The phrase "unfinished house" can be used in written English and is grammatically correct.
It can be used to describe a house that is not yet completed or that is still under construction. Example: "The new neighborhood is filled with unfinished houses, each waiting for its final touches before being ready for move-in."
His first unfinished house, which he began in 1987, stands next to the foundation of a second unfinished house, under construction because House No. 1 was turned over to the sawmill, an auto-repair shop and other speculative ventures.
A few miles out of Kraków, in the shadow of a small forest, stands a small, grey, unfinished house.
Raja, her husband Yasser and their seven children live in an unfinished house in the middle of nowhere.
I continued on foot to the top, where, in a cluster of tents and the concrete shell of an unfinished house, Nkunda had his field headquarters.
Remarkably, he married a woman of modest means and sold the unfinished house, then a brick shell, to one of the wealthiest men in Maryland, Edward Lloyd IV.
"Be satisfied with what you have," read an Arabic proverb scrawled on the doors of the unfinished house where they carried the five bodies.
They are housed in small apartments, garages, tents or unfinished houses, like Raja and Yasser.
LETTER FROM WARSAW, a city of ruins & unfinished houses, of gray skies, gray faces, & of shabbily dressed people.
Siu and I sat on folding chairs beside a line of drying laundry and gazed out over the unfinished houses.
There is unfinished housing, as well as hotels and office buildings, encased in scaffolds, on many central city streets.
From where she stood, she could see as far as the rough track that ran along the river, and, in the next field, the rows of unfinished houses.
