[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"atspace-main-nav":3,"blog-post-how-do-you-calculate-the-epc":34,"atspace-footer-navs":333,"blog-active-tags":454,"blog-active-categories":594},[4,14,18,22,26,30],{"id":5,"to":6,"icon":7,"items":8,"label":9,"target":10,"toggle":11,"command":7,"to_page":7,"visible":11,"disabled":8,"is_button":8,"separator":8,"labelAdmin":12,"align_right":8,"logged_in_only":8,"display_variant":13,"not_logged_in_only":8},"e4efaec3-54a9-4eb0-8582-4fd8770e1545","\u002Fservices",null,false,"Services","_self",true,"Internal page link","link",{"id":15,"to":16,"icon":7,"items":8,"label":17,"target":10,"toggle":11,"command":7,"to_page":7,"visible":11,"disabled":8,"is_button":8,"separator":8,"align_right":8,"logged_in_only":8,"display_variant":13,"not_logged_in_only":8},"b361671f-6584-4af5-8fa0-5a26da73684c","\u002Fpartner-with-us","Partner with us",{"id":19,"to":20,"icon":7,"items":8,"label":21,"target":10,"toggle":11,"command":7,"to_page":7,"visible":11,"disabled":8,"is_button":8,"separator":8,"align_right":8,"logged_in_only":8,"display_variant":13,"not_logged_in_only":8},"b36e0f40-bf19-4620-bab9-25d45aefb3be","\u002Fabout","About",{"id":23,"to":24,"icon":7,"items":8,"label":25,"target":10,"toggle":11,"command":7,"to_page":7,"visible":11,"disabled":8,"is_button":8,"separator":8,"align_right":8,"logged_in_only":8,"display_variant":13,"not_logged_in_only":8},"0902954c-7220-4174-a771-dd28ed1e48f1","\u002Fcontact","Contact",{"id":27,"to":28,"icon":7,"items":8,"label":29,"target":10,"toggle":11,"command":7,"to_page":7,"visible":11,"disabled":8,"is_button":8,"separator":8,"align_right":8,"logged_in_only":8,"display_variant":13,"not_logged_in_only":8},"cd688c42-d7c7-4013-a38c-64be3f793377","\u002Fknowledge-hub","Knowledge hub",{"id":31,"to":32,"icon":7,"items":8,"label":33,"target":10,"toggle":11,"command":7,"to_page":7,"visible":11,"disabled":8,"is_button":8,"separator":8,"align_right":8,"logged_in_only":8,"display_variant":13,"not_logged_in_only":8},"d2c943ff-8768-4ef9-88a5-1ae6b912733d","\u002Fcareers","Careers",{"data":35},{"id":36,"user_id":37,"slug":38,"full_url":39,"title":40,"excerpt":7,"featured_image":41,"featured_image_alt":7,"data_model":42,"publish_date":75,"is_template":8,"created_at":76,"updated_at":77,"settings":7,"seometa":78,"categories":91,"tags":92,"theme_styles":98,"page_type":7,"linked_page":7},93,1,"how-do-you-calculate-the-epc","\u002Fblog\u002Fhow-do-you-calculate-the-epc","How Do You Calculate The EPC?","https:\u002F\u002Fatspace-ltd.s3.eu-west-2.amazonaws.com\u002Fblog-imports\u002Fhow20to20claculate20pec.jpg",[43],{"name":44,"id":45,"componentName":46,"bgImage":7,"bgColor":7,"margin":7,"parentAlign":47,"padding":7,"classes":7,"colSpan":7,"cols":48,"colsMD":49,"originalModel":50,"borderWidth":7,"borderColor":7,"borderRadius":7,"sticky":8,"stickyTop":73},"Full Column Block","8d12a5c9-ae42-4781-b9fd-ea8a3fcadfb5","ColContainer","w-full","grid-cols-1","md:grid-cols-12",[51],[52,58],{"classes":53,"customColSpan":8,"id":54,"colSpan":53,"colSpanSM":55,"colSpanMD":56,"colSpanLG":57,"borderWidth":7,"borderColor":7,"borderRadius":7},"col-span-1","ce066293-042a-4bc9-80e4-1ec211cfd698","sm:col-span-12","md:col-span-12","lg:col-span-12",{"name":59,"componentName":46,"nested":11,"cols":48,"colsMD":49,"customColSpan":8,"parentAlign":47,"bgImage":7,"inlineStyles":7,"bgColor":7,"group":60,"margin":7,"padding":7,"classes":7,"colSpan":7,"id":61,"originalModel":62,"borderWidth":7,"borderColor":7,"borderRadius":7,"sticky":8,"stickyTop":73,"containerWidth":74},"Nested Container","main_nested","baf682d2-27d4-478b-9807-2758713d454a",[63],[64,66],{"id":65,"colSpan":53,"colSpanSM":55,"colSpanMD":56,"colSpanLG":57,"customColSpan":8,"bgColor":7,"borderWidth":7,"borderColor":7,"borderRadius":7,"classes":7},"f6fe6f93-fe9b-480d-92bb-9aa23bac22a7",{"name":67,"componentName":68,"group":69,"margin":7,"padding":7,"classes":7,"bgImage":7,"id":70,"originalModel":71},"WYSIWYG Editor","Wysiwyg","content","95f3860c-3e58-43f8-9630-1ddd3883ec4d",{"proseEnabled":11,"content":72},"\u003Cp>This is one of the initial steps for buying or selling a home, examining the property’s EPC. It’s even useful if you’re not planning on a move and want to improve your home's energy performance and save on bills (who doesn’t want to do this?)\u003Cspan data-ccp-props=\"{}\" style=\"color: var(--p-default-colour); font-weight: var(--p-weight); background-color: transparent; font-family: var(--font-copy);\"> \u003C\u002Fspan>\u003Cspan data-contrast=\"auto\">First and foremost, to calculate an Energy Performance Certificate (EPC), you need a qualified assessor to carry out the assessment on your home. They will then look at many key areas of your home that will give them an idea of how much and how energy is used within the property. \u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003C!--more-->\u003Cp style=\"font-weight: normal;\">These areas can include the following: \u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  Checking if the heating and water system is efficient, i.e. boiler make and model\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  Checking there is sufficient insulation in walls, floor and roof\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  What type of glazing are in the windows?\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  Even what light bulbs are fitted\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  How airtight the building is (Not sure how airtight your home is? Did you know ATSPACE provided this service?)\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli> \u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cspan data-contrast=\"auto\">As they progress through the property, they will allocate a score for each section, depending on how efficient and in what condition the areas are in. From this, they will calculate the energy efficiency score, which will provide the EPC rating for the property.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan style=\"font-weight: normal;\">Below is a breakdown of the points system and how each tier is scored:\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  A Rating = 92-100 SAP Point\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  B Rating = 81-91 SAP Points\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  C Rating = 69-80 SAP points\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  D Rating = 55-68 SAP points\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  E Rating = 39-54 SAP points\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  F Rating = 21-38 SAP points\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  G Rating = 1-20 SAP points\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli> \u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cspan data-contrast=\"auto\">Once this process is complete, you will be issued with an Energy Performance Certificate (EPC), which will include both the environmental impact of your property along with its energy efficiency. It will detail specific figures of your property, such as your average fuel costs, CO2 emissions, and a full summary. \u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">It will also provide information on how to improve your score and what measures you can \u003C\u002Fspan>\u003Cspan data-contrast=\"auto\">take to achieve this. \u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp style=\"font-weight: normal;\">This could include things such as: \u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  Upgrading your windows glazing\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  Increasing insulation levels in the walls, floor and roof\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  Improving your water and heating system, such as upgrading your boiler to a more efficient spec\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli> \u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2>\u003Cstrong>\u003Cspan data-contrast=\"auto\">How do you calculate the EPC?\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fh2>\n\u003Cp>\u003Cspan data-contrast=\"auto\">There are two types of EPC and two different ways of calculating one.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  On Construction EPC: produced from a SAP Calculation for new build properties. This is calculated using the Standard Assessment           Procedure method (SAP).\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp style=\"font-weight: bold;\">\u003Cspan style=\"background-color: transparent; color: var(--font-copy-color); font-family: var(--font-copy);\">•  EPC: produced via a site survey by a domestic energy assessor on an existing property. This is calculated using the Reduced Data             Standard Assessment Procedure method (RDSAP).\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli> \u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cspan data-contrast=\"auto\">SAP is a desk top calculation and is carried out from a set of drawings and specifications provided by the client. The SAP calculation for a new build property has two stages: the design stage SAP and the As Built SAP.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">The calculations determine a Target Emissions Rate (TER) and a Target Fabric Energy Efficiency (TFEE) rate. The Dwelling Emissions Rate (DER) and Dwelling Fabric Emissions Rate (DFEE) must be lower than the TER and TFEE to achieve a pass in the SAP calculation.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">The TER and TFER are automatically generated by the SAP software and assume a dwelling with a 25% improvement over building regulation requirements. \u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">The SAP calculation is based on the volume of the property, all the main elements (floors, walls, roof, doors and windows), thermal bridging, insulation, heating and lighting. All of these items are input into the calculation with set standards for the u values or efficiencies.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">The SAP calculation is divided into separate sections for each element. Each element has stand-alone targets, with the individual and total sum creating the final result.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">The As Built SAP is as it sounds and is completed once the property has been built and a final EPC will be produced.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">A domestic energy assessor carries out RDSAP visiting the property and conducting a survey on the property, noting all the information required for the EPC. The information is then input into a software program that will produce the EPC.\u003C\u002Fspan>\u003Cspan data-ccp-props=\"{}\"> \u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan data-contrast=\"auto\">The RDSAP is not as accurate as a SAP, as many assumptions are made within the software. 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