Mews house / mews flat (apartment)?
Located behind some of London’s most prestigious houses, mews were built to house the horses and servants of a bygone era. Converted into fashionable homes they offer character with location. Like all converted property, standards vary from the superb to the uninspired. The best properties of this genre are among the most sought after in London, expect to pay a premium. Usually arranged over one to three floors, rooms can sometimes be smaller than in other converted property.