folder UK Energy Assessors

For UK EPC and Building Regulations compliance version downloads please visit our SBEM approvals page

You must be logged to download the software. If you do not have a login and password, click here to register.

  • For a free evaluation install DesignBuilder then select Help->License... and click the Evaluate button. Enter your contact details and you will be emailed an evaluation code valid for 30 days.
  • If you have a previous version of DesignBuilder installed you must uninstall it from Control Panel -> Add or remove programs before running this download to install the new version.

DesignBuilder v5.0.3.007

Suitable for: EnergyPlus Simulations, Daylighting, CFD and SBEM

DesignBuilder v5.0.2.003

Suitable for: EnergyPlus Simulations, Daylighting, CFD and SBEM

DesignBuilder v4.2.0.054

Suitable for: EnergyPlus Simulations, Daylighting, CFD and SBEM

DesignBuilder v.2.3.6.007

This is the version recommended for UK Part-L work requiring calculations according to Part-L 2006 and Part F Northern Ireland using SBEM 3.5. It is approved by CLG but is out of date for lodging EPCs using the England and Wales Landmark register.

This is also the version required for generating BERs in Republic of Ireland.