18 St John Street Chambers' Christopher McNall is one of a few non-London specialists in disputes about agricultural tenancies, the taxation of farms and land, and proprietary estoppel and Inheritance Act claims relating to farms. McNall is the Principal Judge of the Agricultural Land Tribunal for Wales, and holds judicial posts in the County Court and the Tax Tribunal. Recent cases of note include Charnley (exor of Gill) v HMRC, Earl of Plymouth v Rees, and Omagh Minerals Ltd v HMRC.