Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: 222
name: THE BIRMINGHAM (BLAKESLEY ROAD ALLOTMENTS, YARDLEY) TPO 1973
tree-preservation-order: undefined
TPO 222
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.809703 52.472665,-1.810847 52.472866,-1.811444 52.472989,-1.811644 52.472641,-1.811760 52.472464,-1.811782 52.472414,-1.812029 52.472037,-1.812058 52.471963,-1.812165 52.471814,-1.812240 52.471688,-1.812402 52.471381,-1.811438 52.471216,-1.811320 52.471189,-1.810992 52.471149,-1.810348 52.471041,-1.810353 52.471034,-1.810342 52.471032,-1.809895 52.470974,-1.809715 52.471225,-1.809535 52.471443,-1.809142 52.471847,-1.808941 52.472014,-1.808653 52.472200,-1.808551 52.472277,-1.808220 52.472558,-1.808189 52.472592,-1.808485 52.472623,-1.808609 52.472482,-1.809703 52.472665)))
point: POINT (-1.810533 52.47198)
notes: The shaded area represents those properties which fall within the outline of a Tree Preservation Order. To precisely identify trees protected by the Order, you can request a copy of the tree preservation order at the following link.
organisation
entry-date: 2025-11-30
start-date
end-date

Your dataset is missing the tree-preservation-order column.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.