National calculation methodology
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SBEM was developed by the Building Research Establishment (BRE) on behalf of the Department for Levelling Up, Housing & Communities (DLUHC), formerly Ministry for Housing, Communities and Local Government (MHCLG) and forms the key element of the NCM.
Approved software for the production of non-domestic Energy Performance Certificates (NDEPC)
The SBEM is defined by a calculation...