Conservation area

There is a problem

2 issue of type far-future-date

Longford Village

reference: CA-20
name: Longford Village
designation-date: 3974400000 is after 2076-07-21
document-url: https://www.hillingdon.gov.uk/media/3869/Longford-Village-appraisal/pdf/k9CA_Appraisal_Longford_-_FINAL_March.07.pdf?m=1603208429630
documentation-url
geometry: MULTIPOLYGON (((-0.490385 51.481798,-0.490623 51.481790,-0.490692 51.481794,-0.490756 51.481794,-0.490911 51.481815,-0.491064 51.481803,-0.491266 51.481761,-0.491401 51.481701,-0.491505 51.481652,-0.491637 51.481580,-0.491773 51.481485,-0.491840 51.481410,-0.491792 51.481357,-0.491611 51.481203,-0.491503 51.481138,-0.491355 51.481046,-0.491264 51.481016,-0.491171 51.481021,-0.491183 51.480988,-0.491546 51.480660,-0.491465 51.480634,-0.491340 51.480609,-0.491234 51.480578,-0.491337 51.480490,-0.491357 51.480497,-0.491592 51.480233,-0.491296 51.480084,-0.491451 51.479983,-0.491629 51.479875,-0.491282 51.479648,-0.491235 51.479596,-0.491077 51.479598,-0.490088 51.479629,-0.490166 51.480112,-0.490190 51.480130,-0.490169 51.480149,-0.490180 51.480178,-0.490022 51.480254,-0.489938 51.480292,-0.489886 51.480344,-0.489539 51.480398,-0.489540 51.480446,-0.489581 51.480500,-0.489579 51.480695,-0.489566 51.480694,-0.489566 51.480734,-0.489581 51.480733,-0.489586 51.480773,-0.489411 51.480738,-0.489336 51.480867,-0.489305 51.480895,-0.489083 51.480978,-0.489396 51.481277,-0.489608 51.481358,-0.489986 51.481669,-0.489496 51.481897,-0.489042 51.482080,-0.488904 51.482162,-0.488140 51.482595,-0.487831 51.482799,-0.487660 51.482940,-0.487657 51.483018,-0.487697 51.483083,-0.487830 51.483144,-0.487995 51.483185,-0.488234 51.483214,-0.488381 51.483183,-0.488519 51.483114,-0.488710 51.482986,-0.488839 51.482870,-0.489131 51.482536,-0.489228 51.482466,-0.489355 51.482396,-0.489513 51.482326,-0.489715 51.482212,-0.489812 51.482109,-0.490057 51.481943,-0.490385 51.481798)))
point: POINT (-0.490147 51.481209)
notes
entry-date: 2026-03-13
start-date: 1970-02-16
end-date

How to fix this issue

Your data is missing a designation-date.

The Conservation area guidance explains how to fix the issue:

designation-date

The date that the conservation area was officially designated, written in YYYY-MM-DD format.

Example:

1984-03-28

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

1984 is fine
1984-03 is better
1984-04-28 is brilliant

How to improve London Borough of Hillingdon’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