block of flats BrE
apartment block BrE
apartment building *
apartment house AmE

She can step outside her apartment building for some air.

He led her to the front door of the apartment building.

I could not remember if I'd ever been in an apartment building before.

First, I had to get through the apartment building front door.

Today, 12 other center patients live in the apartment building.

"Not everyone wants to live on the 15th floor of an apartment building in the city," she said.

More than 200 others also lived in the 13-story apartment building.

The living room had a door which led out to a front hall on the third floor of the small apartment building.

Then he ran down the street to the apartment building next door.

She stopped in front of her apartment building, and looked up.