GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
You are here:
Noun, Plural
Treth ar eiddo annomestig (hy, eiddo nad ydynt yn anheddau) i helpu i dalu am wasanaethau cynghorau lleol.
Mae'r termau ardrethi annomestig / non-domestic rates ac ardrethi busnes / business rates yn gyfystyr.