Skip to main content
Planning and housing data in England

Beta This is a new service - your feedback will help us to improve it.

Site of special scientific interest

Heyshott Down SSSI

Geographical area

About this entity

Fact links
CURIE site-of-special-scientific-interest:1000435 no fact link
Prefix site-of-special-scientific-interest Facts
Reference 1000435 Facts
Name Heyshott Down SSSI Facts
Quality Authoritative: We have some data from the authoritative source no fact link
Dataset Site of special scientific interest no fact link
Organisation Natural England no fact link
Start date Facts
End date Facts
Entry date 2026-08-20 Facts
Typology geography no fact link
Geometry MULTIPOLYGON (((-0.708611 50.939881, -0.708728 50.939896, -0.709025 50.939944, -0.709145 50.939952, -0.709383 50.939975, -0.709749 50.940029, -0.70987 50.940049, -0.710093 50.940104, -0.710456 50.940202, -0.710854 50.940267, -0.711164 50.940315, -0.711651 50.940396, -0.711862 50.940436, -0.712421 50.94055, -0.712329 50.940872, -0.712283 50.941043, -0.712308 50.941419, -0.712306 50.941645, -0.71234 50.941848, -0.712143 50.94183, -0.711913 50.94182, -0.710897 50.941347, -0.710664 50.941242, -0.71034 50.94109, -0.710018 50.941021, -0.709722 50.940961, -0.709477 50.940909, -0.709351 50.940897, -0.709046 50.940864, -0.70886 50.940847, -0.708729 50.940832, -0.708568 50.940793, -0.70855 50.940743, -0.708541 50.94063, -0.708566 50.940446, -0.70859 50.94025, -0.708593 50.94024, -0.708611 50.939881)), ((-0.720272 50.946854, -0.720227 50.946747, -0.720201 50.946705, -0.720196 50.946686, -0.720194 50.946653, -0.720199 50.946575, -0.720197 50.946559, -0.720146 50.946471, -0.720132 50.946435, -0.72012 50.946388, -0.720113 50.946377, -0.720102 50.946366, -0.720047 50.946323, -0.720007 50.946296, -0.719993 50.94629, -0.71993 50.946249, -0.719901 50.94622, -0.719861 50.946185, -0.719736 50.946067, -0.719726 50.946059, -0.719705 50.946047, -0.719699 50.946013, -0.719685 50.945961, -0.719669 50.945922, -0.719642 50.945877, -0.719616 50.945828, -0.719579 50.945778, -0.719425 50.945591, -0.719403 50.945555, -0.719392 50.945529, -0.719383 50.945484, -0.719381 50.945407, -0.719382 50.945342, -0.719389 50.945166, -0.719394 50.945103, -0.7194 50.945052, -0.719422 50.944953, -0.7194 50.944872, -0.719365 50.944713, -0.719359 50.944677, -0.719318 50.944558, -0.719223 50.944271, -0.719173 50.944131, -0.71921 50.944124, -0.719216 50.944082, -0.719181 50.944006, -0.719128 50.943907, -0.719067 50.943804, -0.718985 50.943677, -0.718943 50.943621, -0.718891 50.943571, -0.718853 50.94354, -0.718783 50.943488, -0.718709 50.943439, -0.718634 50.943395, -0.718476 50.943323, -0.718417 50.943299, -0.718177 50.943231, -0.717896 50.943158, -0.71749 50.94306, -0.717328 50.943012, -0.717208 50.94297, -0.717054 50.942922, -0.716767 50.942803, -0.716694 50.942767, -0.716564 50.942686, -0.716492 50.942639, -0.716367 50.942551, -0.716246 50.942477, -0.715981 50.942292, -0.715889 50.942233, -0.71583 50.942192, -0.715773 50.942157, -0.715617 50.942072, -0.715561 50.942046, -0.715349 50.941962, -0.714962 50.941773, -0.714879 50.941726, -0.714881 50.941725, -0.71489 50.941728, -0.715116 50.941758, -0.715268 50.941773, -0.715608 50.941772, -0.716002 50.941741, -0.716386 50.941741, -0.716717 50.941774, -0.717438 50.941926, -0.717972 50.942031, -0.718249 50.942231, -0.718519 50.942392, -0.71868 50.942485, -0.718932 50.942575, -0.719034 50.942602, -0.719279 50.942663, -0.719426 50.94274, -0.7195 50.942784, -0.719719 50.942904, -0.719847 50.942957, -0.720163 50.94307, -0.720326 50.943119, -0.720346 50.943123, -0.720634 50.943015, -0.720769 50.942744, -0.721379 50.94231, -0.721671 50.942214, -0.722576 50.94202, -0.722746 50.941993, -0.72294 50.941969, -0.723106 50.941956, -0.723257 50.941947, -0.72349 50.941942, -0.723553 50.941942, -0.723766 50.941944, -0.723951 50.941957, -0.724137 50.941974, -0.724225 50.94199, -0.724297 50.942006, -0.724411 50.942037, -0.724539 50.942076, -0.724646 50.942112, -0.724726 50.94215, -0.724817 50.94219, -0.724888 50.942226, -0.724964 50.942307, -0.725069 50.942423, -0.725259 50.942621, -0.725332 50.942682, -0.725726 50.942687, -0.726077 50.94249, -0.726383 50.942243, -0.726478 50.942206, -0.72659 50.942166, -0.726715 50.942133, -0.726836 50.942105, -0.726881 50.942097, -0.726924 50.942094, -0.727194 50.942135, -0.727238 50.942143, -0.72788 50.942012, -0.728516 50.941902, -0.72878 50.941869, -0.729712 50.941879, -0.729823 50.941882, -0.730287 50.942004, -0.730623 50.942101, -0.730631 50.942102, -0.730818 50.942164, -0.73108 50.942257, -0.731231 50.942315, -0.731335 50.942357, -0.73147 50.942406, -0.731677 50.942478, -0.73218 50.942642, -0.732388 50.942714, -0.732492 50.942758, -0.732615 50.94282, -0.732705 50.942886, -0.732983 50.943144, -0.733052 50.943212, -0.733405 50.943546, -0.73351 50.943641, -0.733544 50.943666, -0.733608 50.943709, -0.733689 50.943762, -0.733819 50.943816, -0.733936 50.94386, -0.734011 50.943883, -0.734109 50.943909, -0.73424 50.943937, -0.734294 50.943958, -0.733985 50.944486, -0.733812 50.944771, -0.733661 50.944921, -0.733657 50.944934, -0.733635 50.944976, -0.733248 50.945558, -0.73322 50.945588, -0.733192 50.945605, -0.733161 50.945615, -0.733132 50.945621, -0.733066 50.94563, -0.733015 50.945634, -0.732833 50.945636, -0.732766 50.94564, -0.732713 50.945652, -0.732618 50.9457, -0.732582 50.94571, -0.732535 50.945715, -0.732503 50.945712, -0.732481 50.945706, -0.732026 50.945625, -0.731953 50.945622, -0.731828 50.945629, -0.731765 50.945639, -0.731712 50.945653, -0.731657 50.945672, -0.731578 50.945711, -0.731513 50.945735, -0.731454 50.945759, -0.731373 50.945803, -0.731264 50.945885, -0.731173 50.945941, -0.731095 50.945981, -0.731072 50.945991, -0.731022 50.946008, -0.730973 50.946022, -0.730831 50.946052, -0.730669 50.946054, -0.730572 50.946044, -0.730632 50.945959, -0.730656 50.945909, -0.730675 50.945852, -0.730684 50.945807, -0.730699 50.945745, -0.730726 50.945531, -0.730723 50.945487, -0.730711 50.945419, -0.730695 50.945366, -0.73068 50.945333, -0.73049 50.944963, -0.730459 50.944899, -0.730428 50.944805, -0.730396 50.944683, -0.730361 50.944625, -0.730346 50.944588, -0.73034 50.944552, -0.730331 50.94445, -0.730322 50.944418, -0.730318 50.94441, -0.730308 50.944402, -0.730237 50.944369, -0.730177 50.944349, -0.730042 50.944318, -0.730005 50.944314, -0.729815 50.944285, -0.729683 50.944268, -0.729427 50.94424, -0.729344 50.944223, -0.729316 50.944215, -0.729214 50.944192, -0.728795 50.944428, -0.728772 50.944437, -0.728737 50.944447, -0.728724 50.944449, -0.728692 50.944448, -0.728573 50.944451, -0.728481 50.944449, -0.728386 50.944443, -0.728327 50.944437, -0.727933 50.944383, -0.72792 50.94438, -0.727896 50.944381, -0.727867 50.944407, -0.727852 50.944435, -0.727839 50.944473, -0.727828 50.944515, -0.727811 50.944617, -0.7278 50.944669, -0.727783 50.944733, -0.727735 50.94485, -0.727732 50.944853, -0.727711 50.944898, -0.727685 50.94493, -0.72765 50.94496, -0.727575 50.94504, -0.72755 50.945063, -0.727517 50.945087, -0.727492 50.945101, -0.727449 50.945132, -0.727431 50.945141, -0.727411 50.945162, -0.727355 50.945223, -0.727336 50.94525, -0.727316 50.945283, -0.727293 50.945312, -0.727275 50.945332, -0.727211 50.945393, -0.727192 50.945419, -0.727172 50.945442, -0.727076 50.945544, -0.727032 50.945604, -0.726996 50.945659, -0.726928 50.945746, -0.726751 50.94576, -0.726711 50.945761, -0.726433 50.945748, -0.72619 50.945728, -0.726097 50.945717, -0.726001 50.945703, -0.725932 50.945689, -0.725792 50.94565, -0.725707 50.945628, -0.725592 50.945603, -0.725245 50.945549, -0.725086 50.945529, -0.72458 50.945485, -0.724471 50.945479, -0.724403 50.945477, -0.724356 50.945482, -0.724319 50.945489, -0.72422 50.945475, -0.724135 50.945446, -0.724098 50.945429, -0.723764 50.945305, -0.723718 50.945286, -0.723604 50.945267, -0.723512 50.945255, -0.723228 50.945227, -0.723286 50.944935, -0.723295 50.944854, -0.723302 50.944762, -0.723305 50.944661, -0.7233 50.94457, -0.723298 50.944495, -0.723287 50.944399, -0.723288 50.94436, -0.72328 50.944226, -0.723291 50.944118, -0.723293 50.944062, -0.723285 50.944029, -0.723273 50.943916, -0.723087 50.943881, -0.723062 50.943879, -0.72303 50.94388, -0.723002 50.943884, -0.722989 50.943893, -0.722981 50.943903, -0.722957 50.943946, -0.722942 50.943979, -0.7229 50.944114, -0.722869 50.944223, -0.722819 50.944357, -0.722696 50.94466, -0.722666 50.944715, -0.72262 50.944825, -0.722592 50.944966, -0.722579 50.945009, -0.72256 50.945051, -0.72256 50.945054, -0.722531 50.94511, -0.722473 50.945239, -0.722332 50.945663, -0.722226 50.945996, -0.722205 50.946087, -0.722196 50.94616, -0.72218 50.946441, -0.722179 50.946572, -0.722175 50.94663, -0.722168 50.946663, -0.722156 50.946699, -0.722107 50.946832, -0.722094 50.946858, -0.72208 50.946874, -0.722067 50.946879, -0.722046 50.946882, -0.722031 50.946882, -0.722017 50.946879, -0.721989 50.946878, -0.72188 50.946987, -0.721742 50.947143, -0.721723 50.947172, -0.721715 50.94719, -0.721712 50.947213, -0.721673 50.94739, -0.721653 50.947451, -0.721641 50.947477, -0.721528 50.947693, -0.721429 50.947857, -0.721293 50.948114, -0.721231 50.948244, -0.721169 50.94827, -0.721144 50.948321, -0.720986 50.948231, -0.72087 50.948172, -0.720794 50.948139, -0.720792 50.948137, -0.720694 50.948101, -0.720581 50.948062, -0.720599 50.948023, -0.720439 50.94778, -0.720403 50.947713, -0.720389 50.947695, -0.720379 50.947677, -0.720373 50.947652, -0.720373 50.947636, -0.720384 50.947609, -0.720459 50.947461, -0.720461 50.947455, -0.720463 50.947432, -0.720457 50.947404, -0.720413 50.947334, -0.720402 50.947312, -0.720396 50.947277, -0.720384 50.947161, -0.720379 50.947128, -0.72035 50.947054, -0.720315 50.946972, -0.720272 50.946854))) Facts
Point POINT (-0.724239 50.943748) Facts

Available Code Snippets: 

{
        "entry-date": "2026-08-20",
        "start-date": "",
        "end-date": "",
        "entity": 14500323,
        "name": "Heyshott Down SSSI",
        "dataset": "site-of-special-scientific-interest",
        "typology": "geography",
        "reference": "1000435",
        "prefix": "site-of-special-scientific-interest",
        "organisation-entity": "501910",
        "geometry": "MULTIPOLYGON (((-0.708611 50.939881, -0.708728 50.939896, -0.709025 50.939944, -0.709145 50.939952, -0.709383 50.939975, -0.709749 50.940029, -0.70987 50.940049, -0.710093 50.940104, -0.710456 50.940202, -0.710854 50.940267, -0.711164 50.940315, -0.711651 50.940396, -0.711862 50.940436, -0.712421 50.94055, -0.712329 50.940872, -0.712283 50.941043, -0.712308 50.941419, -0.712306 50.941645, -0.71234 50.941848, -0.712143 50.94183, -0.711913 50.94182, -0.710897 50.941347, -0.710664 50.941242, -0.71034 50.94109, -0.710018 50.941021, -0.709722 50.940961, -0.709477 50.940909, -0.709351 50.940897, -0.709046 50.940864, -0.70886 50.940847, -0.708729 50.940832, -0.708568 50.940793, -0.70855 50.940743, -0.708541 50.94063, -0.708566 50.940446, -0.70859 50.94025, -0.708593 50.94024, -0.708611 50.939881)), ((-0.720272 50.946854, -0.720227 50.946747, -0.720201 50.946705, -0.720196 50.946686, -0.720194 50.946653, -0.720199 50.946575, -0.720197 50.946559, -0.720146 50.946471, -0.720132 50.946435, -0.72012 50.946388, -0.720113 50.946377, -0.720102 50.946366, -0.720047 50.946323, -0.720007 50.946296, -0.719993 50.94629, -0.71993 50.946249, -0.719901 50.94622, -0.719861 50.946185, -0.719736 50.946067, -0.719726 50.946059, -0.719705 50.946047, -0.719699 50.946013, -0.719685 50.945961, -0.719669 50.945922, -0.719642 50.945877, -0.719616 50.945828, -0.719579 50.945778, -0.719425 50.945591, -0.719403 50.945555, -0.719392 50.945529, -0.719383 50.945484, -0.719381 50.945407, -0.719382 50.945342, -0.719389 50.945166, -0.719394 50.945103, -0.7194 50.945052, -0.719422 50.944953, -0.7194 50.944872, -0.719365 50.944713, -0.719359 50.944677, -0.719318 50.944558, -0.719223 50.944271, -0.719173 50.944131, -0.71921 50.944124, -0.719216 50.944082, -0.719181 50.944006, -0.719128 50.943907, -0.719067 50.943804, -0.718985 50.943677, -0.718943 50.943621, -0.718891 50.943571, -0.718853 50.94354, -0.718783 50.943488, -0.718709 50.943439, -0.718634 50.943395, -0.718476 50.943323, -0.718417 50.943299, -0.718177 50.943231, -0.717896 50.943158, -0.71749 50.94306, -0.717328 50.943012, -0.717208 50.94297, -0.717054 50.942922, -0.716767 50.942803, -0.716694 50.942767, -0.716564 50.942686, -0.716492 50.942639, -0.716367 50.942551, -0.716246 50.942477, -0.715981 50.942292, -0.715889 50.942233, -0.71583 50.942192, -0.715773 50.942157, -0.715617 50.942072, -0.715561 50.942046, -0.715349 50.941962, -0.714962 50.941773, -0.714879 50.941726, -0.714881 50.941725, -0.71489 50.941728, -0.715116 50.941758, -0.715268 50.941773, -0.715608 50.941772, -0.716002 50.941741, -0.716386 50.941741, -0.716717 50.941774, -0.717438 50.941926, -0.717972 50.942031, -0.718249 50.942231, -0.718519 50.942392, -0.71868 50.942485, -0.718932 50.942575, -0.719034 50.942602, -0.719279 50.942663, -0.719426 50.94274, -0.7195 50.942784, -0.719719 50.942904, -0.719847 50.942957, -0.720163 50.94307, -0.720326 50.943119, -0.720346 50.943123, -0.720634 50.943015, -0.720769 50.942744, -0.721379 50.94231, -0.721671 50.942214, -0.722576 50.94202, -0.722746 50.941993, -0.72294 50.941969, -0.723106 50.941956, -0.723257 50.941947, -0.72349 50.941942, -0.723553 50.941942, -0.723766 50.941944, -0.723951 50.941957, -0.724137 50.941974, -0.724225 50.94199, -0.724297 50.942006, -0.724411 50.942037, -0.724539 50.942076, -0.724646 50.942112, -0.724726 50.94215, -0.724817 50.94219, -0.724888 50.942226, -0.724964 50.942307, -0.725069 50.942423, -0.725259 50.942621, -0.725332 50.942682, -0.725726 50.942687, -0.726077 50.94249, -0.726383 50.942243, -0.726478 50.942206, -0.72659 50.942166, -0.726715 50.942133, -0.726836 50.942105, -0.726881 50.942097, -0.726924 50.942094, -0.727194 50.942135, -0.727238 50.942143, -0.72788 50.942012, -0.728516 50.941902, -0.72878 50.941869, -0.729712 50.941879, -0.729823 50.941882, -0.730287 50.942004, -0.730623 50.942101, -0.730631 50.942102, -0.730818 50.942164, -0.73108 50.942257, -0.731231 50.942315, -0.731335 50.942357, -0.73147 50.942406, -0.731677 50.942478, -0.73218 50.942642, -0.732388 50.942714, -0.732492 50.942758, -0.732615 50.94282, -0.732705 50.942886, -0.732983 50.943144, -0.733052 50.943212, -0.733405 50.943546, -0.73351 50.943641, -0.733544 50.943666, -0.733608 50.943709, -0.733689 50.943762, -0.733819 50.943816, -0.733936 50.94386, -0.734011 50.943883, -0.734109 50.943909, -0.73424 50.943937, -0.734294 50.943958, -0.733985 50.944486, -0.733812 50.944771, -0.733661 50.944921, -0.733657 50.944934, -0.733635 50.944976, -0.733248 50.945558, -0.73322 50.945588, -0.733192 50.945605, -0.733161 50.945615, -0.733132 50.945621, -0.733066 50.94563, -0.733015 50.945634, -0.732833 50.945636, -0.732766 50.94564, -0.732713 50.945652, -0.732618 50.9457, -0.732582 50.94571, -0.732535 50.945715, -0.732503 50.945712, -0.732481 50.945706, -0.732026 50.945625, -0.731953 50.945622, -0.731828 50.945629, -0.731765 50.945639, -0.731712 50.945653, -0.731657 50.945672, -0.731578 50.945711, -0.731513 50.945735, -0.731454 50.945759, -0.731373 50.945803, -0.731264 50.945885, -0.731173 50.945941, -0.731095 50.945981, -0.731072 50.945991, -0.731022 50.946008, -0.730973 50.946022, -0.730831 50.946052, -0.730669 50.946054, -0.730572 50.946044, -0.730632 50.945959, -0.730656 50.945909, -0.730675 50.945852, -0.730684 50.945807, -0.730699 50.945745, -0.730726 50.945531, -0.730723 50.945487, -0.730711 50.945419, -0.730695 50.945366, -0.73068 50.945333, -0.73049 50.944963, -0.730459 50.944899, -0.730428 50.944805, -0.730396 50.944683, -0.730361 50.944625, -0.730346 50.944588, -0.73034 50.944552, -0.730331 50.94445, -0.730322 50.944418, -0.730318 50.94441, -0.730308 50.944402, -0.730237 50.944369, -0.730177 50.944349, -0.730042 50.944318, -0.730005 50.944314, -0.729815 50.944285, -0.729683 50.944268, -0.729427 50.94424, -0.729344 50.944223, -0.729316 50.944215, -0.729214 50.944192, -0.728795 50.944428, -0.728772 50.944437, -0.728737 50.944447, -0.728724 50.944449, -0.728692 50.944448, -0.728573 50.944451, -0.728481 50.944449, -0.728386 50.944443, -0.728327 50.944437, -0.727933 50.944383, -0.72792 50.94438, -0.727896 50.944381, -0.727867 50.944407, -0.727852 50.944435, -0.727839 50.944473, -0.727828 50.944515, -0.727811 50.944617, -0.7278 50.944669, -0.727783 50.944733, -0.727735 50.94485, -0.727732 50.944853, -0.727711 50.944898, -0.727685 50.94493, -0.72765 50.94496, -0.727575 50.94504, -0.72755 50.945063, -0.727517 50.945087, -0.727492 50.945101, -0.727449 50.945132, -0.727431 50.945141, -0.727411 50.945162, -0.727355 50.945223, -0.727336 50.94525, -0.727316 50.945283, -0.727293 50.945312, -0.727275 50.945332, -0.727211 50.945393, -0.727192 50.945419, -0.727172 50.945442, -0.727076 50.945544, -0.727032 50.945604, -0.726996 50.945659, -0.726928 50.945746, -0.726751 50.94576, -0.726711 50.945761, -0.726433 50.945748, -0.72619 50.945728, -0.726097 50.945717, -0.726001 50.945703, -0.725932 50.945689, -0.725792 50.94565, -0.725707 50.945628, -0.725592 50.945603, -0.725245 50.945549, -0.725086 50.945529, -0.72458 50.945485, -0.724471 50.945479, -0.724403 50.945477, -0.724356 50.945482, -0.724319 50.945489, -0.72422 50.945475, -0.724135 50.945446, -0.724098 50.945429, -0.723764 50.945305, -0.723718 50.945286, -0.723604 50.945267, -0.723512 50.945255, -0.723228 50.945227, -0.723286 50.944935, -0.723295 50.944854, -0.723302 50.944762, -0.723305 50.944661, -0.7233 50.94457, -0.723298 50.944495, -0.723287 50.944399, -0.723288 50.94436, -0.72328 50.944226, -0.723291 50.944118, -0.723293 50.944062, -0.723285 50.944029, -0.723273 50.943916, -0.723087 50.943881, -0.723062 50.943879, -0.72303 50.94388, -0.723002 50.943884, -0.722989 50.943893, -0.722981 50.943903, -0.722957 50.943946, -0.722942 50.943979, -0.7229 50.944114, -0.722869 50.944223, -0.722819 50.944357, -0.722696 50.94466, -0.722666 50.944715, -0.72262 50.944825, -0.722592 50.944966, -0.722579 50.945009, -0.72256 50.945051, -0.72256 50.945054, -0.722531 50.94511, -0.722473 50.945239, -0.722332 50.945663, -0.722226 50.945996, -0.722205 50.946087, -0.722196 50.94616, -0.72218 50.946441, -0.722179 50.946572, -0.722175 50.94663, -0.722168 50.946663, -0.722156 50.946699, -0.722107 50.946832, -0.722094 50.946858, -0.72208 50.946874, -0.722067 50.946879, -0.722046 50.946882, -0.722031 50.946882, -0.722017 50.946879, -0.721989 50.946878, -0.72188 50.946987, -0.721742 50.947143, -0.721723 50.947172, -0.721715 50.94719, -0.721712 50.947213, -0.721673 50.94739, -0.721653 50.947451, -0.721641 50.947477, -0.721528 50.947693, -0.721429 50.947857, -0.721293 50.948114, -0.721231 50.948244, -0.721169 50.94827, -0.721144 50.948321, -0.720986 50.948231, -0.72087 50.948172, -0.720794 50.948139, -0.720792 50.948137, -0.720694 50.948101, -0.720581 50.948062, -0.720599 50.948023, -0.720439 50.94778, -0.720403 50.947713, -0.720389 50.947695, -0.720379 50.947677, -0.720373 50.947652, -0.720373 50.947636, -0.720384 50.947609, -0.720459 50.947461, -0.720461 50.947455, -0.720463 50.947432, -0.720457 50.947404, -0.720413 50.947334, -0.720402 50.947312, -0.720396 50.947277, -0.720384 50.947161, -0.720379 50.947128, -0.72035 50.947054, -0.720315 50.946972, -0.720272 50.946854)))",
        "point": "POINT (-0.724239 50.943748)",
        "quality": "authoritative",
        "organisation-curie": "government-organisation:PB202"
    }
Loading...

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

Licensed under the Open Government Licence v.3.0.

Help improve this data

Give feedback on this dataset, or email your questions and corrections to digitalland@communities.gov.uk.