Might be in Poland. Photographer thought that it was a semi-detached being built in sections. Of course we could be having our--my--legs pulled.
(I was looking for information about jellyfish in the Baltic when I found this found the jellyfish too!)
(http://photos23.flickr.com/34284017_ed9132b927_m.jpg)
(here's the rest of the site, the jellyfish are a page or two back:
http://flickr.com/photos/szczur/page3/ )
Looks like 1/2 a duplex. Just slide a mirror image up on the left hand side.
I think, from reading British mystery stories, that that's what semi-detached means.
Ummmm.. It looks like a divorce settlement stating that he gets to keep half of the house! ;D
It looks a lot like rwalters design.
(http://tinypic.com/bev7ly)