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The Japanese Knotweed Agency offers a cost-effective Onsite Japanese Knotweed Survey, designed to identify infestations early and provide a clear plan for treatment and eradication. Our survey service is trusted by homeowners, buyers, sellers, solicitors, councils, and landowners across the UK and Ireland.
WHATS INCLUDED IN THE SURVEY
A full property inspection for signs of Japanese knotweed
- A visual assessment of neighbouring properties where accessible
- Survey of the wider local area for knotweed-related risks
- Cross-checking findings with our Japanese Knotweed National Register
- A comprehensive Japanese Knotweed Report if any risks are identified
- A tailored Japanese Knotweed Management Plan (JKMP) on request
- A detailed quotation for our non-chemical thermo-electric eradication service
- Options for Excavation, Root Barrier installation, or hybrid mix to reduce costs.
- Optional 5 or 10-year guarantee on all works
- Photographs, mapping and documentation of any findings
- Noting of property damage or encroachment issues, if observed
- Access to your electronic Client Folder in our state of the art bespoke software
For properties over 0.20 acre, an additional survey fee may apply — please enquire. Additional charges may apply for Scotland, the Isle of Man, or the Isle of Wight — contact us for exact pricing.
WHY EARLY DETECTION AND A PROFESSIONAL SURVEY MATTER
Early detection of Japanese Knotweed is essential. The sooner treatment begins, the more manageable—and cost-effective—the removal process will be. Delays in identification or action can result in significantly higher remediation costs.
Japanese Knotweed can pose serious complications for property owners, particularly during sales or purchases. Properties affected by this invasive species often encounter obstacles in securing mortgage approval. A formal Japanese Knotweed Management Plan (JKMP) is often required by lenders and may be necessary to meet legal and financial obligations.
For those considering the purchase of land or a development site, a Japanese Knotweed survey is a crucial safeguard. If an infestation is identified, the anticipated costs of treatment and remediation should be factored into the overall purchase negotiations.
As a perennial herbaceous plant, Japanese Knotweed typically grows between March and October, making this the prime period for identifying visible signs of infestation.
Every site is different. A comprehensive survey is essential to determine the most appropriate and effective treatment method. Treatment plans are always tailored to the specific characteristics of each location, taking into account factors such as site conditions, available space, timelines, and neighbouring properties.
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FREQUENTLY ASKED QUESTIONS
A Japanese Knotweed survey is a professional inspection of your property and surrounding land to identify the presence of Japanese Knotweed, assess the risk it poses, and provide a management or eradication plan. If you’re in Greater Manchester or across the UK, our surveys are designed to meet both local and national requirements.
Mortgage lenders, buyers, and insurers often require a survey if Japanese Knotweed is suspected. A survey ensures accurate identification, provides peace of mind, and helps protect your property value. Booking a Japanese Knotweed survey in Manchester or elsewhere in the UK can be the difference between a smooth property sale and delays.
The cost varies depending on property size and location. At Japanese Knotweed Agency, our surveys are competitively priced and include a detailed report with photographs, mapping, and recommendations. If you’re searching for a Japanese Knotweed survey in Manchester or anywhere in the UK, contact us for a tailored quote.
We can usually arrange a survey within a few days. In urgent cases, such as pending property sales, we offer priority appointments. If you’re in Manchester, Liverpool, Leeds, or surrounding areas, we have local surveyors ready to act quickly.
Your report will include identification of any Japanese Knotweed, photographs, a risk assessment, site map, and a tailored management or eradication plan. Where relevant, we also reference the Japanese Knotweed National Register to record infestations and support long-term monitoring.
Yes. Japanese Knotweed Agency operates across the UK and Ireland with local surveyors who understand regional conditions and lender requirements. Whether you need a Japanese Knotweed survey in Manchester or anywhere else in the UK, we can help.
Yes. If Knotweed is present, the report will outline the scale of the infestation, estimated age, risks to your property, and suitable treatment options — including our chemical-free thermo-electric eradication method, which is increasingly popular with homeowners and landowners.
If no Knotweed is present, we issue a confirmation report that you can use for reassurance, property sales, or mortgage applications. This “clean bill of health” is particularly useful if you’re listed on the Japanese Knotweed National Register and want formal documentation showing your property is clear.
Yes. Our surveys are recognised by lenders, buyers, and solicitors. We also provide treatment plans and insurance-backed guarantees where required. If you are selling or buying a property in Manchester or the North West, or anywhere in the UK, our reports are fully accepted.
Booking is simple — complete our online form above or call us freephone 03335 777 888. A member of our team will confirm your appointment and guide you through the process. If you’re searching for a trusted Japanese Knotweed survey in Manchester, or anywhere across the UK, we’re your experts.
Yes, we always wherever possible like to see a suspect weed first before moving to an onsite formal survey. You can send us a few pictures of the suspect weed on our FREE IDENTIFICATION PAGE and let our expert surveyors check and take the matter from there.
Unable to find a question or answer? Check out our Help Center or call us FREEPHONE on 03335 777 888