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Knowledge Hub

Whether you’re a homeowner, a property professional or work in construction, our Knowledge Hub contains everything you need to know about invasive plants, all in one handy location

Some useful information to explore

Guides

Knotweed map of UK

Japanese Knotweed UK Heatmap

Exposed™: The Japanese Knotweed Heatmap is an interactive online heatmap of Japanese knotweed sightings across the UK.
Mortgage paperwork with some keys and a pen

A Guide to Mortgages and Japanese Knotweed

Understand how the presence of Japanese knotweed could affect your mortgage.
Insurance button on keyboard

Japanese Knotweed Insurance Guide

Making sure you have the right protection against the costs associated with the discovery of Japanese knotweed.

read our latest news

Blogs

July 21, 2025
2 minutes read

2025 Japanese knotweed hotspots revealed!

Are you in a Japanese knotweed hotspot? As more data is added to the most comprehensive heatmap in the UK - we reveal 2025's top 10 counties.
May 23, 2025
3 minutes read

Introducing KnotSure™: A Smarter Way to Assess Japanese Knotweed Risk

With the launch of KnotSure™, our new desktop report, property professionals and homebuyers finally have a fast, affordable way to understand the knotweed risk at any UK address, using real data and expert insight – ahead of committing to an on-site survey.
Wildflower meadow
May 16, 2025
3 minutes read

Best gardening practices to reduce invasive species risk

Invasive non-native species (INNS) pose significant threats to our native ecosystems, outcompeting indigenous flora and disrupting wildlife habitats. While managing existing invasives is crucial, proactive measures to promote native biodiversity are equally important.
Montbretia 2
May 1, 2025
3 minutes read

Impact of Invasive Weeds on Native Wildlife

In this blog, we explore how invasive non-native weeds affect native wildlife in the UK and why early intervention is key to protecting our fragile ecosystems.
Version of TA6 form
February 13, 2023
2 minutes read

JustCheck™ – Japanese knotweed protection offers peace of mind to homebuyers and sellers from Japanese knotweed

We’ve launched a new survey, JustCheck™ aimed at homebuyers and sellers who want more certainty on whether or not a property is affected by Japanese knotweed.
Bamboo pushing up patio
October 18, 2024
3 minutes read

Bamboo Removal Guarantees: A New Standard in Property Protection

For years, the spotlight has been on Japanese knotweed, but as awareness of bamboo's destructive potential grows, so too does the demand for reliable removal solutions. Recognising this, Environet has launched the UK’s first insurance-backed guarantee (IBG) for bamboo removal—a significant milestone in the battle against this persistent plant.
Removal costs blog banner
October 30, 2023
4 minutes read

How much does it cost to remove Japanese knotweed in the UK? 

Homeowners and developers often wonder about the costs associated with treating or removing this troublesome plant.
bonsai_growth
August 5, 2019
2 minutes read

Dealing with bonsai growth

educational training

Webinars and seminars

Photo of a Seminar led by Nic Seal
March 10, 2023
3 minutes read

Webinars and Seminars

Webinar advert
March 21, 2023
1 minute read

‘How does Japanese knotweed affect property sales’

This morning, our Managing Director and Founder, Nic Seal, guest presented a webinar for leading conveyancing body, Searches UK. Nic presented the webinar ‘How does Japanese knotweed affect property sales’ to over 170 registrants.
Webinar advertisement
March 21, 2023
1 minute read

“How to identify invasive plants and understand the risk they present”

Last week, we were thrilled to have one of our directors, Emily Grant, present to an audience of knowledgeable property professionals, including chartered surveyors and property developers, her latest webinar, ‘How to identify invasive plants and understand the risks they present’ which took place, with limited capacity on Tuesday 14th March,10am.

expert research

Beacon

There’s a lot of misleading information about Japanese knotweed, and other invasive plants, so we thought we’d share our knowledge and expertise. Our articles are designed to provide impartial honest information, written by experts, to make you better informed.

Beacon July 2025
July 24, 2025
1 minute read

Buyers are bearing a greater burden when it comes to knotweed checks.

Our July 25 information papaer looks at the impacts that the changes to the TA6 form has had on buyers when it comes to Japanese knotweed declarations.
March 31, 2025
1 minute read

Early intervention is crucial when dealing with invasive plants on site.

Our March information paper looks at the benefits that developers can gain by ensuring early intervention with invasive plants on site.
Beacon Dec 24 document header
December 18, 2024
1 minute read

How can homebuyers be protected from the risks posed by bamboo?

Our December information paper explore the current framework for highlighting invasive bamboo during property transactions and provides advice on how surveyors and conveyancers can better protect their clients.
October 3, 2024
1 minute read

A decade of change. Homeowners are opting for excavation of knotweed over herbicide.

Our September information paper highlights the changing trends in residential treatment programmes for Japanese knotweed over the last decade.

Start fixing your invasive plant problem today by requesting a survey

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. 

GET IN TOUCH

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. 

Contact our team of experts today