Billy Fish
Striker
That's already being sorted with.new regs requiring all new houses to net zero carbon (in operation) ready by 2025. Exactly how they do that will be up to the developers although it's likely to be by air source and PV rather than ground source heat pumps.Every new house should be fitted with a ground or air source heat pump and solar panels by law.
Vaillant are already building a new facility to churn out air source heat pumps as gas boilers are phased out.