Details of updated methods to calculate the CO2 emissions and energy performance of new buildings.
Documents
![](/sites/default/files/styles/file_thumb/public/publication-doc-thumbnails/Calculation_of_buildings__energy_performance_and_new_approved_documents__WG_013_2014_.jpg?itok=_Bg8lKqL)
Calculation of buildings' energy performance and new approved documents (WG 013/2014) , file type: PDF, file size: 627 KB
PDF
627 KB
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.
![](/sites/default/files/styles/file_thumb/public/publication-doc-thumbnails/Notice_of_approval_0.jpg?itok=j48QGr4O)
Notice of approval , file type: PDF, file size: 731 KB
PDF
731 KB
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.