The Knotweed Company

Unit 3, Royal Oak Court, Royal Oak Way North, Daventry, Northants NN11 8PQ

Telephone: T: 01327 703129 (Head Office) / 01962 886060 (Southern Office)



The Knotweed Company offers a full range of Japanese knotweed treatment and eradication services throughout England and Wales. In addition to Japanese knotweed, we offer treatment and management solutions for a number of other invasive and problematic species, including Giant hogweed, Himalayan balsam, Common ragwort and bamboo. We have established a reputation for professional, plain-speaking, non-scaremongering advice. Our services, provided by our in-house team, are reliable, effective, tailored to the site/client requirements and competitively priced. We operate in strict adherence to the Environment Agency’s Knotweed Code of Practice, Best Practice and the guidelines of the PCA. Services include:

Herbicide Treatment
Root barriers
Management Plans
Verification Reports
Property Risk Survey Reports

We offer extended warranties on our treatment programmes, which are insured by Guarantee Protection Insurance Ltd. We are members of the PCA and NAAC, and are accredited by Trustmark and CHAS. All our surveyors hold the PCA CSJK qualification and our Director is a qualified BASIS Advisor.

We don’t make bold marketing claims; we just get the job done.