Since he wouldn't be re-evaluated until a week later, he thought there was no need in acquiring the information.
A building could be seen in front of him, after minutes of walking, it wasn't exactly big nor was it exactly small, but was big enough to at least contain two to three people.
Ainz was unsure whether he had a roommate or not, but since the old lady did not specify he thought it was unlikely.
After confirming it was his residence, Ainz neared the plaque on his hand to the door where a small carving could be seen, and immediately a soft sound came from it, and the door opened.
From its insides, he could see there were two rooms, with one being his bedroom and the other being the bathroom.