Green Deal Assessments and Home Insulation Levels in Great Britain

Statistics on Green Deal assessments and installed energy efficiency measures, including loft and cavity wall insulation estimates. The dataset is produced by Cambridgeshire Insight, sourcing data from the UK Department of Energy and Climate Change. The data was last updated in April 2026.

Use Cases

• Analyze trends in Green Deal assessment counts over time.
• Compare the number of homes with loft insulation versus cavity wall insulation.
• Evaluate the adoption rates of different energy efficiency measure types.

Strengths

• Includes estimates for two major insulation types: loft and cavity wall.
• Data is sourced from the authoritative UK Department of Energy and Climate Change.

Limitations

• The total number of rows, columns, and specific sample sizes are unknown.
• Data is provided only in XLS format, which may limit programmatic access.

Provenance

Source

UK Department of Energy and Climate Change, via Cambridgeshire Insight.

Collection Method

Government administrative statistics and survey data.

Freshness

Updated in April 2026.

Geography

Great Britain