Rallt Goch farm is shown on 1st-4th edition OS mapping as 'Tyddyn-Tudur' and it is shown on the Tithe map. At some time after the 1950's the name changed to Rallt Goch.
The house is single storey stone-built with central chimney, slate roof and rear extension, Partially ruined in 2023.
RCAHMW, 2023.