The values of most properties in respect of which rates are payable to your authority are shown in the local rating list, which is available on the valuation Office Agency website.
Mae gwerth pob eiddo y telir trethi ar eu cyfer i'ch Awdurdod wedi'u nodi yn eich rhestr trethu lleol, y gellir archwilio copi ohono ar wefan y Swyddfa Brisio.