Ash Canopy Decline Class
Usage Zone 1
- Trees within falling distance of a high volume public road, rail network, where people are regularly close to ash trees and close proximity to property.
- Higher risk where trees are greater than 10 years old.
- High levels of public use
Class 1
(100% - 76% canopy)
- Presumption that normal felling permission applications are required. Exemptions may apply.
- The preference will usually be to retain trees in this class
Class 2
(75% to 51% canopy)
- Presumption that normal felling permission applications are required. Exemptions may apply.
Class 3
(50% - 36% canopy)
- Trees should be monitored closely and early felling permission applications are strongly advised.
- If the tree presents an immediate danger to persons or property it can be felled under existing felling permission exemptions (including the removal of tree limbs). Other exemptions may also apply.
- Where there are no significant sensitivities. felling permission applications may be considered for fast tracking.
Class 4
(25% - 0% canopy)
- Trees should be monitored closely and early felling permission applications are strongly advised.
- If a tree presents an immediate danger to persons or property it can be felled under existing felling permission
- exemptions (including the removal of tree limbs). Other exemptions may also apply.
- Where there are no significant sensitivities, felling permission applications may be considered for fast-tracking.
- Standing, completely dead trees can be felled under existing felling permission exemptions
Last modified on 20 January 2023