Duchy of Lancaster Act 1817The Duchy of Lancaster Act 1817 is an act of the Parliament of the United Kingdom.Subsequent developmentsThe whole act was repealed, excepting so far as any powers, provisions, matters or things related to or affected the Duchy of Lancaster or any of the hereditaments, possessions or property within the ordering and survey of the Duchy of Lancaster, by section 1 of the Crown Lands Act 1829.