With the latest update you can now build your own houses. There are 6 different elements available (more will follow).

New

• Now, it's possible to build your own houses. There are 6 different elements: Foundation, wall, door frame, door, ceiling and stairs.
  

Changed

• The crafting window has been improved and new categories added.
  
• Charcoal Kiln now requires trunks instead of branches.
  

Modding

• Items, structures, and house parts are now defined in the products.lua file.
  

Hint

• You can rotate house parts while placing with [mouse wheel].
  
• You can rotate built house parts with [T].
  
• You can remove house parts by holding down [T].
  
• If you tear down house parts, you will get back 65% of the materials (rounded up).