TEL: 01327 703129
(Head Office)

TEL : 01962 886060
(Southern Regional Office)


Private Homeowners and Residential Properties

Practical, safe solutions for all your invasive weed problems – we are the knotweed professionals.


We have considerable expertise in producing reports for mortgage companies and rarely experience problems with any of the major high street lenders. We are proud to be active members of the Property Care Association (PCA) and are also accredited to Trustmark, CHAS and Safecontractor.

Many of our thousands of clients are people who are buying or selling property with Japanese knotweed (or other invasive weeds) growing in or close to their gardens or spaces. We work with private homeowners, housing associations, landowners and local authority housing stock.

Our surveys are always carried out by a qualified and experienced surveyor and our reports are accepted by the vast majority of mortgage companies. The information collated during the survey is used to generate a site specific and detailed report, which can be submitted to solicitors, mortgage lenders or other interested parties. Reports can be used by a purchaser, either now or in several years’ time, and reports can be updated to include details of works carried out since the original report was produced.


Our services for residential properties typically include:

  • Knotweed Management Plans
  • Invasive Weed Surveys
  • Verification reports (for when the presence of knotweed is uncertain)
  • Free quotations
  • Herbicide treatment programmes with optional extended guarantees
  • Insurance-Backed Guarantees (IBG) for up to 10 years (provided by Guarantee Protection Insurance)
  • Excavation and removal (where appropriate – subject to site assessment)
  • Root barrier installation

CLICK HERE to Download our Identification Sheet

CLICK HERE to download our Advice to Homeowners Leaflet

Growing stand of knotweed


All our herbicide programmes come with a guarantee and are designed to ensure that a Certificate of Completion may be issued at the end of the programme. Works are carried out by competent, experienced and qualified personnel, all of whom hold NPTC spraying certificates and either Certificated Surveyor in Japanese knotweed (CSJK) or Qualified Technician in Japanese knotweed (PCA QTJK) qualifications. Our Director, Brian Taylor, and our Southern Regional Manager, Jim Glaister, were both awarded the PCA Student of the Year for their CSJK examinations (in 2017 and 2015 respectively).

 Knotweed growing above fence

The Knotweed Company operate throughout England and Wales, as well as the Channel Islands. We are happy to provide verbal advice and discuss your site over the telephone. We also respond to e-mail queries and can provide advice arising from the information we are supplied. We can meet you on site to discuss matters in more detail, but we may have to make a charge if a site visit is involved (depending on location and timescale).

In addition to thousands of private customers, we also work for associations, councils and organisations such as The Church of England, HML Andertons, HML Hathaways, HML Shaw, Innes England, ISS, Kettering Borough Council, London Borough of Hounslow, London Borough of Richmond, Merthyr Valley Homes, McMullen Brewery, National Trust, NHS, PSN Property Services, St Mungos and Wesleyan Assurance Society.

Accreditation Property Care Association Accreditation Trustmark Accreditation CHAS Accreditation Constructionline Acclaim Accreditation Amenity Forum Accreditation Amenity Standard Accreditation Alcumus Safe Contractor Accreditation Builders Profile Accreditation FSB

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