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: 147
name: THE BIRMINGHAM (ALVECHURCH ROAD/ LILLEY LANE, WEST HEATH) TPO 1973
tree-preservation-order: undefined
TPO 147
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.961180 52.396607,-1.961150 52.396515,-1.961035 52.396499,-1.960824 52.396609,-1.960690 52.396677,-1.960567 52.396743,-1.960586 52.396754,-1.960676 52.396822,-1.960800 52.396907,-1.960845 52.396936,-1.960869 52.396955,-1.960870 52.396953,-1.960963 52.396957,-1.961192 52.396931,-1.961263 52.396921,-1.961247 52.396860,-1.961233 52.396819,-1.961180 52.396607)))
point: POINT (-1.960965 52.39675)
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: 2026-06-25
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.