While the value of homes has increased significantly since then, the system would remain a relative one, so increasing property values would not necessarily lead to increasing council tax.
Er bod gwerth cartrefi wedi cynyddu’n sylweddol ers hynny, byddai’r system yn un gymharol o hyd, felly ni fyddai gwerthoedd eiddo uwch o reidrwydd yn arwain at dreth gyngor uwch.