Have you seen the new heatmap that highlights Japanese knotweed sightings across the UK? It’s designed to inform homeowners and homebuyers of the local Japanese knotweed presence, but it can also be useful for property professionals. Users can search by entering a postcode and the map will confirm how many 'reported' occurrences are within 4km of the area. There is also a function for you to add a sighting of Japanese knotweed. Click here to read more from Environet.