Since 2013, the seller is required to state whether Japanese knotweed (Fallopia japonica) is present on their property through a TA6 form - the property information form used for conveyancing. Your ...
Top of the pile in Cheshire is Warrington, where 284 incidences of Japanese knotweed were reported to Environet. Warrington is closely followed by St Helens (242), with Widnes coming in third (121).