👉 Non-appellability, also known as appealability, is a legal concept that refers to the principle of not allowing an appeal or review of a decision made by a court. In other words, if a court's decision is upheld without any appeal, it is considered non-appellable. The term "non-appellability" was introduced in England and Wales in 1957 as part of the Legal Practice Act 1957. It aims to protect judges from being influenced