4, Fron Ogwen, Tregarth, Bangor, Gwynedd, LL57 4NP
Adeiladu ystafell ardd yng nghefn y tŷ yn cynnwys ystafell ymolchi a chegin fach i'w defnyddio fel rhan atodol i'r tŷ annedd Building of a garden room to the rear of the dwelling containing a bathroom and kitchenette to be used as incidental to the dwelling house