Nant-y-Derry House, Goitre Fawr is a 2-storey, hipped roof, stone house, with a small portico supported on columns. The house is said to have been built from a design by Thomas Henry Wyatt.

Sources: early black and white illustration, undated; Kelly's Directory of Monmouthshire, 1901.

RCAHMW, 21st January 2008.