Edwin Chadwick's house from 1854-69 was in Montague Villa (in red) at 5 Montague Road in Richmond  near London, just east of the River Thames (in blue). 

SourceSource: London and Windsor. in Reprint of the First Edition of the One-Inch Ordnance Survery of England and Wales, Sheet 71. First published Aug 1, 1822 by Major Colby Tower with features added until 1891. 
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