Maen nhw'n aml wedyn yn teimlo'n rhwystredig iawn pan fyddan nhw'n clywed cynghorwyr ar y pwyllgor cynllunio a Gweinidogion yn dweud na allant wneud sylwadau ynglŷn â phenderfyniad cynllunio.
They often then feel very frustrated when they hear councillors on the planning committee and Ministers saying that they can't make comment with regard to a planning decision.
C1