Wales has approximately 180 high-rise residential buildings compared to England's 12,500, representing a significantly lower proportion relative to our respective populations.
Mae gan Gymru oddeutu 180 o adeiladau preswyl uchel iawn o'i gymharu â 12,500 yn Lloegr, sy'n cynrychioli cyfran sylweddol is mewn perthynas â phoblogaeth y ddwy wlad.