In R ( Langton ) v SoS for DEFRA ( 2018 ) EWHC 2190 ( Admin ) Sir Ross Cranston restated principles in relation to consultation as follows.
Para 104 : there is a “ high threshold” of being “ clearly and radically wrong “ so as to render a consultation procedurally unfair and thus unlawful.
Para 105 : a consultation has to be considered in its statutory context.
Para 106 : once a consultation is launched it must be carried out fairly, but the statutory context is relevant when considering the performance of the consultation duty, the specific matters on which to consult, and the basis upon which the consultation should proceed.
Para 109 : only in exceptional cases and special circumstances is reference required to “ discarded alternatives”.
Para 115: as to how consultation responses are addressed, for unlawfulness the claimant must establish that a matter was such that no reasonable decision maker would have failed in the circumstances to take into account as a relevant consideration. Read more »