{"geometry":{"type":"MultiPolygon","coordinates":[[[[0.407938,52.046392],[0.408035,52.046364],[0.408266,52.046287],[0.408365,52.046248],[0.40848,52.046207],[0.408529,52.046181],[0.408611,52.046124],[0.408639,52.046102],[0.408655,52.046086],[0.40868,52.046055],[0.408701,52.046007],[0.408708,52.045995],[0.408717,52.045982],[0.408736,52.045967],[0.409091,52.0462],[0.409239,52.046292],[0.409307,52.046352],[0.409458,52.046459],[0.409613,52.046577],[0.409719,52.04666],[0.409806,52.046734],[0.409956,52.046875],[0.410116,52.047033],[0.41033,52.047219],[0.410442,52.047334],[0.410485,52.047376],[0.410513,52.047395],[0.410602,52.04745],[0.41074,52.047574],[0.410905,52.04769],[0.411129,52.047864],[0.411221,52.04792],[0.41059,52.048128],[0.410495,52.04815],[0.410242,52.048199],[0.40954,52.048358],[0.409566,52.048472],[0.409563,52.048474],[0.409545,52.048485],[0.409401,52.048525],[0.409246,52.048578],[0.409168,52.048603],[0.409188,52.048644],[0.409222,52.048685],[0.409242,52.048704],[0.408752,52.048858],[0.408738,52.048844],[0.408609,52.048878],[0.408518,52.048866],[0.40841,52.048887],[0.408188,52.048955],[0.408008,52.049008],[0.407867,52.049045],[0.407715,52.049079],[0.40751,52.049119],[0.40734,52.04915],[0.407188,52.049167],[0.407174,52.04926],[0.407194,52.049451],[0.406562,52.04942],[0.406173,52.049399],[0.405936,52.049871],[0.405851,52.049879],[0.405855,52.049891],[0.405852,52.049919],[0.405844,52.049934],[0.405751,52.050034],[0.405835,52.050171],[0.405852,52.050289],[0.405844,52.050422],[0.405809,52.050532],[0.405808,52.050635],[0.405798,52.050658],[0.405771,52.050657],[0.40554,52.05067],[0.40548,52.050711],[0.405353,52.050714],[0.40525,52.050724],[0.405251,52.050704],[0.405269,52.050585],[0.40529,52.050467],[0.405288,52.050228],[0.405081,52.050217],[0.404553,52.050194],[0.404418,52.050185],[0.404162,52.050155],[0.404157,52.050156],[0.404183,52.049702],[0.404196,52.049502],[0.403726,52.049461],[0.403752,52.049225],[0.404067,52.049252],[0.404092,52.049061],[0.404157,52.048529],[0.404175,52.048405],[0.404103,52.048398],[0.404116,52.048225],[0.404114,52.048206],[0.403928,52.048195],[0.403939,52.048115],[0.403961,52.04798],[0.404074,52.047992],[0.404078,52.047977],[0.40411,52.047901],[0.404151,52.047817],[0.404214,52.047669],[0.404234,52.047604],[0.404294,52.047451],[0.404742,52.047559],[0.405318,52.047193],[0.405606,52.047352],[0.405643,52.047334],[0.405763,52.047266],[0.405885,52.047213],[0.40598,52.047167],[0.406106,52.047096],[0.406166,52.047065],[0.40628,52.04679],[0.406303,52.04677],[0.406386,52.046782],[0.406465,52.046748],[0.406571,52.046682],[0.40658,52.046659],[0.406606,52.046619],[0.406615,52.046607],[0.406648,52.046573],[0.406722,52.046512],[0.406898,52.046372],[0.407105,52.046492],[0.407212,52.046562],[0.40725,52.046544],[0.407311,52.046525],[0.407357,52.046514],[0.407794,52.046428],[0.407938,52.046392]]]]},"type":"Feature","properties":{"entry-date":"2026-07-19","start-date":"1990-10-23","end-date":"","entity":44001086,"name":"Helions Bumpstead","dataset":"conservation-area","typology":"geography","reference":"4436","prefix":"conservation-area","organisation-entity":56,"quality":"some","notes":"Polygons on interactive map. No appraisal document","documentation-url":"https://www.braintree.gov.uk/directory/51/conservation-areas/category/302"}}