LED lighting upgrade of existing light fittings and additions to new mezzanine floor. 132no existing 2x58watt fluorescent light fittings were removed from the underneath of the existing ground floor mezzanine floor and replaced with single 40watt LED luminaires. A large percentage of the light fittings installed were emergency type to provide a safe evacuation route if needed. By completing the LED lighting upgrade we have calculated that this would save our client £3,246.67 per year in running costs, equalling a payback period for the project of approximately 4 years. CJ Electrical installed an additional 150no single 40watt LED luminaires to the underneath of the newly erected first floor mezzanine floor, totalling 282no 40watt LED luminaires installed. Henbrandt are now running very efficiently and are maintenance free on 282no LED light fittings which are installed with a 5 year warranty.