Welcome to Manx SAP

BRE SAP Engine

This website enables the production of energy performance assessments for domestic buildings as required by the Isle of Man Building Regulations. When provided with details about the dwelling configuration the Calculator will show if the energy performance targets set by the building regulations have been met.

The Manx SAP tool was created by BRE.

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If you have already registered, please log in to access your account.

Otherwise, in order to use Manx SAP users must be registered. To begin the registration process please click here.

If you have any difficulty with the registration process please click here for help. If you have any more general questions about the Manx SAP Calculator please visit the Frequently Asked Questions page in the first instance, or click on the 'Contact us' link at the top of this page if your question is not already answered.