* "Walpole" — built by William Doxford & Sons Ltd, Pallion, laid down May 1917, launched 12 February 1918, completed 7 August 1918, mined in North Sea 6 January 1945 and written off as constructive total loss, sold for breaking up 8 February 1945.
* "Walpole"; costruita nei cantieri William Doxford & Sons Ltd di Pallion, impostata nel maggio 1917, varata il 12 febbraio 1918 e completata il 7 agosto seguente.