An LED based illumination device, comprising: an LED based light engine configured to emit an amount of light in response to an electrical current received by the LED based light engine; a light control and communications gateway, LCCG, electrically coupled to the LED based light engine, the LCCG comprising: an LED driver configured to receive an amount of electrical power and a light control command and generate the electrical current in response to the light control command; a lighting control network interface communicatively coupled to a lighting control network, wherein the lighting control network interface receives identification data and operational data associated with a plurality of separate LED based illumination devices (100B, 100C) communicatively coupled to the lighting control network; a building management network interface communicatively coupled to a building management network; and a memory configured to store the identification data and operational data associated with the LED based illumination device and the operational data associated with each of the plurality of separate LED based illumination devices (100B, 100C) communicatively coupled to the lighting control network, wherein at least a portion of the operational data or status information for the LED based illumination device and each of the plurality of separate LED based illumination devices (100B, 100C) determined from the operational data is communicated from the LCCG over the building management network interface to a building management system communicatively coupled to the LCCG over the building management network, characterised in that the light control command is received on the lighting control network interface for communication to the LED driver. an LED based light engine configured to emit an amount of light in response to an electrical current received by the LED based light engine; a light control and communications gateway, LCCG, electrically coupled to the LED based light engine, the LCCG comprising: an LED driver configured to receive an amount of electrical power and a light control command and generate the electrical current in response to the light control command; a lighting control network interface communicatively coupled to a lighting control network, wherein the lighting control network interface receives identification data and operational data associated with a plurality of separate LED based illumination devices (100B, 100C) communicatively coupled to the lighting control network; a building management network interface communicatively coupled to a building management network; and a memory configured to store the identification data and operational data associated with the LED based illumination device and the operational data associated with each of the plurality of separate LED based illumination devices (100B, 100C) communicatively coupled to the lighting control network, wherein at least a portion of the operational data or status information for the LED based illumination device and each of the plurality of separate LED based illumination devices (100B, 100C) determined from the operational data is communicated from the LCCG over the building management network interface to a building management system communicatively coupled to the LCCG over the building management network, an LED driver configured to receive an amount of electrical power and a light control command and generate the electrical current in response to the light control command; a lighting control network interface communicatively coupled to a lighting control network, wherein the lighting control network interface receives identification data and operational data associated with a plurality of separate LED based illumination devices (100B, 100C) communicatively coupled to the lighting control network; the lighting control network interface receives identification data and operational data associated with a plurality of separate LED based illumination devices (100B, 100C) communicatively coupled to the lighting control network; a building management network interface communicatively coupled to a building management network; and a memory configured to store the identification data and operational data associated with the LED based illumination device and the operational data associated with each of the plurality of separate LED based illumination devices (100B, 100C) communicatively coupled to the lighting control network, wherein at least a portion of the operational data or status information for the LED based illumination device and each of the plurality of separate LED based illumination devices (100B, 100C) determined from the operational data is communicated from the LCCG over the building management network interface to a building management system communicatively coupled to the LCCG over the building management network,