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: 297
name: THE BIRMINGHAM (LAND REAR OF 31-41 PETERS AVENUE, NORTHFIELD) TPO 1979
tree-preservation-order: undefined
TPO 297
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.973566 52.406462,-1.973538 52.406598,-1.973539 52.406614,-1.973521 52.406702,-1.973516 52.406713,-1.974034 52.406748,-1.974059 52.406686,-1.974159 52.406417,-1.974239 52.406209,-1.974277 52.406104,-1.974292 52.406069,-1.974206 52.406058,-1.974084 52.406045,-1.973994 52.406029,-1.973694 52.405983,-1.973690 52.406000,-1.973669 52.406025,-1.973673 52.406053,-1.973566 52.406462)))
point: POINT (-1.973881 52.406369)
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.