Here is the full list of all 12 Home Improvisation achievements.
Complete the Shatter challenge level.
Build all furniture pieces.
Play every note on the piano.
Unlock all tools.
Unlock all rooms in the house.
Use the mallet to break something.
Build all furniture in a room.
Turn the lights all the way down.
Shatter the vase.
Complete all challenge levels.
Complete the Speed challenge level.
Complete the Height challenge level.