Petty France refers to several places in London and Westminster.
It usually refers to a street in the City of Westminster, London, "a considerable street between Tathill Street, E., and James Street, W "[1] The street was the original location in 1720 of the Westminster Public Infirmary. Among the buildings there is 102 Petty France, a building which houses the Ministry of Justice,
According to one source, Mackenzie Walcott's Memorials of Westminster, at one time "the name was changed to York Street from Frederick Duke of York, son of George II., who had made a temporary residence amongst them."[2].
The name is also used to refer to the area containing that street, the 7th Ward of Westminster.[3] Additionally, the name is used for a street in Billingsgate.[3]
The name is generally thought to refer to the settlement of Huguenot refugees in the area. [3]