UK's leading independent
Invasive Species advisor

Property Care Association’s only
approved independent surveyor

Ashfield Japanese Knotweed (AJK)  has extensive experience working with commercial and industrial property developers, high street banks, public authorities and industrial fund owners.

See a selection of our case studies below.

High Street Bank

Banking 1

Sector: Development 

Key Services: Site Survey; Management Plan; Cost Risk Review


  • Carried out Japanese Knotweed surveys at a site with a medium term ambition of undertaking a residential development.
  • Provided a Management Plan for reducing the spread of Japanese Knotweed at the site and reducing the off-site contamination of neighbouring properties. 
  • Provided an overview report on the required remediation at the site to facilitate development. This detailed the associated costs to be included in the scheme’s overall budget.


  • Client managed their short term liability, minimised the risk and removal works were carried out within available budgets.
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Asset Management (Large Commercial Industrial Fund)

comm ind 2

Sector: Commercial Industrial sector

Key Services: Site Survey; Management Plan; Tenancy Agreement


  • Carried out Japanese Knotweed surveys across the land portfolio of a large commercial industrial fund on existing property and property to be acquired.
  • Produced a bespoke Management Plan to understand the objectives for each site eg. maximising land value prior to divestment/ minimising operational costs for long term lease/ understanding risk prior to purchase.
  • Advised on how the Management Plan could be integrated with the tenancy agreement to reduce costs on the landowner.


  • Client’s objectives were understood and integrated into the Management Plan so that cost exposure was limited as far as practicable.
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