Japanese Knotweed Removal & Treatment Servıces
Stop the spread with professional knotweed treatment and removal. Available for both commercial and residential sites with insurance-backed guarantees, so you can get rid of Japanese knotweed for good.
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Our Japanese Knotweed Treatment and Removal Solutions
Herbicide treatment focuses on killing Japanese knotweed with either foliage spraying or a stem injection, depending on which solution our experts think will work best for you.
It is an easy-to-apply, cost-effective solution to removing Japanese knotweed with repeat applications.
This treatment works over time by eradicating the Japanese knotweed visible above the ground. It is ideal for situations where digging out the site of the infestation is not possible.
Removal and excavation services for Japanese knotweed are very effective for the complete removal of the invasive plant, including its roots.
Once they have identified knotweed on your site, our experts will decide on the correct solution. Typically, this will involve digging out the area,
sifting and screening
the soil, and installing root barriers to limit the regrowth of the roots. Excavation and removal are especially useful when time is limited as they can allow for the affected area to be removed and dealt with elsewhere.
About Japanese Knotweed
Appearances can be deceiving and, whilst to some Japanese knotweed is an attractive plant, the Environmental Agency (EA) has identified it as stubbornly aggressive and invasive. That means, where it has been identified by the UK government as “controlled waste”, there are regulations when it comes to the identification, prevention, removal and disposal of the plant.
It is extremely hard to remove and eradicate Japanese knotweed without professional help, and there are laws around its encroachment and its disposal. Here at Japanese Knotweed Specialists, we offer a full range of services such as knotweed identification, treatment, and removal. All of our services come with a guarantee for your peace of mind.
Japanese Knotweed Removal - Our Expert Process
Our proven process to remove Japanese Knotweed works on any size site, whether 1m2 in size or 1000m2.
- It Starts with Japanese Knotweed Identification
Once Japanese knotweed has been identified, you will need a survey to understand the scale of the problem.
- We Survey the Land
Our team of knotweed treatment specialists will survey the full site to determine how to approach the problem. We do this to minimise removal costs, determine the risks of every project, and establish the environmental impact of treatments. During site visits, our PCA Accredited Surveyors will inspect your land and any surrounding areas for signs of knotweed (including overgrowth). In certain circumstances, this might be carried out by sniffer dogs.
- We Provide You with a Bespoke Management Plan
After completing the survey, you can expect to receive a detailed report and Knotweed Management Plan (KMP) within 5 working days (depending on the complexity and size of your project). This will outline your Japanese knotweed treatment plan and include:- Written report
- Detailed quote
- Complete information pack
- Issue you with a Guarantee
Once it has been issued, approved, and paid for, your Japanese knotweed management plan is guaranteed. Our work is PCA-approved and fulfils mortgage lender requirements, which is because our professionals can issue RICS- (the Royal Institute of Chartered Surveyors) approved surveys.
Depending on the project, our guarantees can last up to 35 years. Optional GPI insurance policies can also offer additional peace of mind.
- Provide Aftercare
Once our team has treated and removed Japanese knotweed, we won’t leave you to deal with any future occurrences or issues that arise. We offer a holistic knotweed removal service, where we work with you to monitor the site post-treatment.
As a market-leading knotweed removal company, our work is accredited by the Property Care Association and the Royal Institute of Chartered Surveyors, and is recognised by mortgage lenders. We work across the country and work with everyone from government agencies to private homeowners.
Flexible Knotweed Treatment & Removal Options
We work across multiple sectors, both private and public, to offer our expert services for eradicating Japanese knotweed, from consultancy to removal.
Residential
Our teams will work considerately in your home and garden to ensure our knotweed removal and disposal service is not only thorough, but protects the habitats you may have also. You can also rest in the knowledge that we have trained our removal staff to work around pipes, such as gas or plumbing, ensuring your day-to-day life isn’t affected.
Commercial
When preparing to develop a site, carrying out a survey and removal is best done before any construction starts. With our ability to carry out dog surveys, we can find knotweed all year round, and begin removal reactively to ensure your project isn’t delayed and can continue, backed by our guarantees.
Frequently Asked Questions
How Can I Identify Japanese Knotweed?
You may find it difficult to identify Japanese knotweed depending on the time of year, as appearance is seasonal and changes quite significantly. Typically, the first shoots of knotweed start to appear above ground as early as March, before aggressively growing up to 2 cm every day. In the winter, whilst it may look dormant, the root system – known as the rhizome – can still be actively spreading underground.
The most common characteristics of Japanese knotweed include:
- Hand-sized, shovel shaped leaves with a pointed tip
- Creamy white flowers that appear late summer
- Zig-zag shape on the stem
- Aggressive growth habits
Why Is It Important to Treat & Remove Japanese Knotweed?
For commercial land developers, current homeowners, and those with pending mortgage applications, Japanese knotweed discovery can cause worry, headaches, and unexpected costs if not approached correctly.
Japanese knotweed can regrow with only a thumbnail’s worth (around 0.2g) of rhizome (the root system) left. Therefore, while a herbicide treatment can be effective in certain scenarios, removal is the only way to completely eradicate it.
Japanese Knotweed Specialists offer a variety of removal services, including blended approaches, for instance applying a herbicide treatment and excavating.
Amongst Other Things, Japanese Knotweed:
Makes buying & selling difficult
Costs the UK economy millions in damages
Has a reputation for being incredibly hard to fully eradicate
What Are the Long-Term Dangers of Japanese Knotweed?
While there are no impacts to human health, the damage to buildings, gardens and neighbouring land is vast, thanks to Japanese knotweed’s ability to spread up to 10cm a day in the growing season. This invasive species will grow through concrete, tarmac and even building foundations.
Especially pressing for commercial developments where time and resources are finite and sensitive, project timescales can quickly come under costly jeopardy with a Japanese knotweed infestation. Conservation of the natural environment is also critical.
It's also illegal to let knotweed knowingly spread, and you could be fined or land a jail sentence in severe cases.
What are the Laws Surrounding Japanese Knotweed?
EA (Environment Agency) Knotweed Code of Practice
PCA (Property Care Association) Code of Practice
Invasive Weed ASBO: The Anti-social Behaviour, Crime and Policing Act 2014
Wildlife and Countryside Act 1981
The Environment Protection Act 199
Can I Remove and Kill Japanese Knotweed Myself?
Killing Japanese knotweed with weedkiller
Glyphosate-based weed killers available from garden centres will all have a harmful effect on Japanese knotweed, however this is an incredibly slow process that requires at least three to four growing seasons to be effective and completely eradicate Japanese knotweed.
Killing Japanese knotweed with bleach
Do not attempt to kill Japanese knotweed with bleach. This will only damage your garden/grounds and the surrounding environment. Even if the use of bleach impacts its growth – it will not be sufficient to treat and remove it completely.
Killing Japanese knotweed with vinegar
There is no reputable evidence to suggest that vinegar is successful at treating and removing Japanese knotweed.
Cutting back Japanese knotweed
Despite some claims that Japanese knotweed will not regrow from cut canes, cutting back knotweed alone will not eradicate it.
Our Bespoke Live Reporting System
Our parent company, Grounds Care Group, uses a bespoke live reporting software called iView, developed over 12 years, and as a Japanese Knotweed Specialist customer, you will have access to iView. This gives you insight and scheduling reports, as well as access to receipts, quotes and documentation at the click of a button. Here, you can see the progress of your Japanese knotweed removal, all from your computer or phone.
Get a Rapid Response
Speak to one of our expert Japanese knotweed specialists today on 0800 122 3326. Alternatively, please fill in our contact form through the link below.