Welcome to Bristol DEA

Bristol DEA provides Domestic energy and sustainable building assessments and consultancy to industry professionals, landlords and homeowners.
Our services include SAP Calcs Part L1a & L1b compliance, EPC s, OC EPC s, Code for sustainable homes assessment, Air tightness testing and consultancy.

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News

SAP 2009 NHER Preview version 1.1.

Bristol DEA is familiarizing itself with the NHER, SAP 2009...

Code for Sustainable Homes and Water Efficiency

House builders are required to rate all new homes against...
Act on CO2