The Bangor class was designed as a small minesweeper that could be easily built in large numbers by civilian shipyards; as steam turbines were difficult to manufacture, the ships were designed to accept a wide variety of engines. Lyme Regis displaced at standard load and at deep load. The ship had an overall length of , a beam of and a draught of .Lenton, pp. 253–54 The ship's complement consisted of 60 officers and ratings.Chesneau, p. 64
