Mae Awdurdodau Lleol yn gyfrifol am reoli a gwella eu perfformiad eu hunain. Ar lefel gorfforaethol ac ar lefel gwasanaeth, disgwylir i Awdurdodau Lleol bennu a monitro eu hamcanion ar gyfer gwella, nodi heriau penodol o ran llywodraethu a pherfformiad a bod yn gyfrifol am ymdrin â’r rhain a’u rheoli.
Local Authorities are responsible for managing and improving their own performance.  On both corporate and service levels, Local Authorities are expected to set out and monitor improvement objectives, identify specific governance and performance challenges and take responsibility for addressing and managing these.