View our members

Here you’ll find a full list of INNSA members. You can find a more detailed company profile which includes accreditations, qualifications held, which locations covered and all species dealt with, when you click read more under each profile.

15 years

Japanese Knotweed Control Ltd

Accredited Contractor and Consultant Member

Established in 2004 by joint managing directors, David Layland and Richard Podmore, Japanese Knotweed Control (JKC) is a pioneering company at the forefront of the invasive weed treatment industry and responsible for introducing the innovative stem injection treatment method into the UK and Europe. With its emphasis on providing cost-effective and ecologically-sound solutions, JKC works for a broad range of commercial customers and has an extensive network of environmental and amenity contacts across both the public and private sectors. As well as stem injection it offers the full range of treatment methods, including fiolia spraying, on-site burial and dig and dump, all tailored to the individual requirements of customers and their sites. Based in Stockport, Cheshire, the company is a founder member of the Invasive Non-Native Species Association (INNSA) and an active member of the Amenity Forum. It is committed to technological advancement, education and training across the treatment industry.

about us

Japanese Knotweed Control Ltd

Company: Japanese Knotweed Control

Company Type: Accredited INNSA Contractor Member

Accredited: Yes

Address:Houldsworth Business and Arts Centre, Houldsworth Street, Stockport, Cheshire, SK5 6DA, UK

Contact: Richard Podmore

Tel: 0845 6431168

Position: Joint Managing Director

Locations: All Regions

Clients- Private Individuals: Yes

Clients- Business:Yes

Waste Carriers Lisence: Yes

Environmental Permit: Yes

PI Insurance: Yes

Hired in Plant Insurance: Yes

Public Liability Insurance: Yes

Number of staff: 5


Email: [email protected]


First Aid: Yes


PA1: Yes

PA6: Yes

PA6AW: Yes

Chainsaw: Yes


Articulated Dumper: Yes

Forward Tipping Tracked Dumper:Yes

Dedicated Surveyors: Yes

Japanese Knotweed (Fallopia japonica)

Himalayan Balsam (Impatiens glandulifera)

Giant Hogweed (Heracleum mantegazzianum)

Giant Rhubarbs (Gunnera species)

Horsetail (Equisetum species)

Ragwort (Senecio jacobaea)

Rhododendron (Rhododendron ponticum)

Case Studies

River Douglas, Wigan

River Douglas, Wigan Treatment of large amounts of Japanese...
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Narvick Way, North Tyneside

Narvick Way, North Tyneside Excavation from construction area, with...
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Lanark Way, Belfast

Lanark Way, Belfast Site survey and treatment plan for...
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