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: 252
name: THE BIRMINGHAM (LAND AT CORINNE CLOSE, RUBERY) TPO 1977
tree-preservation-order: undefined
TPO 252
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.010433 52.391297,-2.010448 52.391450,-2.010605 52.391527,-2.010611 52.391341,-2.010670 52.391078,-2.010679 52.391078,-2.010655 52.390897,-2.010652 52.390798,-2.010727 52.390524,-2.010856 52.390407,-2.010912 52.390308,-2.010865 52.390025,-2.010789 52.389861,-2.010723 52.389867,-2.010740 52.389983,-2.010509 52.390012,-2.010548 52.390128,-2.010611 52.390264,-2.010553 52.390347,-2.010528 52.390439,-2.010493 52.390503,-2.010165 52.390544,-2.010367 52.391258,-2.010433 52.391297)))
point: POINT (-2.010555 52.390677)
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.