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: 219
name: THE BIRMINGHAM (87 LICHFIELD ROAD AND 3 WYVERN ROAD, SUTTON COLDFIELD) TPO 1976
tree-preservation-order: undefined
TPO 219
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.825105 52.572086,-1.825169 52.572074,-1.825065 52.571908,-1.825132 52.571892,-1.825008 52.571703,-1.825217 52.571661,-1.825170 52.571581,-1.825094 52.571490,-1.824313 52.571651,-1.824401 52.571801,-1.824449 52.571905,-1.824041 52.571999,-1.824018 52.571962,-1.823740 52.572019,-1.823841 52.572158,-1.823832 52.572167,-1.823890 52.572234,-1.823958 52.572282,-1.824039 52.572300,-1.824165 52.572290,-1.825105 52.572086)))
point: POINT (-1.824569 52.571931)
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.