A method of selecting a wireless access interface of an infrastructure equipment in a mobile communications network, the mobile communications network including a plurality of infrastructure equipment each providing one or more wireless access interfaces for a communications device, the method comprising selecting, by the communications device, one of the wireless access interfaces of the infrastructure equipment as a serving wireless access interface, wherein one or more of the selected infrastructure equipment or one or more neighbouring infrastructure equipment provide an enhanced wireless access interface providing a facility for transmitting or receiving signals at a lower power relative to a wireless access interface which is not enhanced, and selecting the one of the wireless access interface comprises: generating a signal reception metric for each of the wireless access interfaces provided by the one or more neighbouring infrastructure equipment and for each of the wireless access interfaces provided by the selected infrastructure equipment, wherein the generating the signal reception metric for each of the wireless access interfaces, the enhanced wireless access interface and the serving wireless access interface comprises measuring a signal parameter, which can be either or both of a signal strength or a signal quality, provided from each of the one or more wireless access interfaces provided from the selected infrastructure equipment and the one or more neighbouring infrastructure equipment, and determining for each of the wireless access interfaces, the signal reception metric based on a difference between the measured signal parameter and a predetermined minimum signal parameter level associated with each of the wireless access interfaces, wherein the predetermined minimum signal parameter level for the enhanced wireless access interface is lower than the predetermined minimum signal parameter level for the wireless access interface provided by the selected infrastructure equipment or the one or more neighbouring infrastructure equipment by an amount which is commensurate with an amount by which the enhanced wireless access interface provided by the selected infrastructure equipment or the one or more neighbouring infrastructure equipment transmits or receives the signals at the lower power relative to the wireless access interface provided by the selected infrastructure equipment or the one or more neighbouring infrastructure equipment which is not enhanced, and selecting or reselecting one of the wireless access interfaces provided by the one or more neighbouring infrastructure equipment or one of the wireless access interfaces provided by the selected infrastructure equipment in accordance with predetermined criteria based on the generated signal reception metrics. generating a signal reception metric for each of the wireless access interfaces provided by the one or more neighbouring infrastructure equipment and for each of the wireless access interfaces provided by the selected infrastructure equipment, wherein the generating the signal reception metric for each of the wireless access interfaces, the enhanced wireless access interface and the serving wireless access interface comprises measuring a signal parameter, which can be either or both of a signal strength or a signal quality, provided from each of the one or more wireless access interfaces provided from the selected infrastructure equipment and the one or more neighbouring infrastructure equipment, and determining for each of the wireless access interfaces, the signal reception metric based on a difference between the measured signal parameter and a predetermined minimum signal parameter level associated with each of the wireless access interfaces, wherein the predetermined minimum signal parameter level for the enhanced wireless access interface is lower than the predetermined minimum signal parameter level for the wireless access interface provided by the selected infrastructure equipment or the one or more neighbouring infrastructure equipment by an amount which is commensurate with an amount by which the enhanced wireless access interface provided by the selected infrastructure equipment or the one or more neighbouring infrastructure equipment transmits or receives the signals at the lower power relative to the wireless access interface provided by the selected infrastructure equipment or the one or more neighbouring infrastructure equipment which is not enhanced, and selecting or reselecting one of the wireless access interfaces provided by the one or more neighbouring infrastructure equipment or one of the wireless access interfaces provided by the selected infrastructure equipment in accordance with predetermined criteria based on the generated signal reception metrics.