Buying a newly built house will cheer you up.
I don't want to live anywhere other than a new apartment building.
I’m sad. My husband left me even though we just bought a newly built house. I need someone to talk to.
Something that's newly constructed is something that's newly built.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.