The phrase "a separate dwelling" is correct and usable in written English.
It can be used to refer to an independent living space that is distinct from another residence.
Example: "The property includes a separate dwelling that can be rented out to guests or used for family members."
Alternatives: "an independent residence" or "a distinct living space."
A separate dwelling is advertised as a potential studio.
He said he would not lease the apartment as a separate dwelling again.
Within this group each nuclear family or each wife and her children, if two or more women shared a husband occupied a separate dwelling.
By this time Williams was estranged from his wife Margaret, yet she continued to live on the property in a separate dwelling.
By this time, Williams was estranged from his wife, Margaret, yet she continued to live on the property in a separate dwelling.
This split-level residence, shaded by eucalyptus and juniper trees, has a duck pond and a separate dwelling for the security detail.
Most commonly, it consists of two married adults, usually a man and a woman (almost always from different lineages and not related by blood) along with their offspring, usually living in a private and separate dwelling.
It was first offered as a single property and then as several, Bentworth Hall and its outbuildings being divided into a number of separate dwelling units, which is the arrangement today.
If the room you're renting is really a legally divided apartment (such as a mother-in-law's suite, or a carriage house) with its own plumbing, separate entrance, that has a legal permit to operate as separate dwelling, then you're safe, as this is not a room share, but a separate rental apartment.
Richard and Janet Woodward Welwyn Garden City One of the central strategies of Ebenezer Howard's "town-country garden city" was to spatially separate dwelling from workplace.
A longhouse is a terraced street of separate dwellings covered by one roof.
