Old is viejo (bee-AY-hoe). New is nuevo -- (new-AY-bo).
¿Es el apartamiento viejo o nuevo?
The expression to say how old you are or a material object is in Spanish is "tener ____ años".If you literally want to translate "years old" into Spanish, this would be "años de vejez", but this is nonsense to any Spanish speaker.
Cuántos años tienes? - How old are you
new
Viejo or antigua
Viejo/a
ancianos
nuevo (masculine), nueva (Feminine)
You say "Ella es vieja"
old house = casa vieja.
'Tengo [number] años.'