Crown Thinning Removing branches from the crown of a tree  without reducing the height or the spread.   This prevents the tree from becoming too  dense, stops the tree from casting too much  shade and is a useful method for allowing  more daylight into nearby properties whilst  retaining the tree’s size.  It also helps the wind  to blow through a tree that may be  susceptible to wind damage.  Whilst crown  thinning, we also remove any deadwood  and defective branches. This is useful when a  reduction is desired without wishing to alter  the overall appearance of a tree.