Japanese knotweed is a problematic and highly disruptive plant that can cause structural damage, disruption to infrastructure and pose serious health and safety risks to humans and wildlife. The cost of removing this plant can vary depending on the extent of the infestation and the chosen method for removal. It is important to consult with a professional PCA surveyor for an accurate estimate of costs, and a comprehensive management plan that will ensure full and guaranteed eradication.
Several factors can influence the cost of removing japanese knotweed, including location, treatment method and site accessibility. The size of the affected area will also play a role in the final cost, with larger areas often costing more than smaller ones. Other contributing factors can include the type of soil, if there are any underground obstructions like pipes, and the complexity of the project.
Calculating the Cost of Removing Japanese Knotweed: Budgeting for Eradication
A herbicide treatment is the quickest and cheapest way to remove Japanese knotweed, but it is not a permanent solution and will need repeat treatments throughout the year. As a result, it is not recommended for sites where development work is planned.
A more permanent solution is excavating and burial of the knotweed. This option is more expensive than herbicide treatment, and the price will increase as the excavation becomes more extensive. This process is known as onsite burial, and it is typically reserved for large-scale projects such as phased developments. As excavation is classed as ‘controlled waste,’ it must be removed to licensed landfill sites which adds to the cost of this option.
