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JAPANESE KNOTWEED Q&A

What is Japanese Knotweed?

Japanese knotweed sprouts in Spring with bamboo type shoots, which flourish tall with green shovel/heart shaped leaves. It is easy to identify in the Summer when small cream flowers bloom and the leaves have a distinct zig-zag pattern. In Autumn the plant will wilt and fade into autumnal colours.

Where will I find Japanese knotweed?

Japanese knotweed most commonly grows wild on disused land. It can be found in locations by train stations for example; which can then lead onto your property boundaries. Knotweed will spread rapidly! Through watercourses and movements of soil for road-building and construction. Even the smallest fragment of the plant that has been discarded in soil can mean that it is contaminated and very likely to re grow.

How can it affect my property?

Japanese knotweed poses a threat to buildings. It grows vigorously with a potential reach of 4 metres high, roots up to 3 metres deep and 7 metres horizontally. The rapid growth can cause structural damage to your property. Structural surveys MUST state if Japanese Knotweed is within the properties vicinity.

What type of claims can I make?

Nuisance Claim – Following a landmark Court case, you may be entitled to compensation if you are experiencing nuisance from Japanese Knotweed

Misrepresentation – a property owner has a duty to notify you if there is any Japanese Knotweed at the property

Negligence – Your surveyor had a duty to ensure that checks for Japanese Knotweed were carried out to ensure that the value of your home was not affected.