'attic door' is correct and usable in written English.
It is typically used in the context of a house or dwelling to refer to the door leading to an attic space. For example: "I had to climb a ladder to get to the attic door."
Maybe it was the key to the attic door.
I wish I could show you the notes that he puts on my attic door.
During Garbage Week last year she saw another neighbor's old attic door at the curb.
Some furtive noise from behind the closed attic door, a small scratching or rustling, made her hesitate outside it.
There was no dissuading him, however, and at a quarter past ten he closed the attic door behind him and went up the narrow twisting stairs.
Father, farthest away and soundest sleeper of all, had by this time been awakened by the battering on the attic door.
Keep attic doors and fold-down stairs closed during winter months.
The Attic doors are made of the same proportion as the Doric, except that, in the dressings, the fasciæ return within the cymatium; and these are proportioned so, that exclusive of the cymatium, they are to be two sevenths.
Cupboard doors, bedroom doors, attic doors (I know it's kind of Discovery Channel that we literally have bats in our belfry, but leaving that door open is an invite to a nightmare I am not equipped to handle).
Just when you think you'll arrive in a cobwebby attic, a door opens to reveal a luxurious suite with a cozy bedroom, full bath and kitchen, all smartly furnished with antiques and with the same amazing view we had from the Cottage.
As I grew older, I moved to the third floor for privacy, across from the attic's door, and once or twice a month I would wake to the fa-fa-fa-fa-fa of frantic wings and I would belly-crawl to the hallway across my carpet.
