This invention relates to an electrically controlled lock assembly (1) including a housing (10) and a retainer (6) mounted on the housing for movement relative thereto between an open and closed position. The lock assembly also includes locking means (12) including a detent (21) that when retained in an active position stops the retainer from moving relative to the housing. The lock assembly also includes an electrical actuator (14) being operable to cause the (10) retaining means to adopt a locked or released condition.