This Practice Note will set out whether and when it is possible to lodge an immigration or asylum appeal and a judicial review claim against the same or a closely related decision. In order to answer this question, the distinct nature of the two jurisdictions is examined.There are a number of circumstances where a person may lodge a simultaneous appeal and judicial review, including:•challenging different aspects of the same Home Office decision, including an appeal to an individual Home Office decision alongside a judicial review of an underlying policy•where the judicial review is issued protectively pending clarification of appeal jurisdiction•an appeal against the principle decision and a judicial review of a separate but related Home Office decision, such as a refusal to suspend removal enforcement, or•where the judicial review is of an interlocutory or procedural decision, such as a refusal to consent to a new matter, in which case the judicial review challenge may be against