Bryn Seiont, Fachwen, Caernarfon, Gwynedd, LL55 3HD
Cais i gynyddu maint estyniad a ganiatawyd o dan gais rhif C22/0458/18/DT a gosod system gwresogi adnewyddadwy/ Application to enlarge extension previously granted under application number C22/0458/18/DT and installation of renewable heating system