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• Notice of Approval of the methodology of calculation of the energy performance of buildings in England and Wales

Planning, building and the environment

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Summary

This is a notice of approval setting out:

• the methodology of calculation of the energy performance of buildings including methods for calculating the asset rating and operational rating of buildings; and
• the ways of expressing the energy performance of buildings as calculated in accordance with the methodology;

that are approved by the Secretary of State for the purposes of regulation 17A of the Building Regulations 2000 as amended.

This document will be updated in the future as methodologies are approved (eg for display energy certificates), new software applications are approved, or the ways of expressing energy performance (eg EPC formats for commercial buildings) are confirmed.

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• Notice of Approval of the methodology of calculation of the energy performance of buildings in England and Wales
  PDF, 143 kb
• Notice of Approval of the methodology of calculation of the energy performance of buildings in England and Wales
  MS Word, 70 kb
• Tables: Approved software applications (SAP 2005) and interfaces (SBEM and DSM)
  MS Excel, 27 kb

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