A sub-rectangular structure marked by an outline of stones at ground level approximately 1.5m wide. It measures 6m E-W x 4.5m, and appears to be open on the N side, facing a hut circle (NPRN536618). Part of hut circle settlement (NPRN 303058).
J Latham, An archaeological survey of the Gamallt Estate, 1984, site GAM 5.
Recorded as part of RCAHMW Uplands Initiative Project, W B Horton, H & H, 11/12/2013.