A leaflet from Lewisham council was the incentive Wendy Lewis needed to take the green plunge. It offered residents the chance to buy solar panels more affordably through a collective scheme, Solar Together.
Installers, they were promised, were rigorously vetted by Solar Together, removing the need to shop around for quotes. Across London, councils have been offering householders the same opportunity, backed by London mayor Sadiq Khan. Local authorities in other regions have also signed up.
