Here lived John Loudon and Jane Loudon 1783-1843 and 1807-1858. Their horticultural work gave new beauty to London squares

Spudgun67 on Wikimedia Commons
Spudgun67 on Wikimedia Commons
Simon Harriyott on Flickr
Simon Harriyott on Flickr
Spudgun67 on Flickr
Spudgun67 on Flickr

3 Porchester Terrace, Westminster, W2, London
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by London County Council in 1953

Colour: blue

Wikimedia:

Flickr:

See also...
Elliott Brown on Flickr