Any changes to Habitat areas within a Designated Site may not be accepted due to the potential ecological significance, biodiversity, cultural heritage, and/or scientific value.
Yn sgil hynny, bydd angen caniatâd adeilad rhestredig i ddymchwel neu newid yr adeilad, neu i’w estyn mewn modd a allai effeithio ar ei gymeriad fel adeilad o ddiddordeb pensaerniol neu hanesyddol.