In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Bush Hill like this:
BUSH-HILL, a village in the north of Middlesex; on the New River, 1½ mile S of Enfield. It has a post office under Edmonton, London, N. Bush-Hill Park, adjacent to it, belonged to the Mellishes and the Sambrokes; has grounds laid out by Le Notre; and contains some of Gibbon's carvings.
Additional information about this locality is available for Enfield
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Bush Hill has changed, please see our redistricted information for the modern district of Enfield. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Bush Hill and units named after it.
GB Historical GIS / University of Portsmouth, History of Bush Hill, in Enfield and Middlesex | Map and description, A Vision of Britain through Time.
Date accessed: 29th August 2015
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Bush Hill".