Tenement

[Sarah]

That which is held of another by service; property which oneholds of a lord or proprietor in consideration of some military orpecuniary service; fief; fee.

[Cami]

(especially in Scotland or the US) a room or a set of rooms forming a separate residence within a house or block of flats.

[Mary Mallozziberg]

A room or a set of rooms forming a separate residence within a house or block of apartments.