Case No. UKUT-00338-(IAC)

 [2009] UKSC 8; [2009] 1 WLR 2557, the Supreme Court held that whether a person is a child is a question of precedent or jurisdictional fact to be determined by the courts: per Lady Hale at [32], with whom Lords Scott, Walker and Neuberger agreed, and Lord Hope at [51].45.There is a good deal of learning on the way in which that task is to be performed by the Administrative Court and, more recently, by the Upper Tribunal. A comprehensive review of the authorities is unnecessary for present purposes. It suffices to mention