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Scheduled monument

Hertfordshire Grim's Ditch: 1350m long section between Kiln Road and Chesham Road

Geographical area

About this entity

Fact links
CURIE scheduled-monument:1021204 no fact link
Prefix scheduled-monument Facts
Reference 1021204 Facts
Name Hertfordshire Grim's Ditch: 1350m long section between Kiln Road and Chesham Road Facts
Quality Authoritative: We have some data from the authoritative source no fact link
Dataset Scheduled monument no fact link
Organisation Historic England no fact link
Start date 1928-11-26 Facts
End date Facts
Entry date 2004-02-24 Facts
Typology geography no fact link
Geometry MULTIPOLYGON (((-0.658449 51.773057, -0.658239 51.773082, -0.657856 51.773134, -0.657585 51.773169, -0.657394 51.773187, -0.65707 51.77319, -0.65686 51.773198, -0.656411 51.773246, -0.656178 51.773287, -0.655353 51.773342, -0.654655 51.7734, -0.653789 51.77351, -0.65341 51.773563, -0.65308 51.773606, -0.652199 51.773709, -0.651749 51.773771, -0.651452 51.773818, -0.651273 51.773842, -0.650506 51.773904, -0.650208 51.773934, -0.650003 51.773962, -0.649456 51.774056, -0.649007 51.774111, -0.648882 51.774146, -0.648433 51.774205, -0.647154 51.774389, -0.646869 51.774411, -0.646423 51.774523, -0.646066 51.774582, -0.645004 51.774767, -0.644906 51.774816, -0.644602 51.774856, -0.644132 51.774911, -0.643688 51.774976, -0.642833 51.77508, -0.642103 51.775162, -0.641442 51.775264, -0.640999 51.775329, -0.639425 51.775533, -0.639388 51.775552, -0.639363 51.775578, -0.639377 51.775648, -0.639506 51.775837, -0.640583 51.775689, -0.641259 51.775616, -0.641965 51.775515, -0.643915 51.775253, -0.64415 51.77522, -0.644846 51.775129, -0.645312 51.77506, -0.645801 51.77498, -0.646868 51.774778, -0.647876 51.774623, -0.648454 51.774559, -0.650399 51.774234, -0.651249 51.77412, -0.652304 51.773985, -0.652666 51.773945, -0.652937 51.773908, -0.653536 51.773844, -0.654332 51.773741, -0.654759 51.773688, -0.655133 51.773649, -0.655489 51.77363, -0.655894 51.773615, -0.656239 51.773595, -0.656774 51.773538, -0.657304 51.773477, -0.65771 51.773425, -0.658245 51.773367, -0.658597 51.773321, -0.658632 51.773308, -0.658649 51.773296, -0.658597 51.773154, -0.658581 51.773105, -0.658568 51.773073, -0.658523 51.77305, -0.658449 51.773057))) Facts
Point POINT (-0.648826 51.77438) Facts
Documentation url https://historicengland.org.uk/listing/the-list/list-entry/1021204 Facts

Available Code Snippets: 

{
        "entry-date": "2004-02-24",
        "start-date": "1928-11-26",
        "end-date": "",
        "entity": 13919363,
        "name": "Hertfordshire Grim's Ditch: 1350m long section between Kiln Road and Chesham Road",
        "dataset": "scheduled-monument",
        "typology": "geography",
        "reference": "1021204",
        "prefix": "scheduled-monument",
        "organisation-entity": "16",
        "geometry": "MULTIPOLYGON (((-0.658449 51.773057, -0.658239 51.773082, -0.657856 51.773134, -0.657585 51.773169, -0.657394 51.773187, -0.65707 51.77319, -0.65686 51.773198, -0.656411 51.773246, -0.656178 51.773287, -0.655353 51.773342, -0.654655 51.7734, -0.653789 51.77351, -0.65341 51.773563, -0.65308 51.773606, -0.652199 51.773709, -0.651749 51.773771, -0.651452 51.773818, -0.651273 51.773842, -0.650506 51.773904, -0.650208 51.773934, -0.650003 51.773962, -0.649456 51.774056, -0.649007 51.774111, -0.648882 51.774146, -0.648433 51.774205, -0.647154 51.774389, -0.646869 51.774411, -0.646423 51.774523, -0.646066 51.774582, -0.645004 51.774767, -0.644906 51.774816, -0.644602 51.774856, -0.644132 51.774911, -0.643688 51.774976, -0.642833 51.77508, -0.642103 51.775162, -0.641442 51.775264, -0.640999 51.775329, -0.639425 51.775533, -0.639388 51.775552, -0.639363 51.775578, -0.639377 51.775648, -0.639506 51.775837, -0.640583 51.775689, -0.641259 51.775616, -0.641965 51.775515, -0.643915 51.775253, -0.64415 51.77522, -0.644846 51.775129, -0.645312 51.77506, -0.645801 51.77498, -0.646868 51.774778, -0.647876 51.774623, -0.648454 51.774559, -0.650399 51.774234, -0.651249 51.77412, -0.652304 51.773985, -0.652666 51.773945, -0.652937 51.773908, -0.653536 51.773844, -0.654332 51.773741, -0.654759 51.773688, -0.655133 51.773649, -0.655489 51.77363, -0.655894 51.773615, -0.656239 51.773595, -0.656774 51.773538, -0.657304 51.773477, -0.65771 51.773425, -0.658245 51.773367, -0.658597 51.773321, -0.658632 51.773308, -0.658649 51.773296, -0.658597 51.773154, -0.658581 51.773105, -0.658568 51.773073, -0.658523 51.77305, -0.658449 51.773057)))",
        "point": "POINT (-0.648826 51.77438)",
        "quality": "authoritative",
        "documentation-url": "https://historicengland.org.uk/listing/the-list/list-entry/1021204",
        "organisation-curie": "government-organisation:PB1164"
    }
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© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on [date]. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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