He is ranked as a leading practitioner by Chambers & Partners, the Legal 500 and by ‘Planning’ magazine. Ashley has experience of acting for developers and planning authorities at public inquiries, and has acted for both claimants and defendants at all stages of planning litigation, including to the Supreme Court. He was shortlisted by Chambers & Partners as Environment/Planning Junior of the Year 2018 and is a member of the Attorney General’s C Panel of Junior Counsel to the Crown, in which capacity he represents the UK Government in his areas of specialism. Ashley is also the General Editor of Sweet & Maxwell’s Journal of Planning & Environment Law and the author of Oxford University Press’ A Practical Approach to Planning Law, as well as a contributor to Butterworths’ Planning Law Service and to the Routledge Handbook of Comparative Planning Law. In 2019, Ashley was co-opted to the Planning & Environment Bar Association Committee.