http://www.cocolapalm.com/images/contentImages/standard_room_floorStandard.gif

Furniture templates:
Metric - https://www.draftingsupplies.com/rapidesignus/r-714.jpg
Imperial 1 - http://doit101.com/Home%20Improvement/furniture1.jpg
Imperial 2 - http://www.simplerpleasures.com/images/furn165.gif

Now, let's talk . . .