 "Brighton" was laid down at Yarrows' Scotstoun, Glasgow shipyard on 23 July 1957, was launched on 31 October 1959 and was completed on 28 September 1961, commissioning with the pennant number F106.From August 1968 to 18 February 1972 "Brighton" underwent a major modernisation, which brought the ship close in capability to the "Leander"-class.A hangar and flight deck was added aft to allow a Westland Wasp helicopter to be operated, at the expense of one of the Limbo anti-submarine mortars, while a Seacat launcher and the associated GWS20 director was mounted on the hangar roof.