CERT reports from HEED
The Energy Saving Trust publishes a series of reports based on data in HEED that provides a geographic distribution of professionally installed measures - currently cavity wall and loft insulation - claimed under the Carbon Emissions Reduction Target (CERT) scheme. For more information regarding supplier’s progress towards targets, please refer to the reports published by Ofgem.
Where can I find out more about CERT?
- If you are looking for additional information on the CERT scheme, please refer to the CERT page of the Department of Energy and Climate Change website.
- An extensive set of energy and climate change related statistics are also available via the DECC website.
Download CERT Reports produced from HEED
For essential information regarding these reports, please refer to:
Guidance Notes on CERT Reports from HEED
Quarter 14 Update
- CERT Summary Report (Q14) by English Regions, Scotland and Wales
- CERT Summary Report (Q14) by Local Authority
- CERT Summary Report (Q14) by Constituency
- CERT Summary Graph (Q14) by English Regions, Scotland and Wales
- CERT Summary Graph (Q14) by Local Authority
- CERT Summary Graph (Q14) by Constituency
- CERT Map (Q14) Measures per Home
- CERT Map (Q14) Homes Treated %
- CERT Map (Q14) Cavity Wall Installations %
- CERT Map (Q14) Loft Installations %
Quarter 12 Update
- CERT Summary Report (Q12) by English Regions, Scotland and Wales
- CERT Summary Report (Q12) by Local Authority
- CERT Summary Report (Q12) by Constituency
- CERT Summary Graph (Q12) by English Regions, Scotland and Wales
- CERT Summary Graph (Q12) by Local Authority
- CERT Summary Graph (Q12) by Constituency
- CERT Map (Q12) Measures per Home
- CERT Map (Q12) Homes Treated %
- CERT Map (Q12) Cavity Wall Installations %
- CERT Map (Q12) Loft Installations %
Quarter 8 Update
- CERT report from HEED (Q8) by region
- CERT report from HEED (Q8) by local authority
- CERT report from HEED (Q8) by Parliamentary Constituency
| Completion date | Publish date | Data coverage |
| 31st July 2012 | TBC | Q16 update - Cavity wall and loft insulation measures to 31st March 2012 |



