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: 231
name: THE BIRMINGHAM (SITE OF METHODIST CHURCH AND CHURCH HALL, GRAVELLY HILL, ERDINGTON) TPO 1977
tree-preservation-order: undefined
TPO 231
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.850780 52.512938,-1.850755 52.512945,-1.850944 52.513071,-1.851443 52.513287,-1.851481 52.513231,-1.851490 52.513222,-1.851669 52.512989,-1.851782 52.512845,-1.851792 52.512826,-1.851795 52.512824,-1.851856 52.512749,-1.851901 52.512698,-1.852053 52.512532,-1.852046 52.512528,-1.852035 52.512529,-1.852028 52.512533,-1.851919 52.512567,-1.850780 52.512938)))
point: POINT (-1.8514 52.512924)
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.