Selling a House with Japanese Knotweed
Japanese knotweed can affect a property sale, but its presence does not automatically make every property unmortgageable. Get a qualified assessment and disclose the position accurately.
Published by Lucennio Property Limited · Updated 2026-10-13. General information, not individual professional advice.
Discuss my propertyAssessment and mortgageability
RICS guidance uses a structured assessment of the infestation and its effects. A lender’s requirements depend on its policy and the valuer’s findings. Do not assume either automatic rejection or unrestricted lending.
Treatment information
Collect specialist reports, treatment records, management plans and any warranty terms. Ask advisers what further evidence a buyer may require. A treatment plan or guarantee has conditions; it is not proof that no future work will be needed.
Selling options
Compare specialist marketing, treatment followed by sale and any investor offer. A buyer may allow for management costs and risk and still require surveys and legal checks. Lucennio can discuss a possible introduction without guaranteeing a buyer.
Frequently asked questions
Further information
We are a property sourcing and introductions service. We connect sellers with property investors. Offers may be below open market value. Timescales depend on the legal process and property specifics.