Conservation area

There is a problem

start-date column must be in YYYY-MM-DD format

Nympsfield

reference: 8930
name: Nympsfield
designation-date
document-url
documentation-url
geometry: MULTIPOLYGON (((-2.291924 51.703532,-2.291074 51.702951,-2.291036 51.702997,-2.290871 51.702938,-2.291130 51.702765,-2.290771 51.702452,-2.290613 51.702364,-2.290640 51.702272,-2.290704 51.702114,-2.291176 51.701677,-2.290977 51.701544,-2.290812 51.701460,-2.290685 51.701504,-2.290522 51.701586,-2.290400 51.701672,-2.290295 51.701794,-2.290266 51.701809,-2.290254 51.701711,-2.290235 51.701632,-2.290168 51.701485,-2.290021 51.701234,-2.289919 51.701121,-2.289862 51.701036,-2.289840 51.700946,-2.289861 51.700774,-2.290087 51.700782,-2.290092 51.700731,-2.290122 51.700732,-2.290122 51.700580,-2.290148 51.700316,-2.290333 51.700310,-2.290325 51.700265,-2.290417 51.700260,-2.290415 51.700179,-2.290358 51.700150,-2.290115 51.700167,-2.290040 51.700160,-2.289976 51.700130,-2.289847 51.700027,-2.289712 51.699963,-2.289110 51.699775,-2.288800 51.699703,-2.288681 51.699659,-2.288254 51.699561,-2.288167 51.700109,-2.288142 51.700222,-2.287747 51.700215,-2.287733 51.700518,-2.287742 51.700521,-2.286184 51.700186,-2.285696 51.699469,-2.285566 51.699523,-2.285519 51.699531,-2.285348 51.699538,-2.285053 51.699594,-2.284971 51.699590,-2.284894 51.699606,-2.284929 51.699598,-2.284642 51.699621,-2.284410 51.699824,-2.284881 51.700298,-2.285168 51.700642,-2.285346 51.700871,-2.285504 51.701042,-2.285478 51.701054,-2.285483 51.701236,-2.285496 51.701257,-2.285531 51.701285,-2.285770 51.701425,-2.285598 51.701550,-2.285737 51.701627,-2.285859 51.701725,-2.285902 51.701748,-2.286331 51.701520,-2.286383 51.701502,-2.286774 51.701472,-2.286915 51.701439,-2.287035 51.701661,-2.287152 51.701855,-2.287240 51.701975,-2.287341 51.702101,-2.287488 51.702218,-2.287372 51.702292,-2.287687 51.702536,-2.287581 51.702635,-2.287433 51.702747,-2.287332 51.702836,-2.287762 51.703028,-2.287739 51.703064,-2.287780 51.703074,-2.287737 51.703141,-2.287694 51.703180,-2.288202 51.703324,-2.288218 51.703315,-2.288309 51.703350,-2.288014 51.704090,-2.288098 51.704113,-2.288326 51.704215,-2.288690 51.704357,-2.289160 51.704562,-2.289573 51.704730,-2.290203 51.704366,-2.290331 51.704423,-2.290415 51.704436,-2.290487 51.704433,-2.290913 51.704375,-2.291040 51.704393,-2.291911 51.703896,-2.291736 51.703816,-2.291718 51.703598,-2.291924 51.703532)))
point: POINT (-2.288632 51.701975)
notes: No Appraisal document. No documents
organisation
entry-date: 2025-04-01
start-date: start-date must be a real date
end-date

How to fix this issue

Your dataset is missing the start-date column.

The Conservation area guidance explains how to fix the issue:

start-date

The date the validity of the record starts, written in YYYY-MM-DD format. Usually, this will be the same as the designation date. If anything about the conservation area has changed, for example, the boundary, it should be the date of that change.

Example:

1984-04-25

With dates, some data is better than no data, so:

1984 is fine
1984-04 is better
1984-04-25 is brilliant

How to improve Historic England’s data

Fix the errors indicated
Use the check service to make sure the data meets the standard
Publish the updated data on the endpoint URL