We are in the process of establishing regular revaluation cycles in the Local Government Finance (Wales) Bill that is currently being scrutinised by the Senedd.
Rydym wrthi'n sefydlu cylchoedd ailbrisio rheolaidd ym Mil Cyllid Llywodraeth Leol (Cymru) y mae'r Senedd yn craffu arno ar hyn o bryd.