Rowland Lee, Lord President of the Marches, wrote to Thomas Cromwell that William Vaughan was “a man to be cherished”.

[2] Sir William began building at the end of the 15th, or the early 16th centuries, and a contemporary account records the gatehouse forming the entrance to a "a strong wall-embatteled" enclosure.

[4] The farmhouse also dates from this time, although reconstruction took place in the later Tudor era, including the addition of a two-storey porch.

[5] Robert Scourfield and Richard Haslam, in their 2013 volume, Powys, of the Buildings of Wales series, note that much of the Porthamel enclosure had been destroyed by the 19th century.

[1] The farm at Porthamel is the site of an anaerobic digester,[6][7] following a controversial, but successful, planning application in the early 21st century, which saw the development opposed by the Brecon Beacons National Park authority.