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

THE BIRMINGHAM (HAMSTEAD HALL ESTATE) TPO 1955

reference: 47
name: THE BIRMINGHAM (HAMSTEAD HALL ESTATE) TPO 1955
tree-preservation-order: undefined
TPO 47
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.937374 52.530901,-1.936510 52.531190,-1.936406 52.531509,-1.935984 52.531674,-1.935590 52.531693,-1.935441 52.531548,-1.935368 52.531444,-1.935054 52.531528,-1.934958 52.531538,-1.934904 52.531533,-1.934855 52.531513,-1.934796 52.531313,-1.934506 52.531425,-1.934360 52.531528,-1.934117 52.531781,-1.933923 52.531907,-1.933513 52.531937,-1.933260 52.531901,-1.932667 52.531728,-1.932378 52.531548,-1.932266 52.531411,-1.932206 52.531385,-1.932127 52.531411,-1.932049 52.531307,-1.931920 52.531337,-1.931759 52.531443,-1.931692 52.531569,-1.931705 52.531698,-1.931823 52.531801,-1.932252 52.531951,-1.932919 52.532262,-1.932977 52.532204,-1.933017 52.532218,-1.933606 52.532572,-1.933694 52.532590,-1.934155 52.532616,-1.934512 52.532523,-1.934838 52.532412,-1.935436 52.532255,-1.936049 52.532150,-1.936428 52.532056,-1.936892 52.531956,-1.937232 52.531870,-1.937805 52.531930,-1.938796 52.532009,-1.939063 52.531941,-1.939120 52.531838,-1.939116 52.531747,-1.939050 52.531661,-1.938939 52.531642,-1.938840 52.531731,-1.937792 52.531394,-1.937586 52.531183,-1.937374 52.530901)),((-1.937290 52.525395,-1.937193 52.525483,-1.938261 52.526561,-1.938459 52.526787,-1.938673 52.527104,-1.938714 52.527182,-1.938727 52.527225,-1.938855 52.527509,-1.938980 52.527709,-1.939767 52.527564,-1.939592 52.527215,-1.939510 52.527030,-1.939481 52.526953,-1.939436 52.526779,-1.939383 52.526656,-1.939135 52.525918,-1.938846 52.526015,-1.938489 52.525906,-1.938086 52.525516,-1.937991 52.525440,-1.937619 52.525579,-1.937290 52.525395)))
point: POINT (-1.936427 52.530154)
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

How to fix this issue

Your dataset is missing the tree-preservation-order column.

The Tree preservation zone guidance explains how to fix the issue:

tree-preservation-order

The reference for the tree preservation order that covers this zone.

How to improve Birmingham City Council’s data

Fix the errors indicated
Use the check service to make sure the data meets the standard
Publish the updated data on the endpoint URL