The chapel of Our Lady and St Non perches no more than a few yards above the steep cliffs and clear waters of the bay. Rising beyond a  bank dotted with the brilliant spires of foxgloves, it was a welcome sight on a damp morning. It is a place I have wanted to visit for a long time, though the building itself is less that a hundred years old. The tiny chapel, just twenty-five feet long and twelve feet wide, was built in 1934 by Cecil Morgan-Griffiths. He had built a house on the cliff top, close to a far more ancient site that has long been revered as a holy place and, as the nearest Catholic Church was many miles away, he built the little chapel that would become the most westerly in Wales.

Morgan-Griffiths used stones and fragments of architectural beauty from ruined chapels in order to build…