UKTC Archive

Re: Monetary Value of Minor Damage to Trees

Subject: Re: Monetary Value of Minor Damage to Trees
From: Pedro Calaza Martínez
Date: Jul 13 2019 19:08:11
        Dear Ivan, In Spain we use “Norma Granada” as a method to calculate 
the value of trees (obligatory in Madrid, Barcelona, A Coruña and more 
cities…). This method offers a section to calculate partial damage (for 
example in trunk or roots). If the damage is over a determined % of total 
damage, the value is total. Now We are working in a new version (the last one 
is 2006) and we are including more services and disservices. 
        Other option could be to calculate the value before and after the 
damage and the difference between them is the lost value. Best wishes. Pedro.




El 13 jul 2019, a las 18:02, Ivan Button, Crown Consultants 
<ivan@xxxxxxxxxxx.co.uk> escribió:

Can anyone point me towards any precedent whereby a diminution in value has 
been ascribed to trees that have been damaged but not written off? Damage 
such as bark wounds and broken branches caused by a neighbours Bobcat for 
example.

Or does anyone have any suggestions as to how a diminution in value might 
be ascribed to a mature tree with a small bark wound that is likely to heal 
in 5 years or so (for example), or a larger one that might heal over in 10 
or 20 years but not without some decay setting in, or to a branch that 
should be removed as a consequence of the damage.

I know that CAVAT, Hellliwell and itrees can be used to calculate the value 
of a tree. I also know that a value can be attributed to the work necessary 
to replace a tree or to prune out damaged branches. But what about damage 
to part of a tree; damage that does not really require additional 
maintenance costs; damage that might not even shorten the life expectancy; 
but damage that upsets the aggrieved owner of the tree none-the-less.

How might a court value such damage?

Any suggestions and pointers will be greatly appreciated.

Ivan



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