Mrs Patrick Campbell 1865-1940 Actress lived here

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

33 Kensington Square, London
Google Streetview

Colour: grey

Wikimedia:

Flickr:

See also...
Spudgun67 on Wikimedia Commons