Household Energy Efficiency statistics methodology note
Methodology note and background quality report accompanying statistical releases on Household Energy Efficiency Statistics.
Applies to England, Scotland and Wales
Documents
Details
The methodology note summarises the methodology used to produce estimates of various elements of the Energy Company Obligation (ECO), Domestic Green Deal (GD) and levels of insulation in Great Britain. It is intended to help users understand the assumptions made in the compilation of these statistics and some of the limitations of the data sources.
The background quality report summarises the quality assurance relating to statistics on ECO, GD and insulation levels in Great Britain.
Updates to this page
Last updated 27
-
Updated methodology note published.
Update history
2026-02-26 09:30
Updated methodology note published.
2025-08-28 09:30
Updated methodology note and background quality report published.
2025-05-29 09:30
Updated methodology note and background quality report published.
2025-03-27 09:30
Published the updated Household Energy Efficiency statistics methodology note and background quality report for March 2025.
2025-02-27 09:30
Updated methodology note published.
2024-08-29 09:30
Updated methodology note and background quality report published.
2024-03-28 09:30
Updated methodology note and background quality report published.
2023-08-24 09:30
Updated methodology note and background quality report published.
2023-05-25 09:30
Updated methodology note and background quality report published.
2022-08-25 09:30
Updated methodology note and background quality report published.
2022-05-26 09:30
Updated methodology note and background quality report published.
2022-03-24 09:30
Updated methodology note and background quality report published.
2022-02-24 09:30
Updated methodology note and background quality report published.