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Contact TCM Knotweed London

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Contact the Team at TCM

Contact our TCM environmental consultants in London by completing this contact form, or you can call or email us directly using the information on this page.

If you think you may have Japanese knotweed on your land or property but require an expert eye, then please send us an image. You can upload an image here and one of our invasive weed experts will be in touch with you as soon as possible.

Start your journey to being Japanese knotweed free with TCM Ltd.

TCM Limited

124 Clare House,
Hawthorne Avenue,
E3 5PZ

0330 6781077

Connect with Us

Opening Times

  • Monday: 8:30am – 5pm
  • Tuesday: 8:30am – 5pm
  • Wednesday: 8:30am – 5pm
  • Thursday: 8:30am – 5pm
  • Friday: 8:30am – 5pm
  • Saturday: Closed
  • Sunday: Closed
Howard Downer


Howard Downer, AKA Dr. Knotweed, has over 20 years of experience as an Environmental Consultant and is regarded by his peers as one of the most knowledgeable people in the Japanese knotweed industry.

Follow Dr. Knotweed to hear about the latest developments regarding Japanese knotweed and the implications of infestation.

Latest Residential Case Studies

Latest Commercial Case Studies

Brownfield Site, Glasgow  

Brownfield Site, Glasgow

TCM were commissioned by a Commercial company wishing to develop a brownfield site in Glasgow, Scotland.