Answer:

PREFAB

Answer	Crossword Clue
PREFAB	Built in advance
PREFAB	Like some homes
PREFAB	Like some school additions

PREFAB	Home built in a day?
PREFAB	Assembly-ready
PREFAB	Easily built
PREFAB	Modular home
PREFAB	Assembly-ready, as a home
PREFAB	Made in sections, as a house
PREFAB	Ready-made home
PREFAB	Assembly-ready, in a way

PREFAB	Ready-made
PREFAB	Easy to erect
PREFAB	All ready for final assembly
PREFAB	Ready for final assembly
PREFAB	Factory-made, as housing
PREFAB	Like some homes, for short
PREFAB	Like some doghouses, for short
PREFAB	Factory-built home

PREFAB	Like most mobile homes
PREFAB	House that goes up quickly
PREFAB	Like manufactured housing
PREFAB	Quick to assemble, as a home
PREFAB	A home in a jiffy.
PREFAB	Assembly-line house.
PREFAB	Kind of house.
PREFAB	Easily erected building.

PREFAB	Housing unit.
PREFAB	Modern home construction
PREFAB	Kind of dwelling
PREFAB	Ready-built
PREFAB	Like some houses, for short
PREFAB	Assembly-line house
PREFAB	Mass-produced house
PREFAB	Kind of building, for short

PREFAB	Type of house
PREFAB	Like some inexpensive homes
PREFAB	Kind of house
PREFAB	Kind of housing, for short
PREFAB	Like some suburban homes