{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.274955,51.568665],[-0.274956,51.568689],[-0.27498,51.568715],[-0.275083,51.568747],[-0.275124,51.568805],[-0.275131,51.568827],[-0.275156,51.568984],[-0.275145,51.568983],[-0.275228,51.569277],[-0.275244,51.569372],[-0.27526,51.569485],[-0.275252,51.569702],[-0.275299,51.569878],[-0.275407,51.570031],[-0.275613,51.570213],[-0.275705,51.570269],[-0.275898,51.570365],[-0.276176,51.570489],[-0.275795,51.570836],[-0.276721,51.570813],[-0.276853,51.570849],[-0.276905,51.57092],[-0.276928,51.571215],[-0.276966,51.571229],[-0.277228,51.571299],[-0.277324,51.571311],[-0.27802,51.571279],[-0.278337,51.571773],[-0.278351,51.571782],[-0.278876,51.571637],[-0.279138,51.571587],[-0.279399,51.571546],[-0.279675,51.571514],[-0.280094,51.571502],[-0.280698,51.571538],[-0.280957,51.571568],[-0.2812,51.571617],[-0.281973,51.571799],[-0.282049,51.57181],[-0.28202,51.57187],[-0.281975,51.572019],[-0.282378,51.572196],[-0.282508,51.57231],[-0.282603,51.572408],[-0.282668,51.572492],[-0.282735,51.57261],[-0.283272,51.572482],[-0.28346,51.57238],[-0.283879,51.572413],[-0.283891,51.572359],[-0.283969,51.572371],[-0.285183,51.572445],[-0.285268,51.572054],[-0.28501,51.572058],[-0.28501,51.572031],[-0.28503,51.571999],[-0.285075,51.571636],[-0.284872,51.571634],[-0.284962,51.571244],[-0.285195,51.571049],[-0.285615,51.5709],[-0.285769,51.570865],[-0.285952,51.570836],[-0.287154,51.570685],[-0.286808,51.570352],[-0.28657,51.570023],[-0.286344,51.569741],[-0.285737,51.569639],[-0.285465,51.569241],[-0.285348,51.569055],[-0.285483,51.56902],[-0.285454,51.568977],[-0.285091,51.568654],[-0.285076,51.568653],[-0.284973,51.56869],[-0.284917,51.568727],[-0.284506,51.568493],[-0.284587,51.568418],[-0.284288,51.56832],[-0.284296,51.568308],[-0.283653,51.568106],[-0.283781,51.567922],[-0.283239,51.56779],[-0.28346,51.56752],[-0.283476,51.567486],[-0.283422,51.567448],[-0.283045,51.567244],[-0.282968,51.567219],[-0.283103,51.567059],[-0.283004,51.566997],[-0.282551,51.566749],[-0.282168,51.566514],[-0.282072,51.566504],[-0.282016,51.566664],[-0.280983,51.566494],[-0.280233,51.566299],[-0.280088,51.566256],[-0.279818,51.566158],[-0.27885,51.565958],[-0.278974,51.565604],[-0.278312,51.565559],[-0.277234,51.565453],[-0.276644,51.565408],[-0.276542,51.565434],[-0.276448,51.565441],[-0.276471,51.565497],[-0.276463,51.565515],[-0.276461,51.565601],[-0.276442,51.565618],[-0.276402,51.565602],[-0.276123,51.565892],[-0.276071,51.565924],[-0.276003,51.566036],[-0.275933,51.566179],[-0.275923,51.566176],[-0.275827,51.566386],[-0.275681,51.566736],[-0.275643,51.566878],[-0.275585,51.567002],[-0.275414,51.567275],[-0.275405,51.567272],[-0.275324,51.567385],[-0.275241,51.567519],[-0.275123,51.567606],[-0.275088,51.567663],[-0.275029,51.567978],[-0.274955,51.568665]]]]},"type":"Feature","properties":{"entry-date":"2026-06-11","start-date":"1990-03-01","end-date":"","entity":44014815,"name":"Barn Hill","dataset":"conservation-area","typology":"geography","reference":"CA01","prefix":"conservation-area","organisation-entity":42,"quality":"authoritative","document-url":"http://www.brent.gov.uk/planning-and-building-control/listed-buildings-and-conservation-areas#conservationareasinbrent","designation-date":"1990-03-01","documentation-url":"https://www.brent.gov.uk/media/16402710/barn-hill-conservation-area-appraisal.pdf"}}