In all other cases, the height must not exceed the highest building within the curtilage of the premises or 15 metres, whichever is lower.
Ym mhob achos arall, rhaid i’r adeiladau newydd beidio â bod yn uwch na’r adeilad uchaf o fewn cwrtil y safle neu 15 metr, pa un bynnag sydd isaf.