factory-built structure

noun
UK /ˈfæk.tər.i bɪlt ˈstrʌk.tʃər/
US /ˈfæk.tɚ.i bɪlt ˈstrʌk.tʃɚ/

A building made in a factory and then put together where it is needed.

The school added a factory-built structure to use as a new classroom.


OTHER MEANINGS

2. A small building such as a shed or cabin that is assembled from factory-made parts.

They bought a factory-built structure to store their garden tools.

3. A temporary office or classroom unit constructed off-site and delivered ready to use.

The company set up a factory-built structure as a site office.

4. A structure assembled from standardized sections produced in a manufacturing plant.

The warehouse was a factory-built structure erected in just two weeks.