Llys Ifor, 15 Newton Street, Llanberis, Caernarfon, Gwynedd, LL55 4HN
Codi estyniad llawr cyntaf yng nghefn yr eiddo ar gyfer ystafell ymolchi, ynghyd a gosod pwmp gwres ffynhonnell aer a phaneli PV ar y to. Erection of a first floor extension at the rear of the property for a bathroom, together with the installation of an air source heat pump and PV panels on the roof.