[berryg]

In The Netherlands 'kaswoningen' (Greenhouse Houses) have been build in 2002, 2005 and 2009 in the city of Culemborg. See: http://www.eva-lanxmeer.nl/over/nu/woningbouwprojecten/kaswo... (in Dutch)

[dustfinger]

This is my favorite one, built by the Hjertefølgers family in the Artic Circle:

https://www.treehugger.com/green-architecture/family-cob-hou...

[qw]

The article mentions that a Swedish architect also built one in 1974: http://bengtwarne.malwa.nu/natureH.html