Invasive Weed Management Ltd

Japanese Knotweed experts

Unit 12 The Sugar Refinery 432, Dewsbury Rd, Leeds, LS11 7DF Directions

   Open 24 Hours

Why Choose Us?

Many Years Experience
Sustainable Business
Satisfaction Guaranteed

Business overview

Specialists in the treatment & eradication of Japanese Knotweed, Himalayan Balsam, Marestail and all other invasive weeds

IWM are specialist in the treatment and eradication of Japanese Knotweed, Himalayan Balsam and all other invasive weeds across the UK. We cover all major cities including London, Bristol, Birmingham, Manchester, Leeds, Sheffield and Newcastle

We have a fully qualified NPTC & CSCS workforce and are one of the few companies in the UK who have a PCA qualified Japanese Knotweed surveyor. We also offer a bespoke insurance backed warranty & guarantees for house sellers.


Japanese Knotweed in full growth
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IWM offer a comprehensive package for control and eradication of marestail/horsetail
Japanese Knotweed growing on a development site in Norwich
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Japanese Knotweed growing in Leeds

Products & Services

Japanese Knotweed Control

Japanese Knotweed Eradication

Japanese Knotweed Report

Invasive Weeds

Invasive Plants

Invasive Weed Control

Invasive Weed Programme

Giant Hogweed Control

Giant Hogweed eradication

Himalayan Balsam Control

Himalayan Balsam Eradication

Japanese Knotweed removal

Japanese Knotweed on site translocation

Aquatic Weed control

Fully qualified surveyors and operatives

Stem Injection

grounds maintenance


tree surgeons

Rhododendron control

Rhododendron eradication

Marestail treatment

Horsetail eradication

Root barrier membrane supply & installation



  • Constructionline (151587)
  • Construction Skills Certification Scheme (05053610)
  • Safecontractor (FQ1697)


  • The Guild of Master Craftsmen (A124801)


  • Health and Safety in the Workplace, Level 2 Award (Chartered Institute of Environmental Health)
  • The Principles and Practices of Horticulture, Level 3 Diploma (Royal Horticultural Society)


Professional Company

I was very pleased with the work they did for me. The knotweed is now under control and they were very professional all the way and kept me informed through the whole process.
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Top Job

Japanese Knotweed completely removed from my properties quickly and efficiently. A real weight off my mind.
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