A recent SBEM update as of the 18th September has resulted in Hevacomp PartL being unable to produce XML files. A grace window, where both existing and new versions of SBEM could be used by energy assessors, was provided for by BRE in every previous…

Changes to the SBEM calculation were recently introduced, mainly to incorporate new constructions from the updated NCM modelling guides. Thus, Energy Performance certificates and Compliance documents must now be generated with: SBEM 5.3.a - for Part…