3 Efail Castell, Rhiwlas, Bangor, Gwynedd, LL57 4EE
Codi'r grib y to 750mm gan ychwanegu ddormer ar ongl. Addasu hen estyniad cefn a chynyddu gofod y porth o flaen y tŷ. Raising of the roof ridge by 750mm with addition of a pitched dormer. Modification of old rear extensions and increase in the porch space at the front of the house.