Skip to content Japanese knotweed (Reynoutria japonica) is one of the UK’s most invasive plants, capable of spreading rapidly and damaging structures, hard surfaces and property values. Effective removal requires the right method, delivered by experienced specialists – especially where mortgages, development works or legal compliance are involved.
Whether you’re a homeowner or a developer, our expert teams deliver fast, compliant and guaranteed solutions tailored to your site and goals.
Correct identification is the first step. Knotweed has bamboo-like canes, spade-shaped leaves, rapid seasonal growth and white flowers in late summer.
For certainty, use our FREE identification service, simply send us clear photos.
Removal options fall into three main categories, depending on the site, goals and urgency.
Best for: urgent timeframes, development sites, extensions, landscaping or where ground will be disturbed.
Key methods:
Best for: gardens or land where soil will not be disturbed.
Biological options such as the Aphalara itadori psyllid are under trial but not commercially available.
Your ideal solution depends on:
We offer homeowner-specific solutions that align with mortgage lenders and minimise garden disruption.
Key options:
For developers, contractors and landowners:
Methods vary significantly:
Full breakdown:
Costs vary depending on infestation size, access, method and urgency.
See detailed price ranges and examples:
Key UK legislation includes:
We provide:
Browse residential and commercial success stories:
Receive an insurance-backed guarantee for up to 10 years, accepted by all major mortgage lenders
Tailored removal methods for every property type
PCA accredited professionals who care about their customers
Japanese knotweed can appear straightforward to deal with. Cut it back, spray it, dig it out. In practice, this is where many problems begin.
We are frequently instructed after:
Japanese knotweed is not just a horticultural issue. Once soil is disturbed, it becomes a compliance issue.
Before attempting DIY removal, it is important to understand:
If you are considering handling knotweed yourself, read our detailed guide.
Excavated Japanese knotweed material is classified as controlled waste under UK legislation.
This means:
Improper disposal is one of the most common legal breaches we see, particularly on small development sites and residential renovations.
Before disturbing knotweed, review our guidance on:
Japanese knotweed disposal regulations.
We’ve helped thousands of homeowners and developers remove knotweed quickly, safely and with full legal compliance.
Rest assured, where invasive species are identified at an early stage and tackled correctly, problems can usually be avoided. Our specialist consultants complete thorough surveys to identify the extent of the problem. Our plans aren’t one-size-fits-all; they’re customised to tackle the invasive species at your property effectively, taking account of all of your requirements.
Our team of experts is available between 9am and 5:30pm, Monday to Friday to answer your enquiries and advise you on the next steps
Want a survey?
If you already know you have an invasive plant problem, you can request a survey online in less than two minutes by providing a few brief details. A member of the team will swiftly come back to you with further information and our availability.
Need quick plant identification?
Simply upload a few images of your problem plant to our identification form and one of our invasive plant experts will take a look and let you know, free of charge what you are dealing with. We’ll also be there to help with next steps where necessary.
