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: 37
name: THE BIRMINGHAM (116-128 HEATHFIELD ROAD, HANDSWORTH) TPO 1969
tree-preservation-order: undefined
TPO 37
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.910307 52.505787,-1.909955 52.505519,-1.909717 52.505343,-1.909284 52.505568,-1.909104 52.505657,-1.909429 52.505895,-1.909708 52.506109,-1.910007 52.505952,-1.910133 52.505891,-1.910224 52.505843,-1.910213 52.505834,-1.910307 52.505787)))
point: POINT (-1.909712 52.505725)
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.