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The Governments Standard Assessment Procedure (SAP) for assessing the energy performance of dwellings. The indicators of energy performance are energy consumption per unit floor area, an energy costing rating (the SAP Rating), and Environmental Impact rating based on CO2 emissions (The EI rating) and a Dwelling CO2 Emission rate (DER).
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Sadler Energy and Environmental Services Ltd is an independent Consultancy serving Southern England, providing Sustainable Development Advice & Certification Services.
Our aim is to give you impartial and pragmatic advice on all environmental issue regarding Domestic Dwellings, which will enable you to improve performance within the particular constraints of your project.
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Some of the clients we work with...