George Borrow 1803-1881 author lived here

Gwynhafyr on Flickr
Spudgun67 on Flickr
This is an approximate position

22 Hereford Square, Kensington and Chelsea, London
[geolocate this address]
Google Streetview

by London County Council in 1911

Colour: blue

Wikimedia:

Flickr:

See also...