We offer the following services across Northern Ireland: SBEM calculations Sap 2005/2009 calculations (both design and on construction) Air Permeability testing and certification, for both domestic and non-domestic. EPC (Energy Performance Certificates), for both domestic and non-domestic. Code for sustainable Homes In the Republic of Ireland we offer: BER reports and certification Air Permeability testing and certification For all commercial and private dwellings, both new builds and extensions In Great Britain mainland, we offer: SBEM calculations SAP 2009 calculations (both design and on-construction) On construction EPC For all commercial and private dwellings, both new builds and extensions Air Permeability testing and certification, for both domestic and non-domestic is available in Scotland on larger sites.