Domestic heating is currently responsible for around 18% of UK carbon emissions, so building homes with electric rather than gas heating is a vital move towards ensuring a sustainable future. To build on the current figure – with nearly 16% of new houses and 33% of all homes, including flats, having electric heating – the previous government proposed regulation in the form of the Future Homes Standard to mandate heat pumps, and perhaps solar photovoltaics, in new-build homes in England and Wales.