Dechreuodd ymchwiliadau archaeolegol ar y safle yn yr haf er mwyn helpu i lywio'r gwaith cadwraeth, a fydd yn mynd i'r afael ag erydiad naturiol a hindreuliad. Mae hyn yn cynnwys gwaith ymchwil hanesyddol, arolygon, gwaith cofnodi olion yr adeilad yn fanwl a gwaith cloddio i helpu i ddeall natur yr archaeoleg o dan lefel y ddaear.
Archaeological investigations began on site in the summer to help inform the conservation works, which will address natural erosion and weathering. This includes historical research, surveys, detailed recording of the standing remains of the building and excavations to help understand the nature of below ground archaeology.