A method and apparatus for the sterilization of plastics material pre-forms, wherein the plastics material pre-forms are conveyed by a conveying device along a pre-determined conveying path and are sterilized at least for a time during this conveying by being acted upon with a flowable sterilization agent, wherein the plastics material pre-forms are conveyed at least for a time inside a housing. According to the method and apparatus, at least one portion of the housing is heated at least for a time and/or during the sterilization procedure by a heating source independent of the sterilization agent.
