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What are SAP Calculations?SAP stands for ‘Standard Assessment Procedure’ and is the government’s method for calculating the energy performance of dwellings. These calculations are only necessary for residential properties. The calculations determine a Target Emissions Rate (TER) and a Target Fabric Energy Efficiency (TFEE) rate.
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How much is a SAP Calculation?Our fees are typically based upon the size and complexity of a dwelling. We do prefer to offer a bespoke quotation on a job-by-job basis to give you the best price – So get in contact and send us your plans today!
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Can I do a SAP Calculation for conversions myself?SAP Calculations must be carried out by an On Construction Domestic Energy Assessor or OCDEA, working with approved Government program. The Assessor must be certified under one of several accreditation schemes and is regularly audited to keep their certification.
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What is required for a SAP Assessment?Your Assessor would advise you of exactly what is needed. Typically you would need the following: Floor plans, sections & elevations Orientation e.g. site plan Construction specification of walls, roofs and floors Specification for all windows Primary & secondary heating systems Renewable technology (if any)
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What happens if my design fails its SAP Assessment?If your design fails its SAP Assessment, then you will need to revise the design to meet the requirements. Depending on the extent of the changes required, you may need to go through the assessment process again. In some cases, you may need to have additional testing done to verify the design’s performance. The SAP Assessor will provide guidance on the necessary steps to make your design meet the requirements.
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Are SAP Calculations the same as an Energy Performance Certificate?No, SAP Calculations and Energy Performance Certificates (EPCs) are not the same. SAP Calculations are used to determine the energy performance of a building and are used in the UK to comply with Building Regulations. An Energy Performance Certificate is a certificate that shows the energy efficiency of a building and is required when a building is built, sold, or leased. The EPC uses the results of the SAP calculation to give the building a rating from A to G, with A being the most energy efficient and G being the least. The EPC also provides recommendations for improving the energy efficiency of the building.
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