Light Emitting Diodes (LEDs) are well documented for their energy efficiency and usage diversity, but their poor colour rendering and colour temperature has slowed their adoption for domestic use. Expensive per unit in comparison to traditional light sources, they nonetheless dominate the research and development labs of some of the world's leading lighting manufacturers. This research project explores what it is that has got the lighting industry so excited about this technology that was discovered almost 90 years ago, whether consumers will share their enthusiasm and aims to establish the extent to which LEDs have revolutionised the lighting industry. The author sourced reliable data from LED manufacturers and energy efficiency regulators, using lighting-specific magazine articles to ensure that all data used is current at the time of writing. Once a statistical comparative is formed, the opinions of lighting industry experts are considered and compared, and drawn on to form a conclusion.