Last updated: March 2026
Author: Rob Lambert
Editor at Arbtech, Rob is a content specialist who manages our ecology and arboriculture services copy to ensure it is accurate, up to date, and insightful for current and future clients.
If you’ve had a problematic species audit or are aware of invasive non-native species on your site, the next step would be to get a problematic species management plan.
Ensure your development stays on track with a professional problematic species management plan.
If you’ve identified invasive plants like Japanese knotweed or Giant hogweed on your site, we provide the long-term strategy you need to control, contain or eradicate them.
Our experts create actionable plans that align with Environment Agency guidance, helping you satisfy local planning authorities and avoid costly project delays. We cover the entire UK and offer a money-back guarantee on planning permission based on our advice.
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Whenever certain species of plants and animals are present on a development site, it can cause any number of problems for the planning project. Not only is it possible for the proposed plans to harm potentially rare or valuable ecological features but specific plants that are listed as invasive species can negatively impact the natural environment, infrastructure and even human health.
Either as the result of known invasive plants in the local vicinity or following a previous problematic species audit undertaken on the site, it would be advisable for developers to arrange for one of our team to create a problematic species management plan. In doing that, a strategy can be put in place to control, contain and mitigate the impact of the invasive non-native species.
Otherwise recognised as an invasive species management plan, a problematic species management plan is a long-term strategy that sets out how pest plant species will be sufficiently controlled, mitigated and possibly even eradicated. The creation of management plans comes after a problematic species audit, using the data to set clear priorities, identify the main objectives and formalise actionable steps.
As a result of the species of invasive plants, potential measures could include herbicide treatment across affected areas, excavation of contaminated soils, marking out contaminated areas and ensuring they are avoided during the development process, the disposal of the plant itself at a licensed landfill site, and/or paying further visits to the site to monitor the future situation of present invasive species.
Invasive non-native plant species include:
A selection of different tasks and concerns may be integrated within a problematic species management plan, such as:
As soon as an invasive plant species such as giant hogweed, Himalayan balsam or Japanese knotweed is found on a development site, the natural next step would be to have a problematic species management plan created. Inside of it, an ecological consultant can outline the potentially small or large number of invasive plants and include full details of how the infestation will be controlled, isolated and – ideally – eradicated completely.
The plans put together by our team use the latest standing guidance from the Environment Agency (EA) and ensure that the proposed steps will be compliant with legislative and policy requirements. Referring to Arbtech for a problematic species management plan whenever one is needed couldn’t be any more imperative, as it could be a requirement from the local planning authority when it comes to applying for planning permission.
While non-invasive native plants aren’t a threat to a development site, invasive non-native plants are, and ignoring the problem won’t make it go away. Instead, the recommended step forward would be to book an invasive species management plan if you are aware of pest species on the site or book an invasive species audit if you need confirmation. Approaching invasive non-native plant species in this way will minimise the likelihood of costs and delays later in the process and bypass any issues with obtaining planning permission from the local council.
One of the many aspects that makes Arbtech special is that we offer a free quote to clients beforehand, giving them a chance to weigh up whether or not they want to move forward with us. You can do this too by emailing us, calling us or looking over our communication options on our contact page. An administrator will then be able to talk you through the process, and if you’re happy with everything, we can schedule a time to undertake the necessary assessments. From there, if you need any other surveys, our team can remain with you throughout the process.

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