Improving Standard Assessment Procedure for homes at heat networks that use recovered heat under consultation

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The government is seeking views on proposals to improve the latest Standard Assessment Procedure (SAP) approach to assessing homes connected to heat networks that use recovered heat or Combined Heat and Power.

SAP is used to assess compliance with buildings regulations. It is also the methodology behind Energy Performance Certificates (EPCs), the rating system used to grade the energy efficiency of all homes in the UK.

This consultation sets out proposals to improve the approach of SAP 10 (the latest version of the Standard Assessment Procedure) to assessing:

  • homes connected to heat networks that use recovered heat
  • homes connected to heat networks using Combined Heat and Power (CHP)

The proposals intend to address the risk that SAP does not correctly model or reflect recovered heat sources for heat networks, and to better reflect the ability of heat networks using natural gas CHP units to displace more carbon intensive electricity generation.

The proposals seek to support the development and delivery of heat networks as a key part of decarbonising heat as part of meeting 2050 net zero targets.

This consultation closes at 12pm

More information about this consultation and how to take part is available on the government website.