it is substantially unfurnished (exempt for up to six months)
it requires or is undergoing major repairs to make it habitable or it is undergoing structural alterations and it is substantially unfurnished (exempt for up to 12 months)
it is owned by a charity (exempt for up to six months)
the previous occupier now lives in a nursing home, care home or hospital
the previous occupier has moved to give or receive personal care
the previous occupier is in detention
it has been repossessed under a mortgage
it is prevented in law from being occupied
it is the responsibility of a trustee in bankruptcy
it is awaiting occupation by a minister of religion
the previous occupier is deceased (exempt for up to six months after probate is granted)
it cannot be let separately from a main dwelling (e.g. granny flats)
all the residents are students
all the residents are severely mentally impaired
all the residents are under 18 years old
it is an annexe that is occupied by an elderly or disabled relative of the occupier of the main dwelling