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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.

20 years

Japanese Knotweed Solutions Ltd

Accredited Contractor and Consultant Member

Japanese Knotweed Solutions Ltd is the largest and longest-established Japanese knotweed company in the UK, with over twenty years’ experience on projects of all sizes. We are the pre-eminent experts in the field and the first company to recognise the problems with Japanese knotweed. We have the greatest number of successfully-completed Japanese knotweed projects of any UK company. We offer a full variety of services including site assessments, a range of treatment methods and on-going site maintenance. All of our works are carried out by in-house teams, in accordance with the industry Code of Practice. We have offered a unique insurance-backed warranty for half a decade, which can provide cover for up to twenty years.

My experience has been exceptional.....

My experience has been exceptional, the receptionist, surveyor and Director were all very helpful when we thought we might loose the purchase of our property, even though our solicitor dropped it on us that the lender required a new guarantee the day everyone finished for Christmas. They corresponded with me and reassured me even whilst they were on annual leave.

Janet Noon - Private Homeowner

14 years I have been with Jones Homes and they have been the only Specialist we have used....

The Company has worked with Japanese Knotweed Solutions for many years and certainly during the last 14 years I have been with Jones Homes they have been the only Specialist we have used for any Invasive Weed issues. The Company has always provided us with a prompt service with good communication and appropriate advice for the removal of any invasive weeds.

We have had schemes which have ranged from very small stands of knotweed to very large areas with costs ranging from a few thousand to over one hundred thousand. All our works are planned in advance as our programmes are considered during our purchase of development sites and as such the programming of the works with JKSL has never been an issue. If an emergency does arise they have been very responsive and have often reviewed the issue and provided advice within 24-48 hours.

In terms of budgets and keeping to them, again I can confirm that we have had no issues in this respect. The Health and Safety on our sites is of paramount importance to our Company. JKSL have worked for a significant number of years with Jones Homes and I cannot recall any safety issues to date. They submit all their Risk Assessments Method Statements etc in advance of the commencement of any works for review by our Group H&S Manager without issue.

They have also provided assistance with advice and reports for mortgage applications where the surveyors have highlighted the former presence of knotweed which has allowed purchasers to obtain mortgages. We always allow for a 5 year monitoring period for any regrowth which JKSL use to continue after the sale of properties with no issues.

Chris Lord - Jones Homes Ltd

The team are good, professional and work to high H&S standards...

I have used JKW solutions on many occasions (large and small projects). I find them extremely proactive with a can-do attitude. The team are good, professional and work to high H&S standards. I find them not the very cheapest but I do find them extremely compliant and offer good value for money, especially when it comes to the after treatment, monitoring and warranties.

Richard Dolman - AR Demolition Ltd
about us

Japanese Knotweed Solutions Ltd

Company: Japanese Knotweed Solutions Ltd

Company Type: Accredited INNSA Contractor and Consultant Member

Accredited: Yes

Address: Low Wood Commercial Warehouse, Suites 3, 4 & 5, 574 Manchester Road, Bury, BL9 9SW

Contact: Suzanne Hardy

Tel: 0161 723 2000

Position: Contracts and Marketing

Locations: All Regions

Clients- Private Individuals: Yes

Clients- Business:Yes

Waste Carriers License: Yes

Mobile Treatment Permit: Yes

National permit to incinerate: Yes

Environmental permit: Yes

Basis Accredited:Yes

Amenity Assured:Yes

PI Insurance: £3,000,000

Employers Liability Insurance: £10,000,000

Hired in plant insurance: £150,000

Public Liability Insurance: £10,000,000

Number of Staff: 28


Email: [email protected]

ISO 9001:2008: Yes

ISO 14001: Yes


First Aid: Yes

H&S: Yes


Personal Track Safety: Yes


Asbestos Aware: Yes

CAT Scan Cert: Yes

Forward Tipping Track Dumper: Yes

Articulated Dumper: Yes

Tipper Dumper: Yes

360 Tracked Exec:Yes

Mobile Treatment Permit: Yes

Dedicated In-house Surveyors: Yes

Relevant Degrees or professional qualifications: Yes

Relevant Degree Details:  Mike Clough – BA Hons Landscape Architecture; Alex Dayes – BSc Environmental Conservation; Jonathan Harris – BSc (Hons) Ecological Science & Wildlife Management and IEMA; Kate Hilton – BSc (Hons) Earth and Environmental Science

PA1: Yes

PA6: Yes

PA6AW: Yes

Chainsaw: Yes

Aerial Rescue: Yes

Maintenance Equipment Safety: Yes



Japanese Knotweed (Fallopia japonica)

Giant Hogweed (Heracleum mantegazzianum)

Himalayan Balsam (Impatiens glandulifera)

American Skunk-cabbage (Lysichiton americanus)

Broad leaved dock (Rumex obtusifolius)

Canadian Goldenrod (Solidago canadensis)

Cotoneaster (Cotoneaster species)

Creeping thistle (Cirsium arvense)

Curled dock (Rumex crispus)

Evergreen Oak (Quercus ilex)

False Acacia (Robinia pseudoacacia)

Giant Rhubarbs (Gunnera species)

Horsetail (Equisetum species)

Hottentot Fig (Carpobrotus edulis)

Japanese Rose (Rosa rugosa)

Marestail (Hippuris vulagaris)

Ragwort (Senecio jacobaea)

Rhododendron (Rhododendron ponticum)

Russian-vine (Fallopia baldschuanica)

Spear thistle (Cirsium vulgare)

Turkey Oak (Quercus cerris)

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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A44, Wolvercote

A44, Wolvercote Mechanical remediation strategy (via vacuum excavation) for...
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