UK Energy Assessors

For UK EPC and Building Regulations compliance information please visit our Certification UK and Ireland Approved Versions page

The downloads listed on this page provide the latest interfaces to all UK NCMs and Ireland NEAPs. If you require a previous interface for an existing Building Regulation calculation, please check the Previous Versions page.

You must be logged in 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 v7.2.0.032

Current approved release for SBEM/DSM v6.1e.

For use on England, Scotland, and Wales Part-L, EPCs, Section 63 and Part O Overheating simulations.

Important note: You must check the Approved Versions page before using DesignBuilder for Certification purposes.

DesignBuilder v6.1.9.000

Current release for SBEMie v5.6a (Ireland)

Important note: You must check the Approved Versions page before using DesignBuilder for Certification purposes.

DesignBuilder v6.1.8.021

Download (485 MB)

DesignBuilder-6.1.8.021.msi

Current release for: SBEM/DSM (SBEM v5.6b).

Important note: You must check the Approved Versions page before using DesignBuilder for Certification purposes.

DesignBuilder v4.2.0.054

Download (196.79 MB)

SetupDB420054.exe

Suitable for: EnergyPlus Simulations, Daylighting, CFD and SBEM

Important note: You must check the Approved Versions page before using DesignBuilder for Certification purposes.

DesignBuilder v.2.3.6.007

Download (86.42 MB)

SetupDB236007.exe

This is the version recommended for UK Part-L work requiring calculations according to UK 2006 and Ireland 2008 Building Regulations using SBEM 3.5. It is approved by CLG but is out of date for lodging EPCs using the England and Wales Landmark register.

Customers in ROI and NI running v2.3.6.007 should contact DesignBuilder Support to obtain a licence for their approved version and a patch to install.

Important note: You must check the Approved Versions page before using DesignBuilder for Certification purposes.

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