An architect is the number one answer but they aren't the only ones. Other names are: Draftsman (or draftsperson), or Home Designer.
An architect designs houses and other building.
The correct spelling is "architect" (someone who designs houses and buildings).
servant
They are Graphic Designers.
an engineer
They are the costume designer.
A landlord.
A thief or a burglar.
what do you call are person that designs beds
A person who designs houses is often called an architect.
Design and colors is responsible for the beauty of houses. No body requires houses of a same design to other because everyone wants houses whose design are unique and different from other houses. That's why, houses and building constructs with different designs and colors.
like todays houses basically but the architecture/designs might be old