But campaigners say more needs to be done to ensure the country meets its net zero target and people can afford to heat their homes.
The Energy Company Obligation (ECO) scheme aims to reduce carbon emissions and help people at risk of fuel poverty by making energy firms install heat-saving measures such as insulation and more efficient boilers.
Department for Business, Energy and Industrial Strategy data shows 244 homes in Mid Sussex were fitted with ECO measures in the year to June – 223 more than the previous year.
It means 2,790 households in the area have benefitted from the scheme since it launched in 2013.
Across Great Britain, 2.3 million homes have been fitted with ECO measures over the last eight years.
The most common improvement nationally is cavity wall insulation (30%), followed by the installation of more efficient boilers (23%) and loft insulation (20%).
The ECO scheme, which changed over the years to target different energy efficiency…
