Chancellor of the Duchy of Lancaster January 2018. The previous holder of the post was Patrick McLoughlin who was given the post following Theresa May's appointment as Prime Minister. Before this the holder of the post was Oliver Letwin, who was appointed in July 2014 when he was also Minister for Government Policy (2010–2015); following the 2015 general election, he was also given overall responsibility for the Cabinet Office and made a full member of the Cabinet. Chancellor of the Duchy of Lancaster The Chancellor of the Duchy of Lancaster is a ministerial office in the Government of the United Kingdom that includes as part of
Council of Civil Service Unions v Minister for the Civil Service Minister for the Civil Service. Lord Diplock said the following: Lord Roskill said the following. The courts have traditionally been unwilling to subject prerogative powers to judicial review. Judges were only willing to state whether powers existed or not, not whether they had been used appropriately. They therefore applied only the first of the Wednesbury tests; whether the use was illegal. Constitutional scholars such as William Blackstone would have considered this appropriate. The GCHQ case, therefore, was highly important; it held that the application of judicial review would be dependent on the nature of the government's powers, not their source.