Mae gan denantiaid cymdeithasau tai ac awdurdodau lleol mewn rhai rhannau o Gymru tan 26 Ionawr i ddefnyddio'r cynllun hawl i brynu a chynlluniau cysylltiedig.
Housing association and local authority tenants in some parts of Wales have until January 26 to use the Right to Buy and associated Schemes after which they will be abolished in Wales.