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: 501
name: THE BIRMINGHAM (GRACEWELL HOMES, FOSTER TRUST, WAKE GREEN ROAD, MOSELEY) TPO 1987
tree-preservation-order: undefined
TPO 501
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.857837 52.436501,-1.857731 52.436113,-1.858147 52.436088,-1.858080 52.435734,-1.858075 52.435697,-1.858041 52.435506,-1.858038 52.435482,-1.858033 52.435471,-1.857130 52.435506,-1.856645 52.435523,-1.856615 52.435634,-1.856603 52.435702,-1.856528 52.436349,-1.856930 52.436394,-1.857373 52.436440,-1.857550 52.436454,-1.857565 52.436506,-1.857837 52.436501)))
point: POINT (-1.85731 52.435948)
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.
entry-date: 2026-07-25
start-date
end-date

Your data is missing a tree-preservation-order.

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

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