SAP is used for Domestic property calculations and SBEM/DSM are used for Non Domestic property calculations.
SAP Calculations for Part L Building Regulations Compliance Building or extending domestic property? You need a SAP Calculation for your Bu…
SBEM/DSM Calculations for Part L Building Regulations Compliance Building a new non domestic property? Need to demonstrate compliance with Criteria 1…
and other ‘Notifiable Works’ Extending or altering domestic property? You may need a SAP Calculation for your Bu…