 The ship was originally ordered from Harland and Wolff of Belfast on 11 May 1943 as the "Loch Lubnaig", and laid down on 8 February 1944 as Admiralty Job Number J3932.However the contract was changed on 5 October 1944, and the ship was completed to a revised design as a Bay-class anti-aircraft frigate, launched on 16 December 1944, and completed on 30 July 1945 with the pennant number K633.