Mae ardrethi annomestig yn rhan annatod o system gyllid llywodraeth leol yng Nghymru, gan gyfrannu dros £1 biliwn y flwyddyn tuag at gost gwasanaethau lleol hanfodol. Mae’r holl refeniw sy’n cael ei godi’n cael ei rannu’n llawn i gefnogi gwasanaethau llywodraeth leol a’r heddlu – gwasanaethau yr ydym i gyd yn elwa arnynt.
Non-domestic rates are an integral part of the local government funding system in Wales, providing over £1 billion each year towards the costs of vital local services.  All the revenue raised is distributed in full to support local government and police services – services we all benefit from.