Insights
Research on commercial rooftop solar
What the public record actually says about commercial roofs in England and Wales: how many carry solar, who controls the decision, and where the value sits. See also our plain-English guides.
The State of UK Commercial Rooftop Solar 2026
Live analysis of commercial rooftop-solar potential across England and Wales, by region and building type, with the MEES gap and a regional league table. Updated as the dataset refreshes.
Living data · updated September 2026
Who Controls the Roof?
Four findings from 133,288 commercial rooftops in England and Wales: how many have no solar, who actually controls the decision, the energy-rating cliff, and why grid capacity is a siting problem rather than a background condition.
White paper · August 2026 · v1.4