garden apartment

Etymology
So called since this form of housing is usually a cottage built in a home's back yard garden area.

Noun

 * 1) A detached mother-in-law apartment or cottage on the same parcel as the main house.
 * 2) One of a set of low-rise apartment buildings built among landscaped grounds and often arranged around courtyards that are open at one end.
 * a garden apartment complex
 * 1) An urban apartment in a multistory building located at or below ground level.