under one roof
phrase1
Idiomatic at the same location
- And as a further part of such a system, it is claimed that the farm must be devoted to a specialty, or a few specialties, on the ground that it would be almost as fatal to success to admit mixed farming, as it would be to attempt the production of several kinds of manufactures under one roof and establishment.1888, The Popular Science Monthly, volume 33, page 34:
2
Idiomatic in one house, apartment, etc.