Selling a House with Japanese Knotweed
Yes, you can sell a property with Japanese Knotweed — but there are legal requirements and practical steps you must follow.
Legal Disclosure Requirement
You are legally required to disclose Japanese Knotweed on the TA6 Property Information Form. Failure to disclose can result in the buyer suing you for misrepresentation, even years after the sale.
Steps to Sell Successfully
Get a Professional Survey
Commission a RICS-compliant knotweed survey to document the extent of the infestation and provide a formal report.
Start Treatment
Begin professional treatment immediately. Having treatment underway shows buyers you're addressing the issue.
Obtain Insurance-Backed Guarantee
A 10-year IBG is essential for mortgage lenders and buyer confidence. It transfers to the new owner.
Prepare Documentation Pack
Compile survey reports, treatment records, guarantees, and specialist contact details for conveyancing.
Disclose on TA6 Form
Answer 'Yes' to the knotweed question and attach all supporting documentation.
What Buyers Need
- Professional survey report
- Treatment plan documentation
- Insurance-backed guarantee
- Evidence treatment has started
- Specialist contact details
- Ongoing treatment schedule
Next steps with Isle of Wight knotweed specialists
Explore the services most Isle of Wight homeowners, buyers and landlords go to next:
- free Japanese Knotweed quote for your Isle of Wight property, with a local specialist response within 24 hours.
- Japanese Knotweed survey Isle of Wight — RICS-compliant identification, management and mortgage reports booked within 48 hours.
- Japanese Knotweed removal Isle of Wight using herbicide, excavation or combined methods with a 10-year insurance-backed guarantee.
- Japanese Knotweed treatment cost Isle of Wight — honest 2026 pricing for every treatment option, with no hidden fees.
- Japanese Knotweed removal cost calculator for an instant estimate tailored to your infestation size and access.
- 10-year insurance-backed knotweed guarantee — transferable to new owners and accepted by every major UK mortgage lender.