The energy performance certificate for Flat 1 Maple Court indicates a total floor area of 519 m2 and provides ratings for energy efficiency and environmental impact based on CO2 emissions. The home is considered very energy efficient with a current energy use of 139 kWh/m2 per year and CO2 emissions of 12 tonnes per year, suggesting lower running costs and environmental impact. It includes high-end features such as bespoke kitchen units and a comprehensive security system, but the document also highlights the importance of checking for updates on energy performance ratings and associated costs.