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: 78
name: THE BIRMINGHAM ('THE OAKLANDS', OAKLANDS AVENUE, HARBORNE) TPO 1970
tree-preservation-order: undefined
TPO 78
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.964655 52.458188,-1.964672 52.458188,-1.965109 52.458143,-1.965060 52.457992,-1.965035 52.457909,-1.964993 52.457783,-1.964848 52.457803,-1.964630 52.457828,-1.964620 52.457830,-1.964594 52.457842,-1.964567 52.457868,-1.964563 52.457877,-1.964561 52.457887,-1.964590 52.457988,-1.964630 52.458138,-1.964632 52.458150,-1.964645 52.458171,-1.964649 52.458181,-1.964655 52.458188)))
point: POINT (-1.964827 52.457991)
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.