UK Energy Assessors
For UK EPC and Building Regulations compliance version downloads please visit our Certification UK and Ireland Approved 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.