Real Systems · Real Numbers
Solar PV and battery storage installations documented from first principles — design rationale, system specifications, and measured outcomes.
Dordogne (24) · France
How a 500m² stone farmhouse in central Dordogne was transformed with 12kWp solar, 28kWh LFP storage, wood heating, and MVHR — designed from first principles, not installer sales logic.
Further Dordogne case studies will be published as client engagements complete. Each will be anonymised and published with client consent.
Analysis & Insight
252,000 people left the UK in a single year. The leavers are disproportionately working-age, higher-earning, and not coming back. As the fiscal arithmetic tightens, British homeowners in France face a direct question: how much of your cost of living can you actually control? This analysis works through the numbers — and models the investment case for solar PV across three capital paths.
Read the analysis & model your investmentThe heat pump grant is the largest single measure available under MaPrimeRénov' in 2026 — up to €5,000 for an air-source unit, significantly more for lower income bands. But the grant is only accessible if you start correctly: with an independent heat load study, a compliant dossier, and an RGE-certified contractor who hasn't already sized the system to their preferred equipment range. This piece works through what the process should look like for a large rural stone property in southwest France.
Read the analysis & book an assessment