Firefighters spent more than seven hours tackling a large fire at a four-storey building in north Kent.
Kent Fire and Rescue Service were called to the property in Railway Street, Chatham, at about 0440 GMT on Wednesday.
Firefighters extinguished the blaze, which started in the roof above empty flats, at about 1140 GMT.
Fire crews said no-one was injured. An investigation is expected to be carried out into the cause.