Conservation area

There is a problem

reference: CA010
name: SEACROFT - DAWSONS COURT
designation-date: designation-date must be a real date
document-url: https://www.leeds.gov.uk/sites/default/files/files-imported/816f0cd3b93aa0d1117ad674c88a31e0f6e2a88cf3d94990d0bb4b47d87a8e83.pdf
documentation-url: https://www.leeds.gov.uk/planning/conservation-protection-and-heritage/conservation-area
geometry: MULTIPOLYGON (((-1.455765 53.815571,-1.455690 53.815570,-1.455692 53.815602,-1.455707 53.815621,-1.455682 53.815640,-1.455740 53.815712,-1.455783 53.815874,-1.455788 53.815919,-1.455741 53.815924,-1.455777 53.816060,-1.455764 53.816062,-1.455883 53.816331,-1.455764 53.816350,-1.455812 53.816488,-1.455817 53.816543,-1.455783 53.816658,-1.455731 53.816677,-1.455750 53.816695,-1.455725 53.816728,-1.455735 53.816731,-1.455660 53.816797,-1.455741 53.816826,-1.455741 53.816846,-1.455818 53.816853,-1.455797 53.816961,-1.456052 53.816962,-1.456171 53.816953,-1.456339 53.816929,-1.456543 53.816876,-1.456788 53.817251,-1.456835 53.817241,-1.457097 53.817279,-1.457485 53.817031,-1.457201 53.816846,-1.456910 53.816631,-1.456704 53.816459,-1.456538 53.816299,-1.456435 53.816182,-1.456322 53.816017,-1.456086 53.815582,-1.455927 53.815567,-1.455765 53.815571)))
point: POINT (-1.456375 53.816528)
notes
entry-date: 2026-02-04
start-date
end-date

Your dataset is missing the designation-date column.

The Conservation area guidance explains how to fix the issue:

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: