Japanese Knotweed
A nationwide service using proven methods for the effective control and eradication of Japanese Knotweed.

A nationwide service using proven methods for the effective control and eradication of Japanese Knotweed.

Regulatory Compliance, Carbon Accounting, Pollution Prevention, Waste Management, Acoustics and Noise Control, Contaminated Land, EMS ISO 14001


20 year Japanese Knotweed guarantee available on our Xtract method
Specialist Consultancy - Expert Witness - Site Surveys - Rhizome Xtraction - Herbicide Control - Supervised Excavation - Warranties
Using proven methods for successful Japanese Knotweed removal, such as chemical treatment using herbicides, or our Xtract method, we provide a working solution for your site requirements.
Environet is the specialist contractor for Japanese Knotweed eradication across the UK, covering England, Scotland and Wales. Based in the south east, in the county of Surrey, we have earned a reputation for providing effective remediation strategies and excellent customer service. Japanese Knotweed is found throughout London and we are well postioned to serve the greater London area.
Developers looking for a knotweed contractor might benefit from downloading our Japanese Knotweed Guide,
published on our blog page. This guide will assist in the planning stage of your development and highlight some of the methods used in ensuring your site stays knotweed free. We would welcome the opportunity to quote for any knotweed removal works, please contact us directly or by email.
If you are simply looking for some pictures to identify this invasive plant, our knotweed photos page will help. If you still are not sure, email us a photo of the suspect plant and we will hopefully confirm that you don't have knot weed on your land.
Japanese Knotweed is a major problem due to its capacity to spread and its ability to cause damage to property. However, to refuse a mortgage simply because some knotweed is present on the land seems to be a complete over-reaction. Despite reports to the contrary, it is possible to completely eradicate the plant. We wouldn’t [...]
Japanese knotweed has been labelled as an “aggressive superweed” – but a new bug has been approved for release to combat this alien invader. Nic Seal provides an expert opinion. BBC Surrey Article
Home buyers are being denied a mortgage by banks and building sites because the property they are trying to purchase has been affected by an invasive garden weed. Read Article from the Telegraph
After years of research, the tiny sap sucking insect Aphalara itadori is about to be released into the environment, to help tackle the advancing invasion of the superweed, Japanese Knotweed. But is this the best way to fight it? Japanese Knotweed is a major problem for owners of infested land. It can cause immense damage [...]
A selection of our Japanese Knotweed Clients