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Written question asked by Alex Brewer (Liberal Democrat) on Thursday, 26 March 2026, in the House of Commons. It was due for an answer on Monday, 13 April 2026. It was answered by Mary Creagh (Labour) on Monday, 13 April 2026 on behalf of the Department for Environment, Food and Rural Affairs.


Japanese Knotweed: Weed Control

Question

To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment her Department has made of the potential merits of providing financial support to homeowners for the treatment or removal of Japanese knotweed; and what consideration her Department has given to the environmental impact of this species.

Answer

The treatment or removal of Japanese knotweed is the responsibility of the homeowner and Defra has no plans to offer financial support.

Defra has not reviewed its current guidance, as no new evidence has emerged that would make a further review necessary. Existing guidance on preventing spread and treatment — most recently updated in February 2026 — remains in place.


Secondary information

Type
Written question
Reference
124415
Session
2024-26
Grouped for answer
Yes
Subjects
Finance Weed control Japanese knotweed
Link
View this Written question on www.parliament.uk