Japanese knotweed – the invasive weed that can slash your property value

japanese knotweed

There are many things that can affect your property value, but you could be forgiven for thinking that the presence of a ‘weed’ would not have any significant impact.

You couldn’t be more wrong if the weed in question happens to be a knotweed of the Japanese variety.

Japanese knotweed can cause significant damage to your property, hitting you in the pocket should you remain and attempt to remedy the problem, or be looking to move to a new property in which case you’ll probably still have to sort the knotweed issue before you can sell.

Knotweed can also even impact on you should the invasive weed be in close proximity to you but on an adjoining property.

Read on to find out about Japanese knotweed, how to get rid of knotweed, the damage it can cause to your property, and the costs of knotweed on properties, mortgages and the UK as a whole.

What is Japanese knotweed?

Japanese knotweed was introduced to Britain by the Victorians in the 19th century as an ornamental garden plant. The Victorians weren’t aware of how invasive and hard to keep under control Japanese knotweed actually is, so for years it has gone largely unchecked.

In its traditional homelands of Japan, China and Taiwan, knotweed doesn’t cause anywhere near as much harm and damage as it does outside of its natural environment.

This is because it has plenty of natural predators such as fungal pathogens and insects, but these don’t exist in Europe, meaning the weed can grow prolifically.

Classed as ‘controlled waste’ under the Environmental Protection Act 1990 knotweed is only allowed to be disposed of at licensed landfill sites.

The proliferation of fly tipping in recent years has inadvertently caused the weed to spread. Some experts claim today that there is not a 6 square mile section of the UK that doesn’t contain knotweed.

How do you kill or get rid of Japanese knotweed?

Now, if you are wondering how to kill Japanese knotweed? Japanese knotweed treatment is difficult as the plant is extremely hardy, is resistant to burning, and keeps growing back.

Herbicides, such as glyphosate based products, can be used in some cases, but the only way to fully and permanently get rid of Japanese knotweed is to fully excavate the often extensive network of underground roots, or rhizomes as they are known…
 
Continue reading the article and learn more about Japanese knotweed on Mike Gregory’s blog.
 
 

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