Hereditaments can include pylons, telephone boxes, advertising hoardings as well as offices, shops, warehouses, factories, and public buildings like hospitals and schools.
Gall hereditamentau gynnwys peilonau, blychau ffôn, hysbysfyrddau yn ogystal â swyddfeydd, siopau, warysau, ffatrïoedd ac adeiladau cyhoeddus fel ysbytai ac ysgolion.