Try Secretary of State for the Home Department v. JJ, KK, GG, HH, NN, and LL (2006), although this may be the appeal decision. Source: John Finn, Counterterrorism Regimes and the Rule of Law in Martha Crenshaw, The Consequences of Counterterrorism, p. 66.
The House of Lords handed down three judgments relating to control orders imposed on terrorism suspects on the basis of the Prevention of Terrorism Act 2005 - Secretary of State for the Home Department v JJ [2007] UKHL 45; [2007] 3 W.L.R. 642; Secretary of State for the Home Department v MB and AF [2007] UKHL 46; [2007] 3 W.L.R. 681; Secretary of State for the Home Department v E [2007] UKHL 47; [2007] 3 W.L.R. 720.
They held that restrictions imposed by one of the control orders, including an 18 hour curfew, amounted to a deprivation of liberty but restrictions under other orders, including up to 14 hour curfews, did not.