Sap Calculator 3.21 is a comprehensive program for assessing heat loss in domestic buildings. The program is be used at the design stage to demonstrate compliance with the energy conservation requirements of Building Regulations Approved Document L1A 2006 and Technical Standards Section 6.

Sap Calculator 3.21 has been approved by the BRE on behalf of DEFRA for SAP calculations in compliance with the SAP 2005 specification. The approval covers use in England, Wales and Scotland.

• BRE approved SAP calculations. See BRE projects page for more information
• Step by step compliance checking for ease of use. Produce results without training
• Integrated SEDBUK boiler database automatic updates via the web
• Sap, DER and Target emissions calculations
• Includes Approved Document L1A and SAP 2005 Specification help
• Duplicate projects for quick and easy calculations for similar projects this is a great timesaver
• Contact database to hold building control addresses
• Import and export your files
• Apple OSX and Windows 2000 or XP
• Generation of Energy Performance Certificates (Scotland)
• Simplified method (Scotland)
  

• Free version to check compliance with part L1 includes the Building Regulations database.
• SAP Designer version as above but including production of sap reports for submission to building control. Just £85 per year.
• SAP Energy Performance Certificates for use with NAPIT www.napit.org.uk