Japanese Knotweed Control in Hampshire
At Knotweed Specialists UK, we offer professional Japanese knotweed removal in Hampshire and surrounding areas. With our core base in Cosham, Portsmouth, we quickly deploy expert teams to major hotspots across the wider Hampshire region such as Southampton, Fareham, Havant and surrounding areas.
Hampshire is one of the UK’s primary Japanese knotweed hotspots due to being a high-density area, meaning efficient Japanese knotweed control is of the utmost importance. As Hampshire’s leading Japanese knotweed removal company, we are experts in identifying, controlling, and treating infestations across residential properties and commercial developments.
Hampshire County Council enforces strict rules for managing invasive species. We are fully licensed in recognising and safely transferring contaminated material. Our services provide total coverage for the surrounding neighbourhoods, including:
- Portsmouth, Southampton, and Winchester
- Fareham, Gosport, and Waterlooville
- Havant, Basingstoke, and Eastleigh
For Japanese knotweed removal in Hampshire, contact our team at Knotweed Specialists on 023 8251 2752.
Why choose us?
We are experts in our field
Knotweed Specialists UK expertly treat Japanese knotweed, we identify it and we control it. We do not provide a host of gardening services, we are not ‘a jack of all trades’ business, we specialise in what we are the best at – managing Knotweed solutions.
We offer a bespoke and personal service
Being a smaller company enables us to know all our customers individually and provide them a bespoke approach to their problems. The management team are involved at every stage of your customer experience, so a professional experience is guaranteed.
We are competitively priced
We pride ourselves on providing all our customers with a sustainable Knotweed solution at an exceptionally competitive price, with the addition of a site survey.
Japanese Knotweed Eradication Methods in Hampshire
Before choosing a management plan, compare our primary structural treatment options tailored for Hampshire residential gardens and commercial developments.
| Treatment Method | Best For | Typical Timescale | Key Advantage |
|---|---|---|---|
| Herbicide Stem Injection | Residential gardens, tight boundaries, preserving nearby foliage. | 2–3 growing seasons | Minimal ground disruption & highly targeted. |
| Excavation & Off-Site Disposal | Construction sites, instant property sales, development plots. | 1–3 days | Immediate eradication of the root system (rhizomes). |
Our Core Removal Processes
- Stem Injection: We inject a high-strength glyphosate herbicide directly into the lowest node of each mature knotweed cane. This draws the treatment down into the rhizome system to kill the plant from the root up.
- Excavation: Utilises mechanical diggers to track and remove every trace of contaminated soil and rhizomes, which is then legally transferred to a licensed Hampshire landfill facility.
Frequently asked questions
Do I need to report Japanese knotweed to Hampshire County Council?
No, you are not legally required to report Japanese Knotweed on your own private property to Hampshire County Council. However, under the Wildlife and Countryside Act 1981, it is an offense to cause the plant to grow in the wild. If you allow knotweed to spread from your boundaries into neighboring land or public council spaces, you could face legal action or a Community Protection Notice (CPN).
Does Hampshire County Council remove Japanese knotweed?
Hampshire County Council is not obliged to remove Japanese knotweed from private properties, as it is the responsibility of the property owner to deal with the issue. However, if the Japanese knotweed is growing on public land or land owned by Hampshire Council, then it is the council’s responsibility to take action and remove it.
What are the rules for disposing of Japanese knotweed in Hampshire?
Japanese Knotweed is classified as “controlled waste” under the Environmental Protection Act 1990. You cannot put it in domestic waste bins, garden waste bags, or take it to local Hampshire Household Waste Recycling Centres (HWRCs). It must be transported by a registered waste carrier and disposed of at a specifically licensed hazardous waste landfill.
Can I get a mortgage on a house with knotweed in Hampshire?
Some mortgage lenders will refuse lending on properties with the plant unless a professional management plan is in place. We provide RICS-compliant surveys and 5-to-10-year Insurance-Backed Guarantees (IBGs) that satisfy all major UK mortgage lenders, ensuring your property purchase or sale in Hampshire can proceed smoothly.
How much does Japanese knotweed removal cost in Hampshire?
The cost of knotweed treatment in Hampshire starts from around £1,500 for a multi-year herbicide management plan and can scale upwards for full excavation. Final pricing depends entirely on the size of the infestation, proximity to property foundations, and your choice between chemical control or immediate physical excavation. All our treatments include an insurance-backed guarantee required by mortgage lenders.
