The Supreme Court has handed down judgment in the case of Davies v Bridgend County Borough Council [2023] UKSC 16. They have overturned the decision of the Court of Appeal, and have found that where Japanese knotweed spread to the claimant’s land before breach of duty, the defendant is not responsible for the cost of treating knotweed on the claimant’s land or the residual diminution in value after treatment. Matthew White, Head of Chambers, represented the defendant in the Supreme Court and has recorded this short podcast which explains the outcome of the case.