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Drone Data Challenges Retrofit’s Performance Gap

06/05/2026

When Peabody and Kestrix independently verified retrofit outcomes using drone thermography, the findings exposed the limitations of modelled data and raised fundamental questions about how the sector measures what it pays for.

At a glance 

  • Government is committing more than £2 billion over five years to social housing retrofit, yet independent outcome verification remains rare. 

  • Independent drone thermography confirmed savings of approximately £520 per home annually and a carbon reduction of around 1.3 tonnes per year. 

  • Thermal bridging was identified at 45% of scanned properties, issues absent from EPC data and outside the retrofit scope. 

Tags

Retrofit Society 2.0 Thermal Comfort Data Metrics

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