Guidance
Energy Performance of Buildings Certificates in England and Wales: technical notes
Technical notes to accompany the Energy Performance of Buildings Certificates statistics.
Applies to England and Wales
Documents
Details
These technical notes provide information on:
- official statistics status
- data collection
- methodology
- data quality
- definitions
- revisions policy
- other information
Updates to this page
Published 17 May 2022
Last updated 31 July 2025
show all updates
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Updated section 3.1 to include the new de-duplication step in the data cleaning process.
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Details of new data cleaning methods were provided.
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Added data dictionary and related statistics sections. In line with new Office for Statistics Regulation (OSR) policy, all mentions of 'Experimental Statistics' have been changed to 'Official Statistics in Development'.
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First published.