The Warringah Council Tree Preservation Order covers the removal or wilful destruction of trees, meaning palm or woody perennial, greater than 5m in height or one that has a canopy width of over 10m –unless it is within a heritage conservation area or an environmental weed. Pruning work of less than 10% of the trees branches or root system does not require a permit from council.
General Notes on Councils:
The pruning or removal of any trees on public land, parks, bushland or Heritage Items need special permission from ALL councils.
The Noxious Weeds Act 1993 lists trees not requiring permission to remove.