Any additional homes will have to adhere to planning and local development plan allocations to ensure developments are built with cohesive communities in mind.
Bydd yn rhaid i unrhyw gartrefi ychwanegol gadw at ddyraniadau cynllunio a chynlluniau datblygu lleol i sicrhau bod datblygiadau'n cael eu hadeiladu gyda chymunedau cydlynus mewn golwg.