -0.355489 51.672744, -0.355688 51.672728, -0.355692 51.672726, -0.355774 51.672569, -0.355797 51.672503, -0.35625 51.671617, -0.355832 51.671551, -0.355378 51.671452, -0.355426 51.671281, -0.355444 51.671227, -0.355461 51.671188, -0.355472 51.671169, -0.355484 51.67115, -0.355509 51.671124, -0.355183 51.671129, -0.355166 51.671121, -0.355109 51.671106, -0.355062 51.671107, -0.354844 51.671145, -0.353683 51.671338, -0.353162 51.671419, -0.352827 51.671491, -0.352667 51.671528)))","point":"POINT (-0.352974 51.673184)","quality":"some","notes":"No appraisal document","documentation-url":"https://www.hertsmere.gov.uk/Planning--Building-Control/Building--Tree-Conservation/Conservation-areas/CAs-in-Hertsmere.aspx"}