There's no question that we must decarbonise our housing stock. But we believe there must be a comprehensive approach to demanding the reduction in the first place, and not just a focus on low carbon heating sources. As part of this approach, retrofit can deliver so many other benefits besides more efficient buildings. Healthier places for communities to thrive? Why wouldn't we want to do that?
https://publications.parliament.uk/pa/cm5802/cmselect/cmbeis/1038/report.html