That you are legally required to preserve any invasive vegetation on your own land under control, this involves Japanese knotweed. As the plant is labelled as controlled waste via the Wildlife and Countryside Act 1981 [8], it is against the law to simply eliminate Japanese knotweed out of your land https://japaneseknotweedcontrol61591.ampedpages.com/japanese-knotweed-control-can-be-fun-for-anyone-64770624