Is this based off an SV mindset? There are plenty of homeowners that aren't rich around the country.
Plus less pollution in the air helps the masses too, with fewer health issues and less extreme weather on a long term basis.
But for the working class/lower middle saving up 10k pounds for a deposit is real work.
64% of Americans own the home they live in.
https://en.m.wikipedia.org/wiki/Home-ownership_in_the_United...
When computers were new, only rich organizations like governments, banks, and large corporations could afford them. Now you can buy a raspberry pi for close to nothing.
Adopt the existing, proven and cost-effective implementation of PV (~3’ x ~5’ aluminum framed panels).
Waiting on Elon to figure out boutique solar so the affluent can all install it first and drive mass adoption (decade?) stalls PV development as much as the US tariff on Chinese-made solar!