Hereditamentau â phrisiad dros £50,000.Hereditamentau nad ydynt yn rhesymol hygyrch i aelodau o'r cyhoedd sy'n ymweld â nhw.Hereditamentau sydd mewn parciau manwerthu neu ystadau diwydiannol y tu allan i'r dref.Hereditamentau gwag.Hereditamentau sy'n cael rhyddhad ardrethi elusennol gorfodol.
Hereditaments with a valuation of more than £50,000.Hereditaments not reasonably accessible to visiting members of the public.Hereditaments that are in out-of-town retail parks or industrial estates.Hereditaments that are not occupied.Hereditaments that are in receipt of mandatory charitable rates relief.