the first floor (in US); the ground floor (in UK) [written and colloquial]

a one woman brothel [written and colloquial]

a one woman brothel vice den [written and colloquial]

a type of brothel where there's only one prostitute operating in one apartment unit (unlike the ones who operate in a shared flat)

Prostitute

Go upstairs

Pentagon

to repay mortgage

apartment building

Tong Lau

as noisy as if a building is being demolish

fall from building

building

airport terminal

(noun) workplace

floors

the signs of important events often come before they are about to happen

photographic studio

(noun) a law firm

to pick a house; to find a house

tower with many antennas or rods; metaphorically refers to a cramped building with many extensions or additions

skyscraper

noun; repossession

the floor above

(noun) lobby (of building)

property prices

title deed

housing slave

buildings

floor (of a building)