Free Boiler Grant Cardiff — ECO4 Scheme Wales 2026
Cardiff residents on qualifying benefits may be eligible for a completely free boiler replacement under the Government's ECO4 scheme. The ECO4 scheme covers Wales as well as England, and Cardiff has thousands of eligible households.
Cardiff has a diverse housing stock including many older terraced properties in areas like Adamsdown, Butetown, Grangetown, and Roath. Many of these properties have EPC ratings of D or below and are heated by ageing gas boilers. The ECO4 scheme provides free boiler replacements for eligible Cardiff households.
Our approved installers cover all Cardiff postcodes including CF10 through CF24, serving areas such as Adamsdown, Birchgrove, Butetown, Canton, Cathays, Cyncoed, Ely, Fairwater, Gabalfa, Grangetown, Heath, Llandaff, Llanishen, Pentwyn, Pontprennau, Rhiwbina, Roath, Rumney, Splott, and Whitchurch.
Government boiler grant Cardiff: eligibility
Cardiff households seeking government boiler-grant information should note that ECO4 is an energy-efficiency obligation administered by Ofgem. Support depends on the household route, property assessment and supplier decision; it is not a council-administered automatic grant.
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