Source:
http://www.gameinformer.com/b/news/archive/2012/10/04/skyrim-dlc-hearthfire-launches-on-pc.aspx
PC players can now build their own homes in The Elder Scrolls V: Skyrim with the release of Hearthfire on Steam. The content costs $4.99. Hearthfire released on Xbox Live early last month.
Bethesda was unable to provide an update on the release of Skyrim download content for PlayStation 3.
For a breakdown on what's good and bad about Hearthfire:
https://www.gameinformer.com/b/features/archive/2012/09/05/the-good-and-bad-of-skyrim-39-s-hearthfire-dlc.aspx