The increases in residential revenues have largely been driven by increases in property values, and to a lesser extent, by the 1% increase to all higher rate bands introduced from 22 December 2020.
Mae'r cynnydd mewn refeniw preswyl wedi'i ysgogi i raddau helaeth gan gynnydd mewn gwerth eiddo, ac i raddau llai, gan y cynnydd o 1% i'r holl fandiau cyfradd uwch a gyflwynwyd o 22 Rhagfyr 2020.