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domestic energy assessments,energy performance assessment,building energy assessment,commercial energy assessor,commercial epc,on construction energy assessor,on construction epc,sap calculations,sap2005,SBEM calculations,SCC Gecko,Gecko,SCCG,Milton Keynes,Elmhurst,ECMK,stroma,UK green building council,MK,NN,OX,LU Energy Performance Certificates SAP Calculations and EPC’s T he Standard Assessment Procedure (SAP), used by the government to determine the energy efficiency of a dwelling. Ratings range from 1 to 100 and the higher the SAP score, the more energy efficient the property.The Department for Communities and Local Government (CLG) has confirmed that from the 6th April 2008 ‘new build’ dwellings will need an Energy performance Certificate (EPC) based on full SAP2005. These EPC’ s must be prepared by energy assessor accredited for ‘Newly Constructed Dwellings’ (Accredited SAP Assessors) who have demonstrated expertise in full SAP2005 assessment to join an approved accreditation scheme. SAP ratings are based on the energy costs for space and water heating. The SAP rating is a legal requirement enforced by the government through building control to be applied to all new dwellings. The assessment method SAP also establishes the domestic route of compliancy for the Approved Document Part L, the Conservation of Fuel and Power. Commercial Energy Assessments The Simplified Building Energy Model (SBEM) is a calculation method applied to determine the rating of existing and new Commercial Buildings. SBEM has been developed by BRE, for Communities and Local Government (CLG). This model demonstrates compliance with the requirements of Part L2 of the Building Regulations for new and refurbished commercial buildings. The timetable for implementation of non-domestic EPC's is as follows: · April 6th 2008 - non-dwellings > 10,000 m2 require an EPC at the point of sale or rent · July 1st 2008 - non-dwellings > 2,500 m2 require an EPC at the point of sale or rent · October 1st 2008 - non-dwellings > 50 m2 require an EPC at the point of sale or rent All EPC’s must be prepared by energy assessor of an appropriate accreditation level, which is dependent on the complexity and the services of the particular structure. · Level 3 – New and existing non-dwellings, with simple building services · Level 4 - New and existing non-dwellings, with more complex building services. · Level 5 - New and existing non-dwellings, very complex structures, typically these are buildings with extremely complex services. EPC’s in simple terms are visual representation the energy costs for the lighting, ventilation, space heating and thermal performance of the fabric elements. Also taken into consideration within the calculations and modelling, are the activities that are conducted within the different zones of the structure.
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