While it hasn’t yet had the devastating effect that it has had in Denmark, ash die back has continued to spread since 2012, with the South-East and North-West of the UK being particularly affected. This is clear from the latest data published by the Forestry Commission in January 2015.
If you have any concerns about this or any other disease affecting your trees, you can contact the Thomson Ecology arboricultural team who can give you details on tree surveys, and pest and disease identification.