GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
Context: adeilad afraid (o fewn ystyr Mesur Cenhadaeth a Bugeiliol 2011) neu ran o adeilad o’r fath pan fydd yn cael ei ddymchwel yn unol â chynllun bugeiliol neu afreidrwydd (o fewn ystyr y Mesur hwnnw).