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: 296
name: THE BIRMINGHAM (LAND BOUNDED BY BELLS LANE AND WALKERS HEATH ROAD, WALKERS HEATH) TPO 1979
tree-preservation-order: undefined
TPO 296
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.916295 52.405516,-1.916301 52.405477,-1.916315 52.405342,-1.916315 52.405326,-1.916385 52.404770,-1.916388 52.404770,-1.916427 52.404494,-1.916463 52.404254,-1.916467 52.404219,-1.916476 52.404177,-1.916487 52.404091,-1.916505 52.403975,-1.916270 52.403964,-1.915917 52.403941,-1.915531 52.403911,-1.915323 52.403905,-1.915276 52.403890,-1.915243 52.403886,-1.915059 52.403872,-1.915030 52.403871,-1.915026 52.403882,-1.914945 52.404493,-1.914929 52.404640,-1.914905 52.404812,-1.914879 52.404968,-1.914823 52.405471,-1.916295 52.405516)))
point: POINT (-1.915653 52.404709)
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.