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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

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

Bamboo pushing up patio
September 4, 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.
Japanese knotweed in Autumn
September 2, 2024
2 minutes read

Where did Japanese knotweed come from?

Japanese knotweed is a pioneer species that is believed to have its origins in the volcanic mountains of Japan some 150 million years ago. Its ability to survive in hostile conditions at high altitude, helped it to gradually spread across what is recognised as its native territory of Japan, Korea, Taiwan and parts of China.
Jk in neighbour's garden blog banner
September 2, 2024
2 minutes read

What is the scientific background of Japanese knotweed?

Japanese knotweed, a highly invasive plant species, has undergone multiple reclassifications since it was first identified. Initially placed in the Polygonum genus, it has moved through various taxonomic stages, being categorised under Fallopia and, most recently, Reynoutria. Understanding its biology and behaviour is crucial for managing and controlling its spread, preventing further ecological and economic damage.
Residential excavation and treatment of knotweed
August 14, 2024
3 minutes read

Excavating Japanese knotweed vs. chemical treatment: Which is the best option?

Japanese knotweed is one of the most invasive and damaging plants in the UK. Its rapid growth and resilience can damage buildings, infrastructure, and local ecosystems. Effective management is essential, and the two most common methods are excavation and chemical treatment. But which is the better choice? Let’s examine the pros and cons of each approach.
Nic seal, Founder of Environet
May 7, 2024
2 minutes read

Our EOT Succession Story

To all our customers, I set up Environet in 1996 as an environmental consultancy; little did I know it would morph into the successful knotweed and invasive plant company it has become, employing some 30 people.
Net Zero Blog Banner
April 19, 2024
3 minutes read

Our Journey to Net Zero: Environet’s Commitment to Sustainability

We discuss our journey to becoming a Net Zero company, and our commitment to sustainability.
TA6 form on a desk with a laptop
February 13, 2023
2 minutes read

New 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.
bohemian_knotweed
September 17, 2020
2 minutes read

Rare Bohemian knotweed found in Buckinghamshire garden

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.

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.
Japanese knotweed encroachment on a residential site
May 20, 2024
1 minute read

Mitigating the risks arising from Japanese knotweed misrepresentation

This edition focuses on ways to mitigate the risks arising from Japanese knotweed misrepresentation.
Beacon 2024 Q1 Blog Banner
February 19, 2024
1 minute read

Herbicide treatment of knotweed can store up problems on site

In this edition, we focus on the use of herbicide as a control for Japanese knotweed on development sites. Our feature explores the potential pitfalls of opting for herbicide treatment as a low-cost control method.
Beacon Q4 blog banner
November 9, 2023
1 minute read

Is bamboo the next Japanese knotweed?

We discuss the increasing threat posed by bamboo, looking at how it impacts property, from physical damage to neighbour disputes.

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