Since November 2011 there have been a number of findings of Cryphonectria parasitica in the UK. It was first observed in sweet chestnut orchards in Warwickshire (confirmed 2011) and East Sussex (confirmed 2012), with (as of 16th April 2013) further confirmed findings at 1 nursery and 7 private residences. A risk assessment has been requested to help inform decisions on possible further strengthening of the Protected Zone requirements.