In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Herongate like this:
HERONGATE, a hamlet in East Horndon and Ingrave parishes, Essex; 3½ miles SE of Brentwood. It has a post office under Brentwood. Two barns are here, remains of Heron Hall, the seat of the Tyrrells, taken down in 1790.
Additional information about this locality is available for East Horndon
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 Herongate has changed, please see our redistricted information for the modern district of Brentwood. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Herongate and units named after it.
GB Historical GIS / University of Portsmouth, History of Herongate, in Brentwood and Essex | Map and description, A Vision of Britain through Time.
Date accessed: 10th December 2013
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