I spied these on good old Tumblr though and it all came back to me. I think what made the buildings stick in my mind so much are the huge windows dotted along the front of the building.
Some more investigation shows that the building was designed by Frederick Wheeler (1853–1931) and was financed by James Gunter (an English confectioner, market gardener and property developer) who wanted `specially designed to suit the requirements of bachelor artists and with accommodation for a housekeeper on the lower floor' (info stolen from Wiki)
The buildings are situated close to Baron's Court station, should you want to go have a look for yourself.
|image from here|