Rothesay was  long overall and  between perpendiculars, with a beam of  and a draught of . The Rothesays were powered by the same Y-100 machinery used by the Whitby class.
Rothesay was long overall and wide between perpendiculars, with a beam of  and a draught of . The Rothesays were powered by the same Y-100 machinery used by the Whitby class.