Japanese Knotweed | Knowledge Centre

Legal & Compliance

What the law says about Japanese knotweed — Schedule 9, controlled waste obligations and neighbour disputes.

Development Sites

What property developers need to know about Japanese knotweed — surveys, planning conditions and managing programmes.

Property Sales & Mortgages

How Japanese knotweed is categorised by proximity to structures and what each category means.

Identification

Identifying Japanese knotweed in winter when the plant has died back.

Property Sales & Mortgages

Practical steps for buyers and sellers when Japanese knotweed is identified in a pre-purchase survey.

Professional survey, treatment and removal of Japanese knotweed from residential and commercial properties across the UK.

How to identify Japanese knotweed — signs to look for at different times of year.

Site surveys with written findings and management plans for property transactions and development sites.

Herbicide treatment programmes for Japanese knotweed — the most cost-effective management method.

Excavation and removal of Japanese knotweed for development sites and where rapid clearance is required.

Plant Species: Japanese Knotweed