Fit perfectly in my daughters new room, stairs and all. Took about 9 hrs to build. A piece of the stairs wood split but luckily that’s in the back corner. We recommend not to drill in about 3 of natural wood pieces toward the right, the side closest to the stairs because you will need to take them back off to screw the stairs on. Over all very pleased with the bed and how sturdy it is. I just climbed in there with my 70lb child and it was fine.