King Charles has initiated a significant climate-friendly transformation of royal estates, including the installation of solar panels and the conversion of state Bentleys to biofuel, aimed at achieving net-zero emissions. Meanwhile, Historic England has released guidelines for retrofitting historic buildings to enhance their energy efficiency, addressing challenges posed by the UK's aging housing stock. A report by OVO Energy indicates a growing trend among homebuyers, with 66% seeking properties equipped with eco-friendly technologies, spurred by rising energy costs. In Lancashire, the Keld development showcases sustainable Shared Ownership homes designed to minimize energy bills while catering to environmentally conscious buyers. Additionally, Warwick District Council has launched a comprehensive program to reduce energy consumption in public buildings and council housing, focusing on implementing solar energy and energy-efficient lighting. The collective efforts across various sectors highlight a commitment to sustainability and energy efficiency in the UK.