Dyffryn Mymbyr house and garden. Rectangular structure constructed of large stone blocks with a slate roof and slate shingles on the western gable. Row of small sheds to the north. Terraced garden to the south. Lower paddock enclosed by a dry stone wall beyond the terrace to the south and to the east. Evident on AD 1890-91 Ordnance Survey map. K. Laws, Engineering Archaeology Services, 6th February 2005.