Location of Tree Preservation Orders in tLondon Borough of Hounslow. A Tree Preservation Order (TPO) applies to an individual tree, a cluster of trees or a woodland. A TPO grants legal protection against a tree being removed, damaged or destroyed. It is an offence to cut down any part of a tree which is the subject of a TPO including cutting the roots, without first obtaining consent from the London Borough of Hounslow. (PHASE 2)
