Larger properties with rateable values over £100,000 could be charged slightly more, but some public buildings like hospitals and schools would be protected.
Gellid codi ychydig rhagor ar eiddo mwy o faint sydd â gwerthoedd ardrethol o dros £100,000 , ond byddai rhai adeiladau cyhoeddus fel ysbytai ac ysgolion yn cael eu diogelu.