TheImperfect wrote: »There are furnishing plans you can learn to craft pieces with that can be found in the zones the pieces relate to in chests and boxes or by thieving or you can buy them off the guild traders. You can also buy the furniture that people have crafted on the guild traders if you don't want to craft yourself.
This is a great site with the furnishings on
https://eso.mmo-fashion.com/furnishings/
Some of the achievement and home goods furniture vendors in the towns have useful pieces too.